MPC observations statistics

UNNOBS - Observations of unnumbered minor planets

Sorted by number of observed objects

The statistics were made with a self-developed program by Jost Jahn, Amrum, Germany, itfstat@jostjahn.de.

They will be updated some days after publication of new files by the MPC, mostly each 2 months or so.
Date of this file is 04-07-2025

Number of objects of top 15 stations at Minor Planet Center for UNNOBS class
Number of objects of top 15 stations at Minor Planet Center for UNNOBS class
Rank Station Observations Objects Observation per object Years of observation Years Station name
No. Code Number Number   Range span  
1 F51 10845116 608042 17.84 2008 – 2025 18 Pan-STARRS 1, Haleakala
2 G96 7227277 521112 13.87 2004 – 2025 22 Mt. Lemmon Survey
3 F52 4515229 457346 9.87 2015 – 2025 11 Pan-STARRS 2, Haleakala
4 691 788364 158229 4.98 1985 – 2025 41 Steward Observatory, Kitt Peak-Spacewatch
5 W84 1714740 121956 14.06 2012 – 2025 14 Cerro Tololo-DECam
6 V00 573078 116664 4.91 2016 – 2025 10 Kitt Peak-Bok
7 D29 295709 55859 5.29 2006 – 2025 20 Purple Mountain Observatory, XuYi Station
8 T09 327318 40404 8.10 2002 – 2025 24 Subaru Telescope, Maunakea
9 703 282394 34958 8.08 1998 – 2025 28 Catalina Sky Survey
10 291 153916 33822 4.55 2001 – 2025 25 LPL/Spacewatch II
11 O18 170650 31388 5.44 2023 – 2025 3 WFST, Lenghu
12 807 135072 27601 4.89 1988 – 2025 38 Cerro Tololo Observatory, La Serena
13 568 149289 22143 6.74 1989 – 2023 35 Maunakea
14 I41 230134 22055 10.43 2002 – 2025 24 Palomar Mountain--ZTF
15 H21 158594 21880 7.25 2009 – 2025 17 Astronomical Research Observatory, Westfield
16 I52 192689 21814 8.83 2012 – 2025 14 Steward Observatory, Mt. Lemmon Station
17 C51 233720 20865 11.20 2010 – 2024 15 WISE
18 695 61688 19385 3.18 1990 – 2025 36 Kitt Peak
19 645 44525 14978 2.97 1998 – 2009 12 Apache Point-Sloan Digital Sky Survey
20 J04 39463 11840 3.33 2009 – 2025 17 ESA Optical Ground Station, Tenerife
21 G45 122681 9993 12.28 2012 – 2017 6 Space Surveillance Telescope, Atom Site
22 309 96968 9934 9.76 2000 – 2025 26 Cerro Paranal
23 033 55849 8736 6.39 1960 – 2025 66 Karl Schwarzschild Observatory, Tautenburg
24 204 27112 8524 3.18 2002 – 2025 24 Schiaparelli Observatory
25 J95 38302 8465 4.52 2002 – 2025 24 Great Shefford
26 L01 35449 8236 4.30 2017 – 2025 9 Visnjan Observatory, Tican
27 644 44208 7805 5.66 2001 – 2007 7 Palomar Mountain/NEAT
28 J43 39412 7612 5.18 2011 – 2025 15 Oukaimeden Observatory, Marrakech
29 H01 36637 7361 4.98 2007 – 2025 19 Magdalena Ridge Observatory, Socorro
30 704 78340 7319 10.70 1981 – 2013 33 Lincoln Laboratory ETS, New Mexico
31 926 43796 6837 6.41 2000 – 2018 19 Tenagra II Observatory, Nogales
32 474 38930 6453 6.03 1985 – 2025 41 Mount John Observatory, Lake Tekapo
33 V06 30228 6105 4.95 2017 – 2025 9 Catalina Sky Survey-Kuiper
34 T08 62616 5692 11.00 2017 – 2025 9 ATLAS-MLO, Mauna Loa
35 T05 59986 5364 11.18 2015 – 2025 11 ATLAS-HKO, Haleakala
36 H36 19449 5352 3.63 2003 – 2025 23 Sandlot Observatory, Scranton
37 P07 40166 4730 8.49 2020 – 2024 5 Space Surveillance Telescope, HEH Station
38 W94 16757 4655 3.60 2016 – 2025 10 MAP, San Pedro de Atacama
39 I93 14389 4577 3.14 2010 – 2025 16 St Pardon de Conques
40 T12 14026 4090 3.43 2000 – 2025 26 University of Hawaii 88-inch telescope, Maunakea
41 095 9003 4025 2.24 1964 – 2025 62 Crimea-Nauchnyi
42 104 11774 3772 3.12 1995 – 2025 31 San Marcello Pistoiese
43 W16 13376 3758 3.56 2019 – 2025 7 Pleasant Groves Observatory
44 705 18046 3337 5.41 1998 – 2024 27 Apache Point
45 246 29147 3281 8.88 2002 – 2025 24 Klet Observatory-KLENOT
46 950 16157 3216 5.02 1995 – 2024 30 La Palma
47 595 9322 3033 3.07 1995 – 2025 31 Farra d'Isonzo
48 G37 9037 3019 2.99 2012 – 2025 14 Lowell Discovery Telescope
49 E12 18901 2931 6.45 2003 – 2013 11 Siding Spring Survey
50 C95 10134 2618 3.87 2012 – 2024 13 SATINO Remote Observatory, Haute Provence
51 958 8550 2572 3.32 1998 – 2025 28 Observatoire de Dax
52 734 10204 2493 4.09 1998 – 2025 28 Farpoint Observatory, Eskridge
53 K88 14301 2473 5.78 2016 – 2025 10 GINOP-KHK, Piszkesteto
54 699 12644 2447 5.17 1998 – 2009 12 Lowell Observatory-LONEOS
55 858 7635 2346 3.25 2000 – 2025 26 Tebbutt Observatory, Edgewood
56 Z84 8852 2341 3.78 2015 – 2025 11 Calar Alto-Schmidt
57 711 8484 2106 4.03 1950 – 2021 72 McDonald Observatory, Fort Davis
58 H15 7806 1951 4.00 2010 – 2018 9 ISON-NM Observatory, Mayhill
59 J75 8432 1917 4.40 2006 – 2014 9 OAM Observatory, La Sagra
60 673 7768 1903 4.08 1996 – 2025 30 Table Mountain Observatory, Wrightwood
61 461 9727 1880 5.17 1998 – 2018 21 University of Szeged, Piszkesteto Stn. (Konkoly)
62 809 9769 1846 5.29 1974 – 2023 50 European Southern Observatory, La Silla
63 W68 20169 1829 11.03 2022 – 2025 4 ATLAS Chile, Rio Hurtado
64 Z80 10725 1815 5.91 2015 – 2025 11 Northolt Branch Observatory
65 A17 7488 1792 4.18 2003 – 2024 22 Guidestar Observatory, Weinheim
66 448 8252 1663 4.96 2001 – 2016 16 Desert Moon Observatory, Las Cruces
67 T14 6040 1591 3.80 2000 – 2025 26 Canada-France-Hawaii Telescope, Maunakea
68 160 13594 1578 8.61 2002 – 2025 24 Castelmartini
69 046 8625 1569 5.50 1978 – 2023 46 Klet Observatory, Ceske Budejovice
70 K87 10377 1538 6.75 2017 – 2025 9 Dettelbach Vineyard Observatory
71 587 4808 1513 3.18 1993 – 2025 33 Sormano
72 M22 14245 1473 9.67 2022 – 2025 4 ATLAS South Africa, Sutherland
73 K19 5433 1466 3.71 2015 – 2025 11 PASTIS Observatory, Banon
74 654 5615 1445 3.89 2015 – 2024 10 Table Mountain Observatory, Wrightwood-PHMC
75 G36 12742 1441 8.84 2011 – 2023 13 Calar Alto-CASADO
76 H55 13456 1364 9.87 2004 – 2009 6 Astronomical Research Observatory, Charleston
77 K74 7847 1358 5.78 2016 – 2025 10 Muensterschwarzach Observatory, Schwarzach
78 203 3767 1355 2.78 2001 – 2025 25 GiaGa Observatory
79 H45 28513 1329 21.45 2005 – 2023 19 Arkansas Sky Obs., Petit Jean Mountain South
80 Q62 7498 1319 5.68 2013 – 2025 13 iTelescope Observatory, Siding Spring
81 300 7567 1316 5.75 2000 – 2017 18 Bisei Spaceguard Center-BATTeRS
82 854 3810 1264 3.01 2000 – 2013 14 Sabino Canyon Observatory, Tucson
83 621 5530 1232 4.49 1997 – 2019 23 Bergisch Gladbach
84 106 5331 1212 4.40 1998 – 2025 28 Crni Vrh
85 L04 4168 1174 3.55 2013 – 2025 13 ROASTERR-1 Observatory, Cluj-Napoca
86 Y00 5126 1087 4.72 2013 – 2023 11 SONEAR Observatory, Oliveira
87 130 3610 1065 3.39 2002 – 2025 24 Lumezzane
88 N87 3663 1056 3.47 2013 – 2025 13 Nanshan Station, Xinjiang Observatory
89 K63 3397 1053 3.23 2015 – 2024 10 G. Pascoli Observatory, Barga (before June 2023)
90 U52 6308 1010 6.25 2021 – 2025 5 Shasta Valley Observatory, Grenada
91 E23 3526 987 3.57 2010 – 2025 16 Arcadia
92 H06 4179 984 4.25 2003 – 2023 21 iTelescope Observatory, Mayhill
93 608 3877 970 4.00 1995 – 2006 12 Haleakala-AMOS
94 F65 5037 952 5.29 2004 – 2025 22 Haleakala-Faulkes Telescope North
95 900 3504 933 3.76 1994 – 2025 32 Moriyama
96 M45 3451 924 3.73 2023 – 2025 3 Starhopper Observatory, Sfantu Gheorghe
97 020 1486 901 1.65 1935 – 1975 41 Nice
98 L87 3787 900 4.21 2022 – 2025 4 Moonbase South Observatory, Hakos
99 Z99 3535 895 3.95 2014 – 2023 10 Clixby Observatory, Cleethorpes
100 W86 4520 895 5.05 2013 – 2024 12 Cerro Tololo-LCO B
101 Y05 2789 880 3.17 2023 – 2025 3 SONEAR Wykrota-CEAMIG, Serra da Piedade
102 118 4470 880 5.08 1996 – 2025 30 Astronomical and Geophysical Observatory, Modra
103 M49 4631 876 5.29 2023 – 2024 2 IAS Remote Observatory, Hakos
104 649 4880 861 5.67 1999 – 2009 11 Powell Observatory, Louisburg
105 L18 5510 849 6.49 2017 – 2025 9 QOS Observatory, Zalistsi
106 290 5667 845 6.71 2001 – 2024 24 Mt. Graham-VATT
107 413 4468 838 5.33 1974 – 2013 40 Siding Spring Observatory
108 W34 2832 833 3.40 2016 – 2024 9 Squirrel Valley Observatory, Columbus
109 J69 3848 827 4.65 2005 – 2025 21 North Observatory, Clanfield
110 G40 3497 792 4.42 2012 – 2025 14 Slooh.com Canary Islands Observatory
111 658 3972 792 5.02 1993 – 2025 33 Dominion Astrophysical Observatory
112 B74 3700 783 4.73 2008 – 2025 18 Santa Maria de Montmagastrell
113 493 3176 756 4.20 1989 – 2023 35 Calar Alto
114 024 1282 752 1.70 1891 – 2013 123 Heidelberg-Konigstuhl
115 C77 2605 728 3.58 2012 – 2025 14 Bernezzo Observatory
116 K51 2286 716 3.19 2013 – 2024 12 Osservatorio del Celado, Castello Tesino
117 W93 3314 711 4.66 2017 – 2024 8 Korea Microlensing Telescope Network-CTIO
118 K83 2245 708 3.17 2017 – 2025 9 Beppe Forti Astronomical Observatory, Montelupo
119 B72 3387 695 4.87 2021 – 2025 5 Soerth Observatory
120 W85 3797 692 5.49 2012 – 2025 14 Cerro Tololo-LCO A
121 K38 2957 671 4.41 2013 – 2025 13 M57 Observatory, Saltrio
122 113 3119 671 4.65 1999 – 2023 25 Volkssternwarte Drebach, Schoenbrunn
123 Y89 2409 670 3.60 2023 – 2025 3 Proxima Centauri Observatory, Valdin
124 L34 1977 667 2.96 2019 – 2025 7 Galhassin Robotic Telescope, Isnello
125 B49 2211 636 3.48 2007 – 2022 16 Paus Observatory, Sabadell
126 651 1850 628 2.95 1999 – 2014 16 Grasslands Observatory, Tucson
127 G34 3494 626 5.58 2012 – 2025 14 Oberfrauendorf
128 N86 2445 614 3.98 2021 – 2024 4 Xingming Observatory-KATS, Nanshan
129 B67 2577 603 4.27 2008 – 2025 18 Sternwarte Mirasteilas, Falera
130 L51 2490 586 4.25 2015 – 2025 11 MARGO, Nauchnyi
131 557 3787 567 6.68 1995 – 2024 30 Ondrejov
132 P93 2361 552 4.28 2017 – 2025 9 Space Tracking and Communications Center, JAXA
133 W76 2264 552 4.10 2018 – 2025 8 CHILESCOPE Observatory, Rio Hurtado
134 850 3233 550 5.88 2000 – 2020 21 Cordell-Lorenz Observatory, Sewanee
135 198 4821 544 8.86 2001 – 2021 21 Wildberg
136 K91 2658 540 4.92 2013 – 2024 12 Sutherland-LCO A
137 G02 1968 536 3.67 2021 – 2025 5 KYSUCE Observatory, Kysucke Nove Mesto
138 K61 2242 534 4.20 2014 – 2025 12 Rokycany Observatory
139 Q60 1865 507 3.68 2015 – 2017 3 ISON-SSO Observatory, Siding Spring
140 151 3475 493 7.05 1998 – 2025 28 Eschenberg Observatory, Winterthur
141 012 1037 486 2.13 1924 – 2014 91 Uccle
142 K93 2431 485 5.01 2013 – 2024 12 Sutherland-LCO C
143 696 1378 484 2.85 1996 – 2022 27 Whipple Observatory, Mt. Hopkins
144 A13 1999 481 4.16 2004 – 2018 15 Observatoire Naef, Ependes
145 G48 3039 476 6.38 2011 – 2019 9 Harlingten Research Observatory, Rancho Hildalgo
146 D90 1893 476 3.98 2008 – 2015 8 RAS Observatory, Moorook
147 304 2806 461 6.09 2001 – 2024 24 Las Campanas Observatory
148 V37 2623 459 5.71 2013 – 2025 13 McDonald Observatory-LCO ELP
149 157 1699 453 3.75 2000 – 2024 25 Frasso Sabino
150 A50 2226 451 4.94 2002 – 2020 19 Andrushivka Astronomical Observatory
151 K92 2201 449 4.90 2013 – 2024 12 Sutherland-LCO B
152 675 1491 446 3.34 1952 – 2025 74 Palomar Mountain
153 A48 2482 440 5.64 2004 – 2024 21 Povegliano Veronese
154 599 1721 436 3.95 1996 – 2005 10 Campo Imperatore-CINEOS
155 U68 2024 418 4.84 2018 – 2024 7 JPL SynTrack Robotic Telescope, Auberry
156 718 2868 411 6.98 2009 – 2025 17 Tooele
157 G58 1473 408 3.61 2008 – 2024 17 Chabot Space and Science Center, Oakland
158 M58 1894 406 4.67 2023 – 2025 3 VdS Remote Observatory, Hakos
159 A24 4187 397 10.55 2006 – 2016 11 New Millennium Observatory, Mozzate
160 511 3452 394 8.76 1980 – 2024 45 Haute Provence
161 W87 2234 390 5.73 2012 – 2025 14 Cerro Tololo-LCO C
162 C47 2245 389 5.77 2011 – 2022 12 Nonndorf
163 C43 1466 387 3.79 2012 – 2025 14 Hoyerswerda
164 E10 2177 387 5.63 2007 – 2024 18 Siding Spring-Faulkes Telescope South
165 069 1801 385 4.68 2008 – 2024 17 Baldone
166 C42 1410 382 3.69 2010 – 2020 11 Xingming Observatory, Mt. Nanshan
167 C40 4428 375 11.81 2012 – 2025 14 Kuban State University Astrophysical Observatory
168 J57 1243 370 3.36 2013 – 2025 13 Centro Astronomico Alto Turia, Valencia
169 941 2929 370 7.92 2001 – 2022 22 Observatorio Pla D'Arguines
170 I15 1471 367 4.01 2010 – 2020 11 Wishing Star Observatory, Barrington
171 A77 1820 356 5.11 2007 – 2025 19 Observatoire Chante-Perdrix, Dauban
172 Z43 1689 356 4.74 2017 – 2025 9 Landehen
173 M21 879 355 2.48 2022 – 2024 3 Schiaparelli Southern Observatory, Hakos
174 N89 1209 339 3.57 2020 – 2025 6 Xingming Observatory #2, Nanshan
175 L65 1894 337 5.62 2022 – 2025 4 Bredenkamp Observatory, Bremen
176 A53 1932 334 5.78 2005 – 2022 18 Peschiera del Garda
177 G32 2776 333 8.34 2012 – 2017 6 Elena Remote Observatory, San Pedro de Atacama
178 W88 1440 330 4.36 2014 – 2025 12 Slooh.com Chile Observatory, La Dehesa
179 Q06 1020 325 3.14 2024 – 2025 2 Tarui Observatory, Tarui
180 L81 1010 318 3.18 2020 – 2024 5 Skygems Namibia Remote Observatory
181 N88 1234 311 3.97 2020 – 2025 6 Xingming Observatory #3, Nanshan
182 B18 1912 302 6.33 2000 – 2022 23 Terskol
183 176 1669 298 5.60 2001 – 2012 12 Observatorio Astronomico de Consell
184 D03 1198 289 4.15 2012 – 2023 12 Rantiga Osservatorio, Tincana
185 Q20 1172 287 4.08 2024 – 2025 2 Swan Reach Imaging, Glenalta
186 670 1457 285 5.11 1995 – 2009 15 Camarillo
187 W95 1750 283 6.18 2014 – 2024 11 Observatorio Panameno, San Pedro de Atacama
188 A14 943 282 3.34 2006 – 2014 9 Les Engarouines Observatory
189 932 1195 282 4.24 2002 – 2024 23 John J. McCarthy Obs., New Milford
190 B88 1859 277 6.71 2009 – 2025 17 Bigmuskie Observatory, Mombercelli
191 L06 815 277 2.94 2018 – 2025 8 Sormano 2 Observatory, Bellagio Via Lattea
192 W25 1012 274 3.69 2016 – 2019 4 RMS Observatory, Cincinnati
193 X09 711 271 2.62 2023 – 2024 2 Deep Random Survey, Rio Hurtado
194 473 830 269 3.09 1997 – 2012 16 Remanzacco
195 G17 1147 268 4.28 2020 – 2025 6 BAS Observatory, Scandicci
196 D35 1310 268 4.89 2005 – 2024 20 Lulin Observatory
197 760 430 266 1.62 1948 – 1966 19 Goethe Link Observatory, Brooklyn
198 954 1597 265 6.03 1998 – 2022 25 Teide Observatory
199 266 4161 263 15.82 2011 – 2023 13 New Horizons KBO Search-Subaru
200 560 1038 263 3.95 2001 – 2016 16 Madonna di Dossobuono
201 X74 1334 260 5.13 2018 – 2024 7 Observatorio Campo dos Amarais
202 688 780 257 3.04 1977 – 2015 39 Lowell Observatory, Anderson Mesa Station
203 I03 952 252 3.78 1999 – 2004 6 European Southern Obs., La Silla--ASTROVIRTEL
204 114 1477 243 6.08 2008 – 2012 5 Engelhardt Observatory, Zelenchukskaya Station
205 W46 716 240 2.98 2019 – 2025 7 Foxfire Village
206 170 1058 239 4.43 2002 – 2008 7 Observatorio de Begues
207 M28 920 236 3.90 2022 – 2025 4 Lesedi Telescope-SAAO Observatory, Sutherland
208 C57 17705 235 75.34 2018 – 2021 4 TESS
209 402 1240 232 5.34 1989 – 2001 13 Dynic Astronomical Observatory
210 715 871 226 3.85 2000 – 2009 10 Jornada Observatory, Las Cruces
211 540 932 221 4.22 1995 – 2011 17 Linz
212 J13 1983 220 9.01 2009 – 2025 17 La Palma-Liverpool Telescope
213 221 690 217 3.18 2020 – 2023 4 IAS Observatory, Hakos
214 094 437 216 2.02 1912 – 2024 113 Crimea-Simeiz
215 H26 2270 215 10.56 2009 – 2011 3 Doc Greiner Research Observatory, Janesvillle
216 372 461 210 2.20 1981 – 2024 44 Geisei
217 G19 1361 208 6.54 2022 – 2025 4 Immanuel Kant Observatory,Limbach
218 143 781 208 3.75 1998 – 2013 16 Gnosca
219 185 819 208 3.94 2001 – 2025 25 Observatoire Astronomique Jurassien-Vicques
220 B03 980 207 4.73 2006 – 2013 8 Alter Satzberg, Vienna
221 V30 850 207 4.11 2014 – 2017 4 Heaven on Earth Observatory, Mayhill
222 G15 537 207 2.59 2021 – 2025 5 Magroforte Observatory, Alessandria
223 V01 742 206 3.60 2018 – 2021 4 Mountainville Observatory, Alpine
224 089 3139 206 15.24 2008 – 2025 18 Mykolaiv
225 611 928 204 4.55 1998 – 2011 14 Starkenburg Sternwarte, Heppenheim
226 W33 677 203 3.33 2017 – 2022 6 Transit Dreams Observatory, Campobello
227 Z32 2323 200 11.61 2017 – 2021 5 Observatorio Astrofisico de Javalambre
228 X31 722 199 3.63 2017 – 2023 7 Galileo Galilei Observatory, Oro Verde
229 620 831 196 4.24 1997 – 2009 13 Observatorio Astronomico de Mallorca
230 B04 725 194 3.74 2007 – 2019 13 OAVdA, Saint-Barthelemy
231 Q63 1070 193 5.54 2013 – 2024 12 Siding Spring-LCO A
232 W98 662 192 3.45 2013 – 2023 11 Polonia Observatory, San Pedro de Atacama
233 P13 745 191 3.90 2024 – 2025 2 Baihuashan Observatory, Beijing
234 381 1282 190 6.75 1976 – 2023 48 Tokyo-Kiso
235 E94 762 189 4.03 2012 – 2024 13 Possum Observatory, Gisborne
236 C82 655 189 3.47 2018 – 2025 8 Osservatorio Astronomico Nastro Verde, Sorrento
237 422 994 187 5.32 1994 – 2004 11 Loomberah
238 683 799 186 4.30 2000 – 2010 11 Goodricke-Pigott Observatory, Tucson
239 808 516 185 2.79 1965 – 2009 45 El Leoncito
240 I08 2017 183 11.02 2007 – 2015 9 Alianza S4, Cerro Burek
241 360 872 182 4.79 1994 – 2006 13 Kuma Kogen
242 M32 2199 182 12.08 2022 – 2025 4 Sunny Transcarpathian, Mukachevo
243 G01 994 179 5.55 2021 – 2024 4 Universitaetssternwarte Oldenburg
244 A44 876 178 4.92 2005 – 2020 16 Altschwendt
245 L47 851 178 4.78 2020 – 2025 6 Osservatorio Astronomico, Piobbico
246 G56 743 175 4.25 2009 – 2020 12 Walnut Creek
247 I77 664 174 3.82 2004 – 2012 9 CEAMIG-REA Observatory, Belo Horizonte
248 C23 2264 173 13.09 2012 – 2025 14 Olmen
249 G84 630 169 3.73 2009 – 2023 15 Mount Lemmon SkyCenter
250 H10 1181 169 6.99 2008 – 2011 4 Tzec Maun Observatory, Mayhill
251 701 823 169 4.87 2001 – 2008 8 Junk Bond Observatory, Sierra Vista
252 428 1220 168 7.26 1998 – 2010 13 Reedy Creek
253 388 298 168 1.77 1937 – 1996 60 Tokyo-Mitaka
254 U55 576 167 3.45 2020 – 2025 6 Golden Ears Observatory, Maple Ridge
255 078 178 166 1.07 1911 – 1954 44 Johannesburg
256 J87 626 163 3.84 2002 – 2022 21 La Canada
257 D00 703 159 4.42 2012 – 2021 10 ASC-Kislovodsk Observatory
258 J22 507 157 3.23 2008 – 2025 18 Tacande Observatory, La Palma
259 682 484 156 3.10 2000 – 2015 16 Kanab
260 152 765 155 4.94 2001 – 2025 25 Moletai Astronomical Observatory
261 V21 841 154 5.46 2021 – 2025 5 Cewanee Observatory at DSNM
262 G33 863 154 5.60 2012 – 2025 14 Wickede
263 A78 681 153 4.45 2005 – 2013 9 Stia
264 K78 486 151 3.22 2016 – 2025 10 iota Scorpii Observatory, La Spezia
265 L63 649 150 4.33 2020 – 2024 5 HOB Observatory, Capraia Fiorentina
266 Q64 860 150 5.73 2013 – 2024 12 Siding Spring-LCO B
267 O85 2352 149 15.79 2019 – 2024 6 LiShan Observatory, Lintong
268 I19 502 148 3.39 2009 – 2020 12 Observatorio El Gato Gris, Tanti
269 010 385 148 2.60 1978 – 2025 48 Caussols
270 L76 961 147 6.54 2020 – 2025 6 Nomad Observatory, Kochevanchik
271 585 1657 146 11.35 2006 – 2024 19 Kyiv comet station
272 122 557 146 3.82 1996 – 2025 30 Pises Observatory
273 R57 812 145 5.60 2016 – 2022 7 Aorangi Iti Observatory, Lake Tekapo
274 V03 612 145 4.22 2016 – 2019 4 Big Water
275 754 572 143 4.00 1924 – 2018 95 Yerkes Observatory, Williams Bay
276 G53 820 143 5.73 2010 – 2013 4 Alder Springs Observatory, Auberry
277 O75 469 140 3.35 2014 – 2024 11 ISON-Hureltogoot Observatory
278 A74 640 139 4.60 2005 – 2014 10 Bergen-Enkheim Observatory
279 D21 689 137 5.03 2007 – 2010 4 Shenton Park
280 M75 383 136 2.82 2024 – 2025 2 Online observatory, Peschany
281 C32 738 135 5.47 2010 – 2019 10 Ka-Dar Observatory, TAU Station, Nizhny Arkhyz
282 844 1312 133 9.86 1999 – 2018 20 Observatorio Astronomico Los Molinos
283 F85 529 132 4.01 2007 – 2009 3 Tiki Observatory, Punaauia
284 C97 873 130 6.72 2017 – 2025 9 Al-Fulaij Observatory, Oman
285 N51 412 130 3.17 2020 – 2023 4 GROWTH India Telescope, IAO, Hanle
286 071 618 129 4.79 1983 – 2020 38 NAO Rozhen, Smolyan
287 K62 609 127 4.80 2015 – 2024 10 Teplice Observatory
288 F84 525 126 4.17 2006 – 2009 4 Hibiscus Observatory, Punaauia
289 W42 423 125 3.38 2022 – 2025 4 Mind's Eye Observatory, Vero Beach
290 215 450 125 3.60 2001 – 2025 25 Buchloe
291 B15 600 124 4.84 2006 – 2025 20 Inastars Observatory, Potsdam (since 2006)
292 I89 541 123 4.40 2011 – 2023 13 iTelescope Observatory, Nerpio
293 L99 634 122 5.20 2021 – 2025 5 Novosilky
294 C85 1132 122 9.28 2012 – 2017 6 Observatorio Cala d'Hort, Ibiza
295 M26 371 121 3.07 2022 – 2025 4 Zen Observatory, Scandicci
296 V27 605 120 5.04 2021 – 2025 5 North Mesa Observatory, Los Alamos
297 379 3525 120 29.38 2002 – 2012 11 Hamamatsu-Yuto
298 I39 422 118 3.58 2011 – 2017 7 Observatorio Cruz del Sur, San Justo
299 N94 570 117 4.87 2024 – 2024 1 Altay Astronomical Observatory
300 126 358 117 3.06 1997 – 2025 29 Monte Viseggi L. Zannoni Observatory
301 240 872 115 7.58 2002 – 2020 19 Herrenberg Sternwarte
302 B01 604 114 5.30 2007 – 2011 5 Taunus Observatory, Frankfurt
303 Z22 423 112 3.78 2015 – 2022 8 MASTER-IAC Observatory, Tenerife
304 355 600 112 5.36 1997 – 2014 18 Hadano
305 I20 398 111 3.59 2009 – 2018 10 Observatorio Astronomico Salvador, Rio Cuarto
306 H51 1316 110 11.96 2005 – 2008 4 Greiner Research Observatory, Verona
307 333 802 110 7.29 2001 – 2014 14 Desert Eagle Observatory
308 W57 240 109 2.20 2023 – 2025 3 ESA TBT La Silla Observatory
309 K95 352 108 3.26 2015 – 2025 11 MASTER-SAAO Observatory, Sutherland
310 247 477 108 4.42 2016 – 2024 9 Roving Observer
311 L29 468 107 4.37 2018 – 2024 7 Drebach-South Observatory, Windhoek
312 W62 370 107 3.46 2021 – 2025 5 Comet Hunter Observatory2, New Ringgold
313 821 347 107 3.24 2011 – 2016 6 Cordoba-Bosque Alegre
314 L38 347 106 3.27 2021 – 2025 5 Gartensternwarte Schafsweide, Sehlde
315 C48 804 105 7.66 2012 – 2019 8 Sayan Solar Observatory, Irkutsk
316 L54 672 105 6.40 2019 – 2025 7 Berthelot Observatory, Hunedoara
317 Z41 381 105 3.63 2020 – 2025 6 Irydeo Observatory, Camarma de Esteruelas
318 G92 465 104 4.47 2004 – 2011 8 Jarnac Observatory, Vail
319 250 697 103 6.77 1997 – 2022 26 Hubble Space Telescope
320 K65 323 102 3.17 2015 – 2018 4 Cesena
321 510 846 102 8.29 2006 – 2017 12 Siegen
322 L59 431 99 4.35 2019 – 2025 7 Compustar Observatory, Rouen
323 G03 317 99 3.20 2021 – 2024 4 Capricornus Observatory, Csokako
324 K30 316 99 3.19 2014 – 2024 11 Luscherz
325 U69 431 98 4.40 2014 – 2023 10 iTelescope SRO Observatory, Auberry
326 470 337 96 3.51 1999 – 2022 24 Ceccano
327 194 454 95 4.78 2007 – 2025 19 Tivoli
328 K96 279 95 2.94 2018 – 2023 6 Savelli Observatory
329 B37 401 94 4.27 2008 – 2024 17 Obs. de L' Ametlla del Valles, Barcelona
330 H07 385 93 4.14 2004 – 2014 11 7300 Observatory, Cloudcroft
331 C73 1316 93 14.15 2011 – 2023 13 Galati Observatory
332 I47 407 93 4.38 2012 – 2024 13 Pierre Auger Observatory, Malargue
333 073 594 92 6.46 1943 – 2025 83 Bucharest
334 X10 608 92 6.61 2023 – 2024 2 OVTLN, San Pedro de Atacama
335 G98 1015 91 11.15 2004 – 2014 11 Calvin-Rehoboth Observatory, Rehoboth
336 598 303 90 3.37 1998 – 2025 28 Loiano
337 I76 623 90 6.92 2012 – 2022 11 Observatorio Tesla, Valdemorillo
338 G90 281 90 3.12 2003 – 2005 3 Three Buttes Observatory, Tucson
339 J84 475 88 5.40 2006 – 2014 9 South Observatory, Clanfield
340 B33 269 87 3.09 2007 – 2016 10 Libbiano Observatory, Peccioli
341 U74 309 86 3.59 2021 – 2024 4 JPL SynTrack Robotic Telescope 2, Auberry
342 693 352 86 4.09 1994 – 2013 20 Catalina Station, Tucson
343 084 1134 86 13.19 1906 – 2023 118 Pulkovo
344 859 328 86 3.81 1999 – 2023 25 Wykrota Observatory-CEAMIG
345 839 139 86 1.62 1920 – 1979 60 La Plata
346 A79 306 84 3.64 2006 – 2013 8 Zvezdno Obshtestvo Observatory, Plana
347 107 380 84 4.52 1996 – 2019 24 Cavezzo
348 Z24 408 84 4.86 2021 – 2025 5 Tenerife Observatory-LCO B, Tenerife
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1106 L44 5 1 5.00 2021 – 2021 1 AstroVal, Le Chenit
1107 G06 5 1 5.00 2021 – 2021 1 Dordrecht, Sterrenburg
1108 N83 8 1 8.00 2023 – 2023 1 LW-1, NAOC-Korla
1109 I69 5 1 5.00 2011 – 2011 1 AGM Observatory, Marrakech
1110 686 10 1 10.00 1998 – 1998 1 U. of Minn. Infrared Obs., Mt. Lemmon
1111 650 5 1 5.00 2002 – 2002 1 Temecula
1112 I66 8 1 8.00 2015 – 2015 1 Taurus Australis Observatory, Brasilia
1113 A39 5 1 5.00 2007 – 2007 1 Altenburg
1114 A31 5 1 5.00 2003 – 2003 1 Corcaroli Observatory
1115 O52 10 1 10.00 2024 – 2024 1 Astro820, Samut Prakan
1116 627 17 1 17.00 2002 – 2002 1 Blauvac
1117 184 7 1 7.00 2004 – 2004 1 Valmeca Observatory, Puimichel
1118 I23 50 1 50.00 2010 – 2010 1 Frosty Cold Observatory, Mash Harbor
1119 762 7 1 7.00 2003 – 2003 1 Four Winds Observatory, Lake Leelanau
1120 U75 7 1 7.00 2022 – 2022 1 Newport Beach
1121 I29 5 1 5.00 2012 – 2012 1 Middlesex School Observatory, Concord
1122 B48 5 1 5.00 2008 – 2008 1 Bocholt
1123 W50 17 1 17.00 2015 – 2015 1 Apex
1124 P41 5 1 5.00 2025 – 2025 1 Merak, NAOC
1125 W45 5 1 5.00 2025 – 2025 1 Benito Loyola Observatory, Virginia Beach
1126 W08 46 1 46.00 2017 – 2017 1 Jimginny Observatory, Naperville
1127 I01 4 1 4.00 2007 – 2007 1 Clay Center Observatory, Brookline
1128 A95 4 1 4.00 2008 – 2008 1 Taurus Hill Observatory, Varkaus
1129 B94 4 1 4.00 2009 – 2009 1 Petrozavodsk
1130 A72 4 1 4.00 2008 – 2008 1 Radebeul Observatory
1131 D06 4 1 4.00 2019 – 2019 1 Associazione Tuscolana di Astronomia, Domatore
1132 M56 4 1 4.00 2023 – 2023 1 Varedo
1133 U96 4 1 4.00 2019 – 2019 1 Athabasca University Geophysical Observatory
1134 Z30 4 1 4.00 2020 – 2020 1 Glyn Marsh Observatory, Douglas
1135 K42 4 1 4.00 2019 – 2019 1 Knielingen
1136 449 4 1 4.00 2024 – 2024 1 Griffin Hunter Observatory, Bethune
1137 D40 4 1 4.00 2024 – 2024 1 Frosinone
1138 153 14 1 14.00 2002 – 2002 1 Stuttgart-Hoffeld
1139 E83 4 1 4.00 2014 – 2014 1 Wither Observatory, Witherlea
1140 D14 4 1 4.00 2002 – 2002 1 Nanchuan Observatory, Guangzhou
1141 Z82 10 1 10.00 2014 – 2014 1 BOOTES-2 Observatory, Algarrobo
1142 541 4 1 4.00 2000 – 2000 1 Prague
1143 463 20 1 20.00 2023 – 2023 1 Sommers-Bausch Observatory, Boulder
1144 D08 4 1 4.00 2016 – 2016 1 Ghezz Observatory, Leontica
1145 Z06 12 1 12.00 2021 – 2021 1 Marina Sky, Nerpio
1146 964 7 1 7.00 1999 – 1999 1 Southend Bradfield
1147 920 15 1 15.00 2002 – 2002 1 RIT Observatory, Rochester
1148 641 4 1 4.00 2002 – 2002 1 Overberg
1149 B46 4 1 4.00 2009 – 2009 1 Sintini Observatory, Alfonsine
1150 397 4 1 4.00 1995 – 1995 1 Sapporo Science Center
1151 874 4 1 4.00 1983 – 1983 1 Observatorio do Pico dos Dias, Itajuba
1152 440 4 1 4.00 2002 – 2002 1 Elginfield Observatory
1153 M08 4 1 4.00 2023 – 2023 1 CHON, Stekene
1154 K36 4 1 4.00 2013 – 2013 1 Ebersheim
1155 981 4 1 4.00 2013 – 2013 1 Armagh
1156 827 7 1 7.00 2002 – 2002 1 Saint-Felicien
1157 E55 4 1 4.00 2024 – 2024 1 GOTO South
1158 837 4 1 4.00 2000 – 2000 1 Jupiter
1159 Y76 4 1 4.00 2025 – 2025 1 Observatorio NovaCanet, Canet de Berenguer
1160 K77 4 1 4.00 2025 – 2025 1 EHB01 Observatory, Engelhardsberg
1161 A34 7 1 7.00 2004 – 2004 1 Grosshabersdorf
1162 M40 7 1 7.00 2024 – 2024 1 OSTS-NRIAG, Kottamia
1163 E25 3 1 3.00 2004 – 2004 1 Rochedale (APTA)
1164 174 18 1 18.00 2002 – 2002 1 Nyrola Observatory, Jyvaskyla
1165 G47 3 1 3.00 2012 – 2012 1 HillTopTop Observatory, Edgewood
1166 454 3 1 3.00 2001 – 2001 1 Maryland Space Grant Consortium Observatory
1167 Z87 3 1 3.00 2016 – 2016 1 Stanley Laver Observatory, Pontesbury
1168 J44 3 1 3.00 2008 – 2008 1 Observatorio Iturrieta, Alava
1169 124 3 1 3.00 1997 – 1997 1 Castres
1170 K28 9 1 9.00 2018 – 2018 1 Sternwarte Eckdorf
1171 605 7 1 7.00 1996 – 1996 1 Marl
1172 J42 3 1 3.00 2014 – 2014 1 Puzol
1173 I10 3 1 3.00 2005 – 2005 1 CAO, San Pedro de Atacama (until 2012)
1174 O47 3 1 3.00 2021 – 2021 1 Yunling Observatory, Yunnan
1175 X72 3 1 3.00 2023 – 2023 1 Waccobs, Sao Leopoldo
1176 Q56 3 1 3.00 2024 – 2024 1 Heaven's Mirror Observatory, Yass
1177 J20 3 1 3.00 2008 – 2008 1 Aravaca
1178 J55 3 1 3.00 2008 – 2008 1 Los Altos de Arguineguin Observatory
1179 908 3 1 3.00 2000 – 2000 1 Toyama
1180 115 3 1 3.00 1982 – 1982 1 Zelenchukskaya
1181 199 3 1 3.00 2001 – 2001 1 Telescope Jean-Marc Salomon, Buthiers
1182 342 3 1 3.00 2001 – 2001 1 Shishikui
1183 A49 6 1 6.00 2006 – 2006 1 Uppsala-Angstrom
1184 D02 3 1 3.00 2012 – 2012 1 Observatori Petit Sant Feliu
1185 V15 3 1 3.00 2022 – 2022 1 OWL-Net, Mt. Lemmon
1186 B43 3 1 3.00 2008 – 2008 1 Hennef
1187 L79 3 1 3.00 2024 – 2024 1 BOSZA Observatory, Szalanta
1188 Z86 3 1 3.00 2020 – 2020 1 St. Mellons
1189 Z37 3 1 3.00 2017 – 2017 1 Northolt Branch Observatory 3, Blandford Forum
1190 Z03 3 1 3.00 2022 – 2022 1 Rio Cofio, Robledo de Chavela
1191 D87 3 1 3.00 2004 – 2004 1 Brooklyn Park
1192 664 26 1 26.00 1993 – 1993 1 Manastash Ridge Observatory
1193 717 3 1 3.00 2006 – 2006 1 Prude Ranch
1194 A91 3 1 3.00 2019 – 2019 1 Hankasalmi Observatory
1195 G05 3 1 3.00 2024 – 2024 1 Piconcillo, Sierra Morena
1196 D27 3 1 3.00 2023 – 2023 1 Observatoire de Fontcaude, Juvignac
1197 G93 3 1 3.00 2004 – 2004 1 Sonoita Research Observatory, Sonoita
1198 158 3 1 3.00 1998 – 1998 1 Promiod
1199 V58 3 1 3.00 2021 – 2021 1 Medina Dome, Medina
1200 350 3 1 3.00 2000 – 2000 1 Kurohone
1201 V88 3 1 3.00 2021 – 2021 1 River Ridge Observatory, Conway
1202 A60 9 1 9.00 2006 – 2006 1 YSTAR-NEOPAT Station, Sutherland
1203 274 3 1 3.00 2023 – 2023 1 James Webb Space Telescope
1204 C80 3 1 3.00 2022 – 2022 1 Don Astronomical Observatory, Rostov-on-Don
1205 X60 3 1 3.00 2023 – 2023 1 Guaraciaba Observatory
1206 G46 3 1 3.00 2011 – 2011 1 Pinto Valley Observatory
1207 K47 3 1 3.00 2023 – 2023 1 BSCR Observatory, Santa Maria a Monte
1208 730 3 1 3.00 2003 – 2003 1 University of North Dakota, Grand Forks
1209 912 3 1 3.00 2000 – 2000 1 Carbuncle Hill Observatory, Greene
1210 X91 3 1 3.00 2025 – 2025 1 Orion-Colesanti observatory, Mairinque
1211 410 3 1 3.00 1995 – 1995 1 Sengamine
1212 V08 3 1 3.00 2015 – 2015 1 Mountain Creek Ranch, Vail
1213 M62 3 1 3.00 2025 – 2025 1 Lajoux Observatory
1214 L17 3 1 3.00 2023 – 2023 1 Observatori Astronomic Albanya
1215 K48 3 1 3.00 2013 – 2013 1 Keyhole Observatory, San Giorgio di Mantova
1216 O54 3 1 3.00 2024 – 2024 1 TSky Observatory, Chonburi
1217 X17 3 1 3.00 2025 – 2025 1 BlackGEM
1218 T16 3 1 3.00 2025 – 2025 1 W. M. Keck Observatory, Keck 1, Maunakea
1219 I24 9 1 9.00 2012 – 2012 1 Lake of the Woods Observatory, Locust Grove
1220 I81 3 1 3.00 2025 – 2025 1 Tarbatness Observatory, Portmahomack
1221 M30 3 1 3.00 2022 – 2022 1 Zeta Aquarii Observatory, Brasov
1222 D81 3 1 3.00 2015 – 2015 1 Nagano
1223 N54 3 1 3.00 2025 – 2025 1 Purple Mountain Observatory, Jiama'erdeng
1224 Z08 2 1 2.00 2023 – 2023 1 Telescope Live, Oria
1225 P72 2 1 2.00 2022 – 2022 1 OWL-Net, Mt. Bohyun
1226 Y98 2 1 2.00 2024 – 2024 1 Southside Observatory, Steeple Aston
1227 K85 2 1 2.00 2023 – 2023 1 Kelmis
1228 X87 2 1 2.00 2018 – 2018 1 Dogsheaven Observatory, Brasilia
1229 G25 2 1 2.00 2013 – 2013 1 Sherbrooke
1230 B17 6 1 6.00 2010 – 2010 1 AZT-8 Yevpatoriya
1231 220 2 1 2.00 1987 – 1987 1 Vainu Bappu Observatory, Kavalur
1232 E22 2 1 2.00 2009 – 2009 1 Univ. of Southern Queensland Obs., Mt. Kent
1233 T02 2 1 2.00 2024 – 2024 1 SNX-NET, Wailuku
1234 O44 2 1 2.00 2015 – 2015 1 Lijiang Station, Yunnan Observatories
1235 V74 6 1 6.00 2020 – 2020 1 Katy Observatory, Katy
1236 I86 2 1 2.00 2013 – 2013 1 Observatorio UCM, Madrid
1237 770 2 1 2.00 1996 – 1996 1 Crescent Moon Observatory, Columbus
1238 O38 12 1 12.00 2024 – 2024 1 Purple Mountain Observatory, Dayao
1239 347 2 1 2.00 2001 – 2001 1 Utsunomiya-Imaizumi
1240 K81 2 1 2.00 2020 – 2020 1 P.M.P.H.R. Deep Sky Observatory, Atina
1241 032 2 1 2.00 1967 – 1967 1 Jena
1242 G63 32 1 32.00 2006 – 2006 1 Mill Creek Observatory, The Dalles
1243 389 2 1 2.00 1930 – 1930 1 Tokyo (before 1938)
1244 358 2 1 2.00 1997 – 1997 1 Nanyo
1245 905 2 1 2.00 1995 – 1995 1 Nachi-Katsuura Observatory
1246 H86 2 1 2.00 2004 – 2004 1 CBA-East Observatory, Laurel
1247 685 2 1 2.00 1990 – 1990 1 Williams
1248 M43 2 1 2.00 2020 – 2020 1 Al Sadeem Observatory, Abu Dhabi
1249 898 2 1 2.00 1990 – 1990 1 Fujieda
1250 K68 2 1 2.00 2016 – 2016 1 Osservatorio Elianto, Pontecagnano
1251 485 2 1 2.00 1978 – 1978 1 Carter Observatory, Wellington
1252 141 2 1 2.00 1998 – 1998 1 Hottviller
1253 571 2 1 2.00 1983 – 1983 1 Cavriana
1254 849 2 1 2.00 2000 – 2000 1 Everstar Observatory, Olathe
1255 D88 2 1 2.00 2010 – 2010 1 Hiratsuka
1256 C03 6 1 6.00 2016 – 2016 1 Clayhole Observatory, Jokela
1257 166 2 1 2.00 2018 – 2018 1 Upice
1258 M13 2 1 2.00 2023 – 2023 1 Lucie Berger Observatory, Strasbourg
1259 727 2 1 2.00 2013 – 2013 1 Zeno Observatory, Edmond
1260 193 14 1 14.00 2016 – 2016 1 Sanglok
1261 052 1 1 1.00 1974 – 1974 1 Stockholm-Saltsjobaden
1262 537 1 1 1.00 1898 – 1898 1 Urania Observatory, Berlin
1263 804 1 1 1.00 1945 – 1945 1 Santiago-San Bernardo
1264 055 1 1 1.00 1936 – 1936 1 Cracow
1265 978 1 1 1.00 1989 – 1989 1 Conder Brow
1266 548 1 1 1.00 1878 – 1878 1 Berlin (1835-1913)
1267 H03 1 1 1.00 2005 – 2005 1 Sandia View Observatory, Rio Rancho
1268 767 1 1 1.00 1873 – 1873 1 Ann Arbor
1269 J78 1 1 1.00 2004 – 2004 1 Murcia
1270 007 1 1 1.00 1892 – 1892 1 Paris
1271 067 1 1 1.00 1949 – 1949 1 Lviv University Observatory
1272 871 1 1 1.00 1990 – 1990 1 Akou
1273 103 1 1 1.00 2003 – 2003 1 Ljubljana
1274 710 1 1 1.00 1996 – 1996 1 MPO Observatory, Florissant
1275 787 1 1 1.00 1874 – 1874 1 U.S. Naval Obs., Washington (before 1893)
Sum 1275 30031675 739328 40.62 1873 – 2025 153 1275 names