O85 LiShan Observatory, Lintong

Last update: UTC 2026-02-27 08:00:24

Graphs

Yearly Breakdown of MPEC Types

Term definition:
Editorial - Editorial MPECs associated with this station.
Discovery - MPECs associated with discovery made by this station.
OrbitUpdate - MPECs associated with orbit updates involving observations made by this station. Typically, these are recoveries of single-opposition objects.
DOU - Daily Orbit Update MPECs involving observations made by this station.
ListUpdate - MPECs associated with list updates involving observations made by this station. This category has largely been retired since 2012.
Retraction - Retracted MPECs involving observations made by this station.
Followup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere.
FirstFollowup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere, with this station being the first station to follow-up.
Other - MPECs that do not fit into categories listed above and involve observations made by this station.

Yearly Breakdown of Discovery Object Types

Yearly Breakdown of Orbit Update Object Types

Breakdown by Observers

Breakdown by Measurers

Breakdown by Facilities

Breakdown by Objects

Annual Breakdown

Weekly Breakdown

Hourly Breakdown

Tables

Yearly Breakdown of MPEC Types

Year Total MPECs Editorial Discovery Orbit Update DOU List Update Retraction Other Follow-Up First Follow-Up
2026 0 0 0 0 0 0 0 0 0 0
2025 3 0 0 1 1 0 0 0 1 0
2024 7 0 0 0 4 0 0 0 2 1
2023 36 0 0 2 19 0 0 0 15 0
2022 3 0 0 0 1 0 0 0 2 0
2021 4 0 0 0 4 0 0 0 0 0
2020 2 0 0 0 2 0 0 0 0 0
2019 1 0 0 0 1 0 0 0 0 0
2018 0 0 0 0 0 0 0 0 0 0
2017 0 0 0 0 0 0 0 0 0 0
2016 0 0 0 0 0 0 0 0 0 0
2015 0 0 0 0 0 0 0 0 0 0
2014 0 0 0 0 0 0 0 0 0 0
2013 0 0 0 0 0 0 0 0 0 0
2012 0 0 0 0 0 0 0 0 0 0
2011 0 0 0 0 0 0 0 0 0 0
2010 0 0 0 0 0 0 0 0 0 0
2009 0 0 0 0 0 0 0 0 0 0
2008 0 0 0 0 0 0 0 0 0 0
2007 0 0 0 0 0 0 0 0 0 0
2006 0 0 0 0 0 0 0 0 0 0
2005 0 0 0 0 0 0 0 0 0 0
2004 0 0 0 0 0 0 0 0 0 0
2003 0 0 0 0 0 0 0 0 0 0
2002 0 0 0 0 0 0 0 0 0 0
2001 0 0 0 0 0 0 0 0 0 0
2000 0 0 0 0 0 0 0 0 0 0
1999 0 0 0 0 0 0 0 0 0 0
1998 0 0 0 0 0 0 0 0 0 0
1997 0 0 0 0 0 0 0 0 0 0
1996 0 0 0 0 0 0 0 0 0 0
1995 0 0 0 0 0 0 0 0 0 0
1994 0 0 0 0 0 0 0 0 0 0
1993 0 0 0 0 0 0 0 0 0 0

List of Individual MPECs

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2019-Y12 DAILY ORBIT UPDATE (2019 December 18) 2019-12-18 12:13:00
2 MPEC 2020-H12 DAILY ORBIT UPDATE (2020 April 17) 2020-04-17 12:05:00
3 MPEC 2020-K02 DAILY ORBIT UPDATE (2020 May 16) 2020-05-16 12:10:00
4 MPEC 2021-Q12 DAILY ORBIT UPDATE (2021 August 17) 2021-08-17 12:07:00
5 MPEC 2021-V302 DAILY ORBIT UPDATE (2021 November 13) 2021-11-13 12:02:00
6 MPEC 2021-W50 DAILY ORBIT UPDATE (2021 November 25) 2021-11-25 12:03:00
7 MPEC 2021-W58 DAILY ORBIT UPDATE (2021 November 26) 2021-11-26 12:04:00
8 MPEC 2022-J29 2022 JK 2022-05-04 11:08:00 NEA (H>22) CATCH
9 MPEC 2022-J30 2022 JL 2022-05-04 11:10:00 NEA (H>22) CATCH
10 MPEC 2022-W161 DAILY ORBIT UPDATE (2022 November 24) 2022-11-24 12:18:00
11 MPEC 2023-E67 2023 ES 2023-03-13 18:29:00 NEA (H>22) CATCH
12 MPEC 2023-E69 2023 ET 2023-03-13 21:15:00 NEA (H>22) CATCH
13 MPEC 2023-K54 DAILY ORBIT UPDATE (2023 May 19) 2023-05-19 12:06:00
14 MPEC 2023-K142 DAILY ORBIT UPDATE (2023 May 25) 2023-05-25 12:01:00
15 MPEC 2023-U100 DAILY ORBIT UPDATE (2023 October 19) 2023-10-19 12:38:00
16 MPEC 2023-U112 2023 UW1 2023-10-19 19:44:00 NEA (H>22) CATCH
17 MPEC 2023-U210 DAILY ORBIT UPDATE (2023 October 23) 2023-10-23 12:09:00
18 MPEC 2023-U272 DAILY ORBIT UPDATE (2023 October 27) 2023-10-27 12:20:00
19 MPEC 2023-U292 DAILY ORBIT UPDATE (2023 October 31) 2023-10-31 12:26:00
20 MPEC 2023-V01 COMET C/2023 S3 (Lemmon) 2023-11-01 02:12:00 Comet CATCH
21 MPEC 2023-V74 2023 VB2 2023-11-06 23:24:00 NEA (H>22) CATCH
22 MPEC 2023-V87 DAILY ORBIT UPDATE (2023 November 7) 2023-11-07 12:10:00
23 MPEC 2023-V101 2023 VZ2 2023-11-07 23:41:00 NEA (H>22) CATCH
24 MPEC 2023-V105 2023 VD3 2023-11-08 01:55:00 NEA (H>22) CATCH
25 MPEC 2023-V106 2023 VE3 2023-11-08 02:07:00 NEA (H>22) CATCH
26 MPEC 2023-V127 DAILY ORBIT UPDATE (2023 November 9) 2023-11-09 12:23:00
27 MPEC 2023-V242 DAILY ORBIT UPDATE (2023 November 14) 2023-11-14 12:38:00
28 MPEC 2023-W07 DAILY ORBIT UPDATE (2023 November 16) 2023-11-16 12:01:00
29 MPEC 2023-W10 2023 WA 2023-11-16 19:36:00 NEA (H>22) CATCH
30 MPEC 2023-W14 DAILY ORBIT UPDATE (2023 November 17) 2023-11-17 12:03:00
31 MPEC 2023-W17 2023 VT10 2023-11-17 21:34:00 NEA (H>22) CATCH
32 MPEC 2023-W47 DAILY ORBIT UPDATE (2023 November 20) 2023-11-20 12:03:00
33 MPEC 2023-W66 DAILY ORBIT UPDATE (2023 November 21) 2023-11-21 12:05:00
34 MPEC 2023-W138 DAILY ORBIT UPDATE (2023 November 28) 2023-11-28 12:09:00
35 MPEC 2023-X62 DAILY ORBIT UPDATE (2023 December 5) 2023-12-05 12:26:00
36 MPEC 2023-X64 2023 XB1 2023-12-05 13:57:00 NEA (H>22) CATCH
37 MPEC 2023-X74 2023 XM1 2023-12-05 14:45:00 NEA (H>22) CATCH
38 MPEC 2023-X98 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-06 08:53:00 Comet CATCH
39 MPEC 2023-X132 DAILY ORBIT UPDATE (2023 December 7) 2023-12-07 12:29:00
40 MPEC 2023-X140 2023 XT3 2023-12-07 20:21:00 NEA (H>22) CATCH
41 MPEC 2023-X152 DAILY ORBIT UPDATE (2023 December 8) 2023-12-08 13:24:00
42 MPEC 2023-X184 2020 XC3 2023-12-10 23:24:00 NEA (H>22) CATCH
43 MPEC 2023-X306 2023 XL14 2023-12-15 19:05:00 NEA (H>22) CATCH
44 MPEC 2023-Y02 2023 XS14 2023-12-16 02:05:00 NEA (H>22) CATCH
45 MPEC 2023-Y06 DAILY ORBIT UPDATE (2023 December 16) 2023-12-16 12:13:00
46 MPEC 2023-Y46 DAILY ORBIT UPDATE (2023 December 18) 2023-12-18 12:19:00
47 MPEC 2024-A108 DAILY ORBIT UPDATE (2024 January 10) 2024-01-10 12:09:00
48 MPEC 2024-A124 DAILY ORBIT UPDATE (2024 January 11) 2024-01-11 12:12:00
49 MPEC 2024-A141 DAILY ORBIT UPDATE (2024 January 12) 2024-01-12 12:20:00
50 MPEC 2024-H05 DAILY ORBIT UPDATE (2024 April 16) 2024-04-16 12:21:00
51 MPEC 2024-U154 2024 UO4 2024-10-27 23:05:00 NEA (H>22) CATCH
52 MPEC 2024-V82 2024 VM1 2024-11-05 20:21:00 NEA (H>22) CATCH
53 MPEC 2025-F25 2025 FL 2025-03-20 21:02:00 NEA (H>22) CATCH
54 MPEC 2025-S230 DAILY ORBIT UPDATE (2025 September 25) 2025-09-25 12:16:00
55 MPEC 2025-Y51 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-12-18 22:36:00 Comet CATCH

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
F4244 21899 0 2023-08-12 2023-08-13 22.5 359
G3696 18357 0 2019-11-20 2019-12-03 18.7 633
D7199 9424 0 2020-01-29 2020-01-29 16.4 304
40267 7966 0 2020-02-16 2020-02-16 19.3 569
A3067 7410 0 2020-01-29 2020-02-12 16.4 195
85236 4884 0 2019-11-20 2019-12-03 21.7 132
J2563 4046 0 2019-12-03 2019-12-21 16.2 119
K16UA1J 2952 0 2023-11-17 2023-11-20 16.6 72
G2723 2673 0 2019-11-20 2019-11-25 21.7 81
K19U06T 2537 0 2023-11-17 2023-11-20 14.8 59
K15N13U 2464 0 2021-01-13 2021-01-22 19.4 77
g2787 2291 0 2022-10-17 2022-10-18 22.1 79
K04U01V 1694 0 2023-12-07 2023-12-07 16.4 154
u0563 1624 0 2022-07-25 2022-07-29 21.5 56
h7316 1600 0 2020-01-21 2020-01-29 17.7 80
K23U11C 1500 0 2023-11-13 2023-11-20 18.0 20
K23R04A 1330 0 2023-10-19 2023-10-22 21.7 35
K23Q11E 1232 0 2023-12-06 2023-12-07 17.4 77
K23V04R 1200 0 2023-11-13 2023-11-20 21.0 20
G3373 1131 0 2020-02-03 2020-02-16 21.2 87
K19W03R 1116 0 2019-12-02 2019-12-03 18.5 31
K08T27B 1056 0 2022-12-14 2022-12-17 22.1 44
0144P 1032 0 2023-11-19 2023-11-19 14.7 86
K13G69G 1020 0 2022-06-27 2022-06-29 N/A 85
e5212 960 0 2019-09-21 2019-09-21 21.2 48
E3649 900 0 2021-09-12 2021-09-13 18.7 100
86450 872 0 2021-01-11 2021-01-11 20.9 218
K18X05V 795 0 2022-06-14 2022-06-14 N/A 159
F9454 790 0 2020-01-29 2020-01-29 20.1 158
K22L01X 780 0 2022-06-23 2022-06-27 20.9 39
K19X00S 777 0 2021-11-09 2021-11-09 22.1 37
K25F22A 759 0 2025-09-23 2025-09-24 17.5 69
K16E85D 714 0 2020-09-17 2020-09-17 19.6 119
K22R04M 703 0 2022-10-31 2022-11-01 16.5 37
K23V03G 667 0 2023-12-04 2023-12-07 18.1 23
K02A01Y 656 0 2024-01-08 2024-01-09 22.1 41
K10X03J 644 0 2023-11-18 2023-11-19 20.4 28
K23V01Y 627 0 2023-11-13 2023-11-17 19.5 19
K23C03L 600 0 2023-05-23 2023-05-23 17.9 30
O8926 590 0 2019-09-21 2019-09-21 17.1 118
K05L03W 576 0 2022-11-23 2022-11-23 13.7 32
V1044 561 0 2019-12-03 2019-12-03 22.5 51
K22S19C 560 0 2022-10-31 2022-11-01 N/A 35
K23U00O 558 0 2023-11-08 2023-11-15 17.8 18
r3638 510 0 2023-12-06 2023-12-07 18.8 34
K24E02O 507 0 2024-04-11 2024-04-11 16.0 39
K23V05W 504 0 2023-11-17 2023-11-20 17.2 12
K19N03O 486 0 2024-01-09 2024-01-11 20.6 27
K14HC9K 468 0 2022-12-17 2022-12-17 14.9 39
K19O01R 459 0 2022-11-14 2022-11-14 22.2 51
K15R35N 440 0 2022-12-17 2022-12-17 14.4 40
K20F06M 434 0 2023-10-27 2023-10-27 22.2 31
K23D00M 420 0 2023-03-12 2023-03-13 17.7 20
J98H49H 405 0 2023-10-19 2023-10-19 21.3 27
K22R05B 390 0 2022-10-17 2022-10-17 19.5 39
K15O78X 364 0 2020-01-21 2020-01-21 19.7 91
K23V00C 360 0 2023-11-06 2023-11-08 19.3 10
K23X01B 324 0 2023-12-04 2023-12-07 N/A 18
K23T03U 320 0 2023-10-27 2023-10-27 20.6 32
K00K00A 315 0 2020-05-11 2020-05-11 15.5 35
K23T04V 299 0 2023-10-21 2023-10-22 19.8 13
K23B10E 290 0 2023-03-13 2023-03-13 17.4 29
h3992 290 0 2020-05-11 2020-05-11 17.6 58
K19W03Q 288 0 2019-12-02 2019-12-02 20.0 16
K11Y28J 275 0 2024-01-11 2024-01-11 18.4 25
K21S04Z 260 0 2023-10-21 2023-10-21 18.7 26
K23V07N 260 0 2023-11-13 2023-11-17 19.6 13
K11D00W 253 0 2021-03-01 2021-03-03 17.3 23
K23T08X 250 0 2023-10-21 2023-10-22 17.7 10
K23X10Y 250 0 2023-12-15 2023-12-15 18.0 25
K17W02G 246 0 2023-12-15 2023-12-15 22.1 41
K22J00L 231 0 2022-05-03 2022-05-06 16.1 11
K22Y06O 220 0 2023-01-30 2023-01-31 19.5 11
CK23S030 216 0 2023-10-27 2023-10-27 13.8 18
K22U01C 209 0 2022-10-20 2022-10-21 N/A 11
K23P00M 198 0 2023-08-21 2023-08-21 17.0 33
K19P00J 195 0 2024-01-09 2024-01-11 22.2 15
K14H04G 186 0 2023-11-17 2023-11-17 21.5 31
K15DK0E 185 0 2020-01-29 2020-01-29 21.8 37
K23X01K 154 0 2023-12-06 2023-12-07 20.9 7
K23T07C 153 0 2023-10-14 2023-10-14 17.2 9
K22A00B 150 0 2022-01-10 2022-01-10 17.1 25
K23X00A 147 0 2023-12-04 2023-12-04 19.6 7
K23V06D 145 0 2023-12-15 2023-12-15 15.8 29
K22L00V 144 0 2022-06-23 2022-06-23 17.4 12
K23X02J 144 0 2023-12-07 2023-12-07 19.3 36
K20K04T 140 0 2023-12-15 2023-12-15 N/A 20
K23Q00C 140 0 2023-08-21 2023-08-21 16.3 10
h4188 140 0 2024-01-11 2024-01-11 19.5 28
K24A01N 136 0 2024-01-09 2024-01-11 18.4 8
K22O02U 133 0 2022-08-01 2022-08-02 17.1 7
K22M00P 132 0 2022-06-23 2022-06-23 N/A 12
K24G01A 132 0 2024-04-11 2024-04-11 17.9 11
K23V00F 130 0 2023-11-08 2023-11-08 19.7 13
K23U01W 128 0 2023-10-19 2023-10-19 16.2 4
m0883 128 0 2021-12-08 2021-12-08 17.7 16
K20X03C 126 0 2023-12-07 2023-12-07 18.8 21
K23T09U 126 0 2023-10-14 2023-10-14 20.1 9
0003I 120 0 2025-12-15 2025-12-15 16.5 40
K21C00O 120 0 2021-02-10 2021-02-11 13.5 8
K23D02Z 120 0 2023-03-25 2023-03-25 21.6 8
K23J00K 114 0 2023-05-19 2023-05-19 19.6 19
K23U00N 110 0 2023-10-19 2023-10-20 17.0 5
K23V03D 108 0 2023-11-07 2023-11-07 21.2 6
K23U05H 98 0 2023-10-22 2023-10-22 19.1 7
K22U04M 96 0 2022-10-21 2022-10-21 17.1 6
K22U14D 96 0 2022-11-01 2022-11-01 N/A 24
K21C06A 88 0 2021-02-13 2021-02-13 18.1 4
K23V03E 85 0 2023-11-07 2023-11-07 20.6 5
K22H00C 80 0 2022-04-20 2022-04-20 20.1 10
K23F03R 80 0 2023-03-25 2023-03-25 16.6 10
K23V02Z 80 0 2023-11-07 2023-11-08 17.8 4
K23E00S 75 0 2023-03-13 2023-03-13 16.3 5
K22M00Q 72 0 2022-06-23 2022-06-23 17.4 9
K23J02D 66 0 2023-05-19 2023-05-19 20.7 11
K22U02G 64 0 2022-10-20 2022-10-20 16.7 4
K22J00C 60 0 2022-05-06 2022-05-06 18.5 10
K23U03G 60 0 2023-10-21 2023-10-21 17.3 4
K23V10T 60 0 2023-11-16 2023-11-17 19.7 4
K23V09R 56 0 2023-11-17 2023-11-17 19.5 7
K22J00K 54 0 2022-05-03 2022-05-03 20.0 6
K23X14L 54 0 2023-12-15 2023-12-15 16.7 9
K23V07Q 52 0 2023-11-13 2023-11-13 18.4 4
K22R00W 50 0 2022-09-05 2022-09-05 15.8 10
K23T15K 49 0 2023-10-19 2023-10-19 16.1 7
K23X01M 48 0 2023-12-04 2023-12-04 21.2 8
K23X03T 44 0 2023-12-07 2023-12-07 18.8 4
K24G02J 44 0 2024-04-11 2024-04-11 16.1 4
K23V07X 36 0 2023-11-16 2023-11-16 N/A 4
K23V02B 34 0 2023-11-06 2023-11-06 15.1 2
K22H04K 33 0 2022-05-01 2022-05-01 16.9 3
K23E00T 33 0 2023-03-13 2023-03-13 17.7 3
K23W00B 30 0 2023-11-17 2023-11-17 19.3 6
K23X14S 28 0 2023-12-15 2023-12-15 20.1 4
K23X03D 27 0 2023-12-07 2023-12-07 17.8 3
K24V01M 25 0 2024-11-05 2024-11-05 18.1 5
K24A02R 24 0 2024-01-11 2024-01-11 17.0 3
K25F00L 24 0 2025-03-20 2025-03-20 N/A 4
K24U04O 22 0 2024-10-27 2024-10-27 17.1 2
K22U03W 20 0 2022-10-21 2022-10-21 17.6 5
K22O03J 18 0 2022-08-02 2022-08-02 16.7 6
K22R01R 18 0 2022-09-05 2022-09-05 17.3 3
K23W00A 14 0 2023-11-16 2023-11-16 13.3 2
K23X00D 12 0 2023-12-06 2023-12-06 17.7 3
K23B07J 11 0 2023-01-30 2023-01-30 17.1 1
K22O05K 6 0 2022-08-01 2022-08-01 17.0 1

List of Observers

Observer Group Total MPECs
Unknown 32
A.Pomazan, K.Tang, Y.Yu 23
Individual Observer Total MPECs
Unknown 32
A.Pomazan 23
K.Tang 23
Y.Yu 23

List of Measurers

Measurer Group Total MPECs
Unknown 55
Individual Measurer Total MPECs
Unknown 55

List of Facilities

Facilities Count
0.5-m f/7.0 0.50-m f/7.0 + CCD 1
0.50-m f/7.0 Cassegrain + CCD 22
Unknown 32