MPC observations statistics

ITF - Observations of tracklets (1-night objects)

Sorted by number of observations

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 04-16-2024

Number of observations of top 15 stations at Minor Planet Center for ITF class
Number of observations of top 15 stations at Minor Planet Center for ITF class
Rank Station Observations Objects Observation per object Years of observation Years Station name
No. Code Number Number   Range span  
1 F51 3195977 946036 3.38 2009 – 2024 16 Pan-STARRS 1, Haleakala
2 W84 1484297 272780 5.44 2002 – 2024 23 Cerro Tololo-DECam
3 G96 1402608 363787 3.86 2004 – 2024 21 Mt. Lemmon Survey
4 F52 768456 230687 3.33 2014 – 2024 11 Pan-STARRS 2, Haleakala
5 T09 372589 86247 4.32 2002 – 2023 22 Subaru Telescope, Maunakea
6 691 303254 100098 3.03 1990 – 2023 34 Steward Observatory, Kitt Peak-Spacewatch
7 V00 238240 61521 3.87 2019 – 2024 6 Kitt Peak-Bok
8 703 118776 36023 3.30 1998 – 2024 27 Catalina Sky Survey
9 644 102070 34090 2.99 2001 – 2010 10 Palomar Mountain/NEAT
10 699 89422 27158 3.29 1998 – 2008 11 Lowell Observatory-LONEOS
11 568 76141 19477 3.91 1993 – 2022 30 Maunakea
12 695 71162 33218 2.14 1995 – 2021 27 Kitt Peak
13 807 69240 33458 2.07 1997 – 2023 27 Cerro Tololo Observatory, La Serena
14 309 48512 5735 8.46 2000 – 2024 25 Cerro Paranal
15 645 30395 14900 2.04 1998 – 2009 12 Apache Point-Sloan Digital Sky Survey
16 O18 27655 9217 3.00 2023 – 2024 2 WFST, Lenghu
17 291 21518 7183 3.00 2001 – 2024 24 LPL/Spacewatch II
18 D29 17085 5635 3.03 2006 – 2023 18 Purple Mountain Observatory, XuYi Station
19 D35 13617 4569 2.98 2006 – 2014 9 Lulin Observatory
20 J43 11550 3296 3.50 2011 – 2024 14 Oukaimeden Observatory, Marrakech
21 950 10588 2227 4.75 1994 – 2023 30 La Palma
22 683 8996 3128 2.88 1998 – 2010 13 Goodricke-Pigott Observatory, Tucson
23 I41 7377 1621 4.55 2009 – 2024 16 Palomar Mountain--ZTF
24 H15 7185 2111 3.40 2010 – 2018 9 ISON-NM Observatory, Mayhill
25 G37 6310 2454 2.57 2012 – 2024 13 Lowell Discovery Telescope
26 W16 5997 1976 3.03 2019 – 2024 6 Pleasant Groves Observatory
27 290 5618 1366 4.11 2003 – 2024 22 Mt. Graham-VATT
28 G36 5567 869 6.41 2011 – 2023 13 Calar Alto-CASADO
29 C15 5530 1539 3.59 2013 – 2014 2 ISON-Ussuriysk Observatory
30 J04 4882 1828 2.67 2010 – 2024 15 ESA Optical Ground Station, Tenerife
31 H06 4131 1366 3.02 2004 – 2022 19 iTelescope Observatory, Mayhill
32 809 4020 999 4.02 1988 – 2022 35 European Southern Observatory, La Silla
33 E12 3781 997 3.79 2003 – 2013 11 Siding Spring Survey
34 I52 3500 1060 3.30 2014 – 2024 11 Steward Observatory, Mt. Lemmon Station
35 T05 3498 866 4.04 2015 – 2024 10 ATLAS-HKO, Haleakala
36 069 3417 1035 3.30 2008 – 2024 17 Baldone
37 Q62 3147 1052 2.99 2013 – 2024 12 iTelescope Observatory, Siding Spring
38 T08 2652 663 4.00 2014 – 2024 11 ATLAS-MLO, Mauna Loa
39 608 2597 895 2.90 1995 – 2006 12 Haleakala-AMOS
40 H21 2595 811 3.20 2009 – 2023 15 Astronomical Research Observatory, Westfield
41 152 2570 1086 2.37 2000 – 2020 21 Moletai Astronomical Observatory
42 P07 2358 562 4.20 2021 – 2023 3 Space Surveillance Telescope, HEH Station
43 333 2251 684 3.29 2001 – 2015 15 Desert Eagle Observatory
44 L69 2232 743 3.00 2020 – 2023 4 LaCaille Observatory, Pretoria
45 W94 2124 711 2.99 2016 – 2023 8 MAP, San Pedro de Atacama
46 Z84 2113 631 3.35 2017 – 2024 8 Calar Alto-Schmidt
47 K95 1988 816 2.44 2015 – 2023 9 MASTER-SAAO Observatory, Sutherland
48 G92 1840 611 3.01 2004 – 2011 8 Jarnac Observatory, Vail
49 A14 1577 524 3.01 2003 – 2014 12 Les Engarouines Observatory
50 926 1525 517 2.95 2001 – 2017 17 Tenagra II Observatory, Nogales
51 Z22 1458 601 2.43 2015 – 2022 8 MASTER-IAC Observatory, Tenerife
52 M58 1443 359 4.02 2023 – 2024 2 VdS Remote Observatory, Hakos
53 N87 1415 414 3.42 2013 – 2024 12 Nanshan Station, Xinjiang Observatory
54 599 1313 445 2.95 1996 – 2006 11 Campo Imperatore-CINEOS
55 C42 1313 421 3.12 2008 – 2020 13 Xingming Observatory, Mt. Nanshan
56 T12 1301 466 2.79 2002 – 2024 23 University of Hawaii 88-inch telescope, Maunakea
57 954 1297 231 5.61 1997 – 2021 25 Teide Observatory
58 W93 1293 373 3.47 2018 – 2024 7 Korea Microlensing Telescope Network-CTIO
59 C48 1292 230 5.62 2013 – 2018 6 Sayan Solar Observatory, Irkutsk
60 Y00 1252 412 3.04 2013 – 2022 10 SONEAR Observatory, Oliveira
61 258 1243 58 21.43 2018 – 2022 5 Gaia
62 621 1178 376 3.13 1998 – 2018 21 Bergisch Gladbach
63 I03 1153 403 2.86 1999 – 2004 6 European Southern Obs., La Silla--ASTROVIRTEL
64 J13 1117 99 11.28 2011 – 2024 14 La Palma-Liverpool Telescope
65 J75 1017 338 3.01 2006 – 2014 9 OAM Observatory, La Sagra
66 300 921 225 4.09 2000 – 2016 17 Bisei Spaceguard Center-BATTeRS
67 246 884 154 5.74 2006 – 2023 18 Klet Observatory-KLENOT
68 H07 837 295 2.84 2004 – 2014 11 7300 Observatory, Cloudcroft
69 Z32 789 94 8.39 2017 – 2020 4 Observatorio Astrofisico de Javalambre
70 106 774 211 3.67 1999 – 2023 25 Crni Vrh
71 D00 751 209 3.59 2012 – 2021 10 ASC-Kislovodsk Observatory
72 T14 744 235 3.17 2003 – 2023 21 Canada-France-Hawaii Telescope, Maunakea
73 A50 740 216 3.43 2003 – 2013 11 Andrushivka Astronomical Observatory
74 W92 739 303 2.44 2016 – 2023 8 MASTER-OAFA Observatory, San Juan
75 V06 733 227 3.23 2017 – 2024 8 Catalina Sky Survey-Kuiper
76 566 732 250 2.93 1995 – 1998 4 Haleakala-NEAT/GEODSS
77 095 722 259 2.79 1991 – 2024 34 Crimea-Nauchnyi
78 493 721 228 3.16 1994 – 2018 25 Calar Alto
79 W76 715 222 3.22 2018 – 2024 7 CHILESCOPE Observatory, Rio Hurtado
80 I08 697 216 3.23 2007 – 2015 9 Alianza S4, Cerro Burek
81 H67 690 232 2.97 2003 – 2007 5 Stonegate Observatory, Ann Arbor
82 Y05 681 227 3.00 2023 – 2024 2 SONEAR Wykrota-CEAMIG, Serra da Piedade
83 033 637 208 3.06 1993 – 2023 31 Karl Schwarzschild Observatory, Tautenburg
84 705 637 213 2.99 1999 – 2017 19 Apache Point
85 C41 592 196 3.02 2012 – 2019 8 MASTER-II Observatory, Kislovodsk
86 185 582 258 2.26 2001 – 2011 11 Observatoire Astronomique Jurassien-Vicques
87 G45 556 143 3.89 2012 – 2017 6 Space Surveillance Telescope, Atom Site
88 701 529 202 2.62 1999 – 2008 10 Junk Bond Observatory, Sierra Vista
89 N89 521 165 3.16 2020 – 2024 5 Xingming Observatory #2, Nanshan
90 327 520 168 3.10 1995 – 2008 14 Peking Observatory, Xinglong Station
91 D54 501 243 2.06 2014 – 2024 11 MASTER-II Observatory, Blagoveshchensk
92 198 484 91 5.32 2004 – 2019 16 Wildberg
93 Q60 480 160 3.00 2015 – 2017 3 ISON-SSO Observatory, Siding Spring
94 C94 480 151 3.18 2012 – 2021 10 MASTER-II Observatory, Tunka
95 W98 478 161 2.97 2015 – 2018 4 Polonia Observatory, San Pedro de Atacama
96 461 471 167 2.82 2001 – 2016 16 University of Szeged, Piszkesteto Stn. (Konkoly)
97 808 461 227 2.03 1992 – 2000 9 El Leoncito
98 H55 452 150 3.01 2004 – 2009 6 Astronomical Research Observatory, Charleston
99 G40 435 194 2.24 2013 – 2022 10 Slooh.com Canary Islands Observatory
100 104 430 157 2.74 1995 – 2024 30 San Marcello Pistoiese
101 561 402 115 3.50 1998 – 2014 17 Piszkesteto Stn. (Konkoly)
102 122 390 121 3.22 1999 – 2023 25 Pises Observatory
103 071 387 79 4.90 1988 – 2020 33 NAO Rozhen, Smolyan
104 012 372 157 2.37 1997 – 2009 13 Uccle
105 583 368 101 3.64 2014 – 2021 8 Odesa-Mayaky
106 U68 362 91 3.98 2018 – 2023 6 JPL SynTrack Robotic Telescope, Auberry
107 H10 340 96 3.54 2008 – 2011 4 Tzec Maun Observatory, Mayhill
108 735 335 118 2.84 1996 – 2011 16 George Observatory, Needville
109 586 333 34 9.79 2001 – 2023 23 Pic du Midi
110 682 326 134 2.43 1999 – 2012 14 Kanab
111 C95 319 103 3.10 2013 – 2023 11 SATINO Remote Observatory, Haute Provence
112 Q21 307 141 2.18 2016 – 2023 8 Southern Utsunomiya
113 D03 303 103 2.94 2012 – 2022 11 Rantiga Osservatorio, Tincana
114 K88 299 92 3.25 2016 – 2024 9 GINOP-KHK, Piszkesteto
115 L52 289 103 2.81 2016 – 2020 5 MASTER-Tavrida
116 G48 286 84 3.40 2011 – 2019 9 Harlingten Research Observatory, Rancho Hildalgo
117 W95 281 79 3.56 2014 – 2023 10 Observatorio Panameno, San Pedro de Atacama
118 U69 280 78 3.59 2014 – 2021 8 iTelescope SRO Observatory, Auberry
119 X74 258 66 3.91 2018 – 2023 6 Observatorio Campo dos Amarais
120 B74 247 79 3.13 2010 – 2023 14 Santa Maria de Montmagastrell
121 L51 241 77 3.13 2015 – 2023 9 MARGO, Nauchnyi
122 C97 240 71 3.38 2017 – 2024 8 Al-Fulaij Observatory, Oman
123 Y89 232 74 3.14 2023 – 2024 2 Proxima Centauri Observatory, Valdin
124 190 214 4 53.50 2013 – 2021 9 Gissar
125 688 207 91 2.27 1997 – 2015 19 Lowell Observatory, Anderson Mesa Station
126 L33 206 64 3.22 2014 – 2018 5 Ananiv
127 114 199 57 3.49 2008 – 2012 5 Engelhardt Observatory, Zelenchukskaya Station
128 010 198 67 2.96 1992 – 2019 28 Caussols
129 H01 198 49 4.04 2010 – 2024 15 Magdalena Ridge Observatory, Socorro
130 910 196 66 2.97 1996 – 1998 3 Caussols-ODAS
131 B18 195 56 3.48 1999 – 2021 23 Terskol
132 734 194 72 2.69 2000 – 2023 24 Farpoint Observatory, Eskridge
133 381 189 23 8.22 1993 – 2024 32 Tokyo-Kiso
134 A13 187 71 2.63 2004 – 2016 13 Observatoire Naef, Ependes
135 F65 181 42 4.31 2004 – 2023 20 Haleakala-Faulkes Telescope North
136 247 179 40 4.47 2016 – 2023 8 Roving Observer
137 G19 177 30 5.90 2020 – 2023 4 Immanuel Kant Observatory,Limbach
138 A79 177 63 2.81 2005 – 2013 9 Zvezdno Obshtestvo Observatory, Plana
139 413 175 69 2.54 1977 – 2007 31 Siding Spring Observatory
140 A77 171 56 3.05 2007 – 2023 17 Observatoire Chante-Perdrix, Dauban
141 V30 169 59 2.86 2014 – 2017 4 Heaven on Earth Observatory, Mayhill
142 715 168 62 2.71 1999 – 2007 9 Jornada Observatory, Las Cruces
143 H36 167 59 2.83 2003 – 2023 21 Sandlot Observatory, Scranton
144 097 164 60 2.73 1999 – 2004 6 Wise Observatory, Mitzpeh Ramon
145 I28 164 53 3.09 2010 – 2012 3 Starhoo Observatory, Lakeville
146 H51 163 44 3.70 2005 – 2008 4 Greiner Research Observatory, Verona
147 675 156 39 4.00 1950 – 2023 74 Palomar Mountain
148 D39 156 48 3.25 2008 – 2011 4 Shandong University Observatory, Weihai
149 224 154 50 3.08 2003 – 2007 5 Ottmarsheim
150 L59 153 53 2.89 2019 – 2024 6 Compustar Observatory, Rouen
151 049 145 48 3.02 1994 – 2005 12 Uppsala-Kvistaberg
152 B49 145 45 3.22 2008 – 2022 15 Paus Observatory, Sabadell
153 L01 142 38 3.74 2017 – 2023 7 Visnjan Observatory, Tican
154 439 140 70 2.00 2001 – 2001 1 ROTSE-III, Los Alamos
155 C85 140 34 4.12 2012 – 2019 8 Observatorio Cala d'Hort, Ibiza
156 N88 138 45 3.07 2020 – 2021 2 Xingming Observatory #3, Nanshan
157 J87 138 44 3.14 2002 – 2022 21 La Canada
158 K41 133 44 3.02 2015 – 2019 5 Vegaquattro Astronomical Obs., Novi Ligure
159 850 132 50 2.64 2002 – 2019 18 Cordell-Lorenz Observatory, Sewanee
160 D96 130 35 3.71 2010 – 2011 2 Tzec Maun Observatory, Moorook
161 H26 129 39 3.31 2009 – 2011 3 Doc Greiner Research Observatory, Janesvillle
162 250 129 28 4.61 2000 – 2019 20 Hubble Space Telescope
163 L96 127 36 3.53 2015 – 2015 1 ISON-Byurakan Observatory
164 W34 125 41 3.05 2016 – 2023 8 Squirrel Valley Observatory, Columbus
165 G32 125 41 3.05 2012 – 2015 4 Elena Remote Observatory, San Pedro de Atacama
166 L87 122 21 5.81 2022 – 2023 2 Moonbase South Observatory, Hakos
167 209 122 41 2.98 2001 – 2003 3 Asiago Observatory, Cima Ekar-ADAS
168 120 122 55 2.22 1996 – 2000 5 Visnjan
169 W88 121 50 2.42 2017 – 2022 6 Slooh.com Chile Observatory, La Dehesa
170 266 119 31 3.84 2017 – 2022 6 New Horizons KBO Search-Subaru
171 V03 118 39 3.03 2016 – 2019 4 Big Water
172 C51 118 25 4.72 2010 – 2024 15 WISE
173 W68 114 27 4.22 2022 – 2024 3 ATLAS Chile, Rio Hurtado
174 919 113 48 2.35 2000 – 2001 2 Desert Beaver Observatory
175 511 112 20 5.60 1991 – 2023 33 Haute Provence
176 711 111 37 3.00 1996 – 2021 26 McDonald Observatory, Fort Davis
177 221 111 35 3.17 2020 – 2023 4 IAS Observatory, Hakos
178 I10 109 36 3.03 2005 – 2005 1 CAO, San Pedro de Atacama (until 2012)
179 E17 108 36 3.00 2003 – 2009 7 Leura
180 Z79 107 17 6.29 2015 – 2016 2 Calar Alto TNO Survey
181 C32 107 31 3.45 2011 – 2012 2 Ka-Dar Observatory, TAU Station, Nizhny Arkhyz
182 C73 104 30 3.47 2011 – 2014 4 Galati Observatory
183 696 104 47 2.21 1996 – 2006 11 Whipple Observatory, Mt. Hopkins
184 557 103 35 2.94 1996 – 2018 23 Ondrejov
185 M22 102 25 4.08 2022 – 2024 3 ATLAS South Africa, Sutherland
186 I40 102 22 4.64 2011 – 2016 6 La Silla--TRAPPIST
187 739 99 36 2.75 1998 – 2001 4 Sunflower Observatory, Olathe
188 K19 99 33 3.00 2015 – 2024 10 PASTIS Observatory, Banon
189 094 97 21 4.62 1999 – 2021 23 Crimea-Simeiz
190 006 97 11 8.82 2014 – 2021 8 Fabra Observatory, Barcelona
191 L81 96 29 3.31 2020 – 2023 4 Skygems Namibia Remote Observatory
192 G68 95 36 2.64 2008 – 2012 5 Sierra Stars Observatory, Markleeville
193 K61 93 30 3.10 2014 – 2021 8 Rokycany Observatory
194 649 92 27 3.41 1999 – 2007 9 Powell Observatory, Louisburg
195 B01 91 27 3.37 2008 – 2011 4 Taunus Observatory, Frankfurt
196 J31 90 25 3.60 2010 – 2023 14 La Axarquia
197 304 89 31 2.87 1994 – 2022 29 Las Campanas Observatory
198 G78 89 31 2.87 2002 – 2002 1 Desert Wanderer Observatory, El Centro
199 A05 89 30 2.97 2023 – 2023 1 Belesta
200 372 88 44 2.00 1992 – 2004 13 Geisei
201 G83 85 24 3.54 2007 – 2023 17 Mt. Graham-LBT
202 G27 84 21 4.00 2013 – 2019 7 Fabra Observatory, Montsec
203 941 84 19 4.42 2001 – 2012 12 Observatorio Pla D'Arguines
204 160 82 23 3.57 2014 – 2021 8 Castelmartini
205 W87 81 16 5.06 2014 – 2021 8 Cerro Tololo-LCO C
206 859 80 29 2.76 2000 – 2023 24 Wykrota Observatory-CEAMIG
207 C10 79 36 2.19 2011 – 2016 6 Maisoncelles
208 J95 77 21 3.67 2003 – 2023 21 Great Shefford
209 474 76 17 4.47 1999 – 2022 24 Mount John Observatory, Lake Tekapo
210 L92 76 18 4.22 2021 – 2023 3 San Costantino
211 U76 75 25 3.00 2020 – 2023 4 Maury Lewin Observatory, Glendora
212 858 74 26 2.85 2020 – 2023 4 Tebbutt Observatory, Edgewood
213 K93 74 16 4.63 2016 – 2023 8 Sutherland-LCO C
214 W49 73 26 2.81 2013 – 2018 6 CBA-MM Observatory, Mountain Meadows
215 446 73 35 2.09 2001 – 2005 5 Kingsnake Observatory, Seguin
216 958 71 24 2.96 1997 – 2024 28 Observatoire de Dax
217 I16 70 15 4.67 2010 – 2015 6 IAA-AI Atacama, San Pedro de Atacama
218 G84 70 26 2.69 2009 – 2022 14 Mount Lemmon SkyCenter
219 A38 68 23 2.96 2002 – 2004 3 Campocatino Automated Telescope, Collepardo
220 L04 68 25 2.72 2015 – 2020 6 ROASTERR-1 Observatory, Cluj-Napoca
221 G69 68 7 9.71 2009 – 2013 5 Via Capote Sky Observatory, Thousand Oaks
222 615 68 22 3.09 2001 – 2018 18 St. Veran
223 188 67 16 4.19 2007 – 2019 13 Majdanak
224 B67 67 20 3.35 2010 – 2023 14 Sternwarte Mirasteilas, Falera
225 K96 66 28 2.36 2018 – 2022 5 Savelli Observatory
226 740 66 5 13.20 2004 – 2004 1 SFA Observatory, Nacogdoches
227 951 66 24 2.75 2001 – 2007 7 Highworth
228 Y16 66 22 3.00 2020 – 2023 4 ROCG, Campos dos Goytacazes
229 399 66 33 2.00 1992 – 1995 4 Kushiro
230 N42 65 2 32.50 2014 – 2021 8 Tien-Shan Astronomical Observatory
231 260 62 31 2.00 1974 – 1995 22 Siding Spring Observatory-DSS
232 C43 62 18 3.44 2012 – 2021 10 Hoyerswerda
233 098 60 30 2.00 1983 – 1998 16 Asiago Observatory, Cima Ekar
234 D08 60 1 60.00 2013 – 2013 1 Ghezz Observatory, Leontica
235 I69 60 20 3.00 2011 – 2012 2 AGM Observatory, Marrakech
236 O75 59 18 3.28 2014 – 2023 10 ISON-Hureltogoot Observatory
237 W24 58 7 8.29 2022 – 2023 2 Shamrock Banks Observatory, Clare
238 H11 57 17 3.35 2008 – 2011 4 LightBuckets Observatory, Rodeo
239 E94 57 13 4.38 2012 – 2022 11 Possum Observatory, Gisborne
240 G53 56 18 3.11 2010 – 2012 3 Alder Springs Observatory, Auberry
241 X09 55 17 3.24 2023 – 2024 2 Deep Random Survey, Rio Hurtado
242 448 55 18 3.06 2002 – 2010 9 Desert Moon Observatory, Las Cruces
243 A16 54 11 4.91 2004 – 2022 19 Tentlingen
244 504 54 22 2.45 1999 – 2005 7 Le Creusot
245 H33 54 8 6.75 2020 – 2020 1 Bixhoma Observatory, Bixby
246 H17 53 19 2.79 2011 – 2022 12 Angel Peaks Observatory
247 658 53 13 4.08 1997 – 2023 27 Dominion Astrophysical Observatory
248 918 53 17 3.12 2000 – 2005 6 Badlands Observatory, Quinn
249 270 53 4 13.25 2022 – 2023 2 Unistellar Network, Roving Observer
250 261 52 26 2.00 1951 – 1998 48 Palomar Mountain-DSS
251 642 52 22 2.36 1999 – 2003 5 Oak Bay, Victoria
252 118 52 16 3.25 1996 – 2022 27 Astronomical and Geophysical Observatory, Modra
253 654 52 14 3.71 2015 – 2023 9 Table Mountain Observatory, Wrightwood-PHMC
254 A41 51 20 2.55 2003 – 2009 7 Rezman Observatory, Kamnik
255 H78 49 5 9.80 2008 – 2014 7 University of Narino Observatory, Pasto
256 163 49 16 3.06 2006 – 2008 3 Roeser Observatory, Luxembourg
257 E10 49 13 3.77 2011 – 2022 12 Siding Spring-Faulkes Telescope South
258 U94 47 15 3.13 2023 – 2024 2 iTelescope Observatory, Beryl Junction
259 344 45 20 2.25 2000 – 2003 4 Bohyunsan Optical Astronomy Observatory
260 N56 44 17 2.59 2020 – 2021 2 Jiama'erdeng Tianwentai, Ali, Tibet
261 402 44 16 2.75 1992 – 1999 8 Dynic Astronomical Observatory
262 838 44 17 2.59 2003 – 2003 1 Dayton
263 G98 43 12 3.58 2005 – 2013 9 Calvin-Rehoboth Observatory, Rehoboth
264 P93 43 8 5.38 2017 – 2023 7 Space Tracking and Communications Center, JAXA
265 W85 42 8 5.25 2016 – 2023 8 Cerro Tololo-LCO A
266 673 42 19 2.21 2000 – 2018 19 Table Mountain Observatory, Wrightwood
267 213 41 13 3.15 2001 – 2023 23 Observatorio Montcabre
268 138 41 11 3.73 2000 – 2007 8 Village-Neuf
269 K35 41 11 3.73 2013 – 2017 5 Huenfelden
270 J26 41 10 4.10 2009 – 2020 12 The Spaceguard Centre, Knighton
271 D44 40 9 4.44 2013 – 2023 11 Ishigakijima Astronomical Observatory
272 552 40 16 2.50 1994 – 2001 8 Osservatorio S. Vittore, Bologna
273 900 40 12 3.33 1998 – 2023 26 Moriyama
274 860 40 15 2.67 1998 – 2001 4 Valinhos
275 K92 40 8 5.00 2016 – 2023 8 Sutherland-LCO B
276 D14 39 13 3.00 2006 – 2007 2 Nanchuan Observatory, Guangzhou
277 194 39 14 2.79 2002 – 2014 13 Tivoli
278 J50 38 7 5.43 2004 – 2006 3 La Palma-NEON
279 L71 38 8 4.75 2016 – 2019 4 Vedrus Observatory, Azovskaya
280 I89 37 12 3.08 2012 – 2020 9 iTelescope Observatory, Nerpio
281 Z57 37 4 9.25 2021 – 2022 2 Observatorio Zuben, Alhaurin de la Torre
282 216 37 12 3.08 2005 – 2008 4 Observatoire des Cote de Meuse
283 927 36 11 3.27 2001 – 2004 4 Madison-YRS
284 G14 36 12 3.00 2021 – 2022 2 Novaloop Observatory, Mougins
285 693 36 12 3.00 1996 – 2006 11 Catalina Station, Tucson
286 J57 36 12 3.00 2013 – 2023 11 Centro Astronomico Alto Turia, Valencia
287 Q63 35 7 5.00 2014 – 2022 9 Siding Spring-LCO A
288 620 34 11 3.09 1997 – 2007 11 Observatorio Astronomico de Mallorca
289 C23 34 9 3.78 2014 – 2022 9 Olmen
290 204 33 14 2.36 2001 – 2021 21 Schiaparelli Observatory
291 Q68 33 7 4.71 2020 – 2022 3 Blue Mountains Observatory, Leura
292 829 32 15 2.13 1998 – 2002 5 Complejo Astronomico El Leoncito
293 E85 32 3 10.67 2016 – 2018 3 Farm Cove
294 306 32 12 2.67 2001 – 2001 1 Observatorio Taya Beixo, Barquisimeto
295 Q64 32 6 5.33 2016 – 2021 6 Siding Spring-LCO B
296 M49 32 10 3.20 2023 – 2023 1 IAS Remote Observatory, Hakos
297 B21 31 12 2.58 2007 – 2010 4 Gaisberg Observatory, Schaerding
298 K99 31 6 5.17 2014 – 2022 9 Derenivka Observatory
299 585 31 5 6.20 2017 – 2019 3 Kyiv comet station
300 W96 31 12 2.58 2013 – 2017 5 CAO, San Pedro de Atacama (since 2013)
301 W97 30 10 3.00 2022 – 2022 1 Atacama Desert Observatory, San Pedro de Atacama
302 113 30 12 2.50 1995 – 2012 18 Volkssternwarte Drebach, Schoenbrunn
303 W79 30 2 15.00 2021 – 2021 1 Cerro Tololo-LCO Aqawan B #1
304 Q66 30 8 3.75 2018 – 2020 3 Siding Spring-Janess-G, JAXA
305 V37 30 5 6.00 2015 – 2022 8 McDonald Observatory-LCO ELP
306 G34 30 7 4.29 2018 – 2018 1 Oberfrauendorf
307 K91 30 7 4.29 2014 – 2023 10 Sutherland-LCO A
308 L43 30 10 3.00 2019 – 2024 6 Ager, Leida
309 W86 29 7 4.14 2014 – 2023 10 Cerro Tololo-LCO B
310 K74 29 7 4.14 2019 – 2022 4 Muensterschwarzach Observatory, Schwarzach
311 N82 29 9 3.22 2021 – 2021 1 Multa Observatory
312 843 29 11 2.64 2000 – 2004 5 Emerald Lane Observatory, Decatur
313 201 29 12 2.42 2003 – 2005 3 Jonathan B. Postel Observatory
314 844 29 5 5.80 2004 – 2014 11 Observatorio Astronomico Los Molinos
315 I93 29 8 3.63 2019 – 2023 5 St Pardon de Conques
316 G03 29 10 2.90 2021 – 2023 3 Capricornus Observatory, Csokako
317 610 28 7 4.00 1996 – 1999 4 Pianoro
318 928 28 8 3.50 2001 – 2004 4 Moonedge Observatory, Northport
319 V20 28 10 2.80 2020 – 2021 2 Killer Rocks Observatory, Pie Town
320 K81 28 9 3.11 2019 – 2020 2 P.M.P.H.R. Deep Sky Observatory, Atina
321 181 28 1 28.00 2018 – 2018 1 Observatoire des Makes, Saint-Louis
322 Z64 27 8 3.38 2015 – 2017 3 Observatorio el Miron del Cielo
323 M11 27 9 3.00 2022 – 2023 2 Novaastro Observatory, Banon
324 651 27 12 2.25 1999 – 2010 12 Grasslands Observatory, Tucson
325 X87 27 3 9.00 2015 – 2019 5 Dogsheaven Observatory, Brasilia
326 J86 27 7 3.86 2005 – 2021 17 Sierra Nevada Observatory
327 E89 26 8 3.25 2019 – 2021 3 Geyserland Observatory, Pukehangi
328 460 26 11 2.36 2001 – 2006 6 Area 52 Observatory, Nashville
329 J47 26 9 2.89 2008 – 2010 3 Observatorio Nazaret
330 952 26 7 3.71 2001 – 2005 5 Marxuquera
331 470 25 8 3.13 2001 – 2020 20 Ceccano
332 C71 24 8 3.00 2011 – 2011 1 Sant Marti Sesgueioles
333 Z02 24 8 3.00 2022 – 2022 1 HAO observatory, Oukaimeden
334 046 24 5 4.80 1982 – 2017 36 Klet Observatory, Ceske Budejovice
335 662 24 8 3.00 2002 – 2005 4 Lick Observatory, Mount Hamilton
336 303 24 10 2.40 1994 – 2016 23 OAN de Llano del Hato, Merida
337 M45 24 6 4.00 2023 – 2024 2 Starhopper Observatory, Sfantu Gheorghe
338 V22 23 8 2.88 2022 – 2022 1 Insight Remote Observatory, Pie Town
339 706 23 9 2.56 1999 – 2002 4 Salida
340 D90 23 7 3.29 2009 – 2012 4 RAS Observatory, Moorook
341 I47 23 2 11.50 2014 – 2018 5 Pierre Auger Observatory, Malargue
342 Z99 23 8 2.88 2014 – 2020 7 Clixby Observatory, Cleethorpes
343 W62 23 8 2.88 2022 – 2023 2 Comet Hunter Observatory2, New Ringgold
344 N31 23 3 7.67 2020 – 2020 1 Eden Astronomical Observatory, Lahore
345 A84 23 1 23.00 2005 – 2005 1 TUBITAK National Observatory
346 A19 22 5 4.40 2003 – 2005 3 Koln
347 834 22 10 2.20 2021 – 2023 3 Buenos Aires-AAAA
348 233 22 5 4.40 2020 – 2022 3 Sauro Donati Astronomical Observatory, San Vito
349 K83 22 8 2.75 2018 – 2023 6 Beppe Forti Astronomical Observatory, Montelupo
350 E09 21 7 3.00 2010 – 2011 2 Oakley Southern Sky Observatory, Coonabarabran
351 V83 21 5 4.20 2016 – 2020 5 Rolling Hills Observatory, Warrensburg
352 678 21 7 3.00 2000 – 2005 6 Fountain Hills
353 B44 21 7 3.00 2008 – 2008 1 Eygalayes
354 Y01 21 7 3.00 2023 – 2023 1 SONEAR 2 Observatory, Belo Horizonte
355 C01 21 7 3.00 2011 – 2012 2 Lohrmann-Observatorium, Triebenberg
356 O49 21 1 21.00 2020 – 2020 1 Purple Mountain Observatory, Yaoan Station
357 449 21 7 3.00 2001 – 2001 1 Griffin Hunter Observatory, Bethune
358 J19 21 3 7.00 2020 – 2020 1 El Maestrat
359 Q81 21 5 4.20 2021 – 2021 1 Caloundra West
360 V13 21 7 3.00 2021 – 2021 1 Little Moose Observatory, Timber Lakes
361 V41 20 7 2.86 2022 – 2022 1 Rapid City
362 U63 20 5 4.00 2020 – 2020 1 Burnt Tree Hill Observatory, Cle Elum
363 108 20 7 2.86 1996 – 2020 25 Montelupo
364 G26 20 9 2.22 2019 – 2021 3 Fushan Observatory, Mt Shaohua
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756 B81 2 1 2.00 2010 – 2010 1 Caimari
757 161 2 1 2.00 1999 – 1999 1 Cerrina Tololo Observatory
758 H83 2 1 2.00 2008 – 2008 1 Timberlake Observatory, Oakton
759 W25 2 1 2.00 2016 – 2016 1 RMS Observatory, Cincinnati
760 318 2 1 2.00 2001 – 2001 1 Quinns Rock
761 E07 2 1 2.00 2011 – 2011 1 Murrumbateman
762 757 2 1 2.00 2001 – 2001 1 High Point
763 612 2 1 2.00 1996 – 1996 1 Lenkerbeck
764 052 2 1 2.00 2000 – 2000 1 Stockholm-Saltsjobaden
765 424 2 1 2.00 1996 – 1996 1 Macquarie
766 897 2 1 2.00 1993 – 1993 1 YGCO Chiyoda Station
767 868 2 1 2.00 1994 – 1994 1 Hidaka Observatory
768 238 2 1 2.00 2001 – 2001 1 Grorudalen Optical Observatory
769 Y28 2 1 2.00 2015 – 2015 1 OASI, Nova Itacuruba
770 G49 2 1 2.00 2021 – 2021 1 Minnetonka
771 V42 1 1 1.00 2021 – 2021 1 Dimension Point, Mayhill
772 B40 1 1 1.00 2021 – 2021 1 Skylive Observatory, Catania
773 Q06 1 1 1.00 2021 – 2021 1 Tarui Observatory, Tarui
774 C89 1 1 1.00 2021 – 2021 1 Astronomical Station Vidojevica
Sum 774 8653275 2349853 3.68 1950 – 2024 75 774 names