O40 Xingyuan, Daocheng

Last update: UTC 2026-04-21 07:30:16

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 3 0 0 0 2 0 0 0 1 0
2025 23 0 0 10 10 0 0 0 3 0
2024 4 0 0 1 3 0 0 0 0 0
2023 0 0 0 0 0 0 0 0 0 0
2022 0 0 0 0 0 0 0 0 0 0
2021 0 0 0 0 0 0 0 0 0 0
2020 0 0 0 0 0 0 0 0 0 0
2019 0 0 0 0 0 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 2024-F28 DAILY ORBIT UPDATE (2024 March 19) 2024-03-19 12:06:00
2 MPEC 2024-V192 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-11-14 19:46:00 Comet CATCH
3 MPEC 2024-Y166 DAILY ORBIT UPDATE (2024 December 28) 2024-12-28 12:59:00
4 MPEC 2024-Y217 DAILY ORBIT UPDATE (2024 December 30) 2024-12-30 12:09:00
5 MPEC 2025-A40 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-01-03 03:22:00 Comet CATCH
6 MPEC 2025-C09 DAILY ORBIT UPDATE (2025 February 2) 2025-02-02 12:25:00
7 MPEC 2025-C143 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-02-08 19:17:00 Comet CATCH
8 MPEC 2025-C160 DAILY ORBIT UPDATE (2025 February 11) 2025-02-11 12:48:00
9 MPEC 2025-D02 DAILY ORBIT UPDATE (2025 February 16) 2025-02-16 12:05:00
10 MPEC 2025-D44 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-02-20 21:36:00 Comet CATCH
11 MPEC 2025-D151 A/2025 A7 2025-02-24 15:18:00 Comet CATCH
12 MPEC 2025-F04 DAILY ORBIT UPDATE (2025 March 17) 2025-03-17 12:03:00
13 MPEC 2025-G102 COMET C/2025 F2 (SWAN) 2025-04-08 23:18:00 Comet CATCH
14 MPEC 2025-G107 DAILY ORBIT UPDATE (2025 April 9) 2025-04-09 12:41:00
15 MPEC 2025-G119 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-11 19:21:00 Comet CATCH
16 MPEC 2025-H23 DAILY ORBIT UPDATE (2025 April 19) 2025-04-19 12:07:00
17 MPEC 2025-H89 DAILY ORBIT UPDATE (2025 April 23) 2025-04-23 12:11:00
18 MPEC 2025-H115 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-24 15:59:00 Comet CATCH
19 MPEC 2025-N01 DAILY ORBIT UPDATE (2025 July 1) 2025-07-01 12:58:00
20 MPEC 2025-N89 Comet 3I/ATLAS 2025-07-11 21:31:00 Comet CATCH
21 MPEC 2025-O05 Comet 3I/ATLAS 2025-07-16 20:21:00 Comet CATCH
22 MPEC 2025-O116 Comet 3I/ATLAS 2025-07-28 20:09:00 Comet CATCH
23 MPEC 2025-O159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-31 18:52:00 Comet CATCH
24 MPEC 2025-R69 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-09 19:18:00 Comet CATCH
25 MPEC 2025-U128 DAILY ORBIT UPDATE (2025 October 21) 2025-10-21 12:39:00
26 MPEC 2025-W55 DAILY ORBIT UPDATE (2025 November 19) 2025-11-19 12:32:00
27 MPEC 2025-W75 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-11-21 21:16:00 Comet CATCH
28 MPEC 2026-A87 DAILY ORBIT UPDATE (2026 January 12) 2026-01-12 12:24:00
29 MPEC 2026-A102 DAILY ORBIT UPDATE (2026 January 13) 2026-01-13 16:25:00
30 MPEC 2026-B203 COMET C/2026 B2 (Sun-Gao) 2026-01-28 22:00:00 Comet CATCH

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
00887 9114 0 2024-12-16 2025-04-22 17.4 651
04954 6517 0 2025-02-10 2025-02-13 17.2 931
01685 5984 0 2024-01-29 2024-02-05 15.9 748
D7170 5520 0 2025-04-07 2025-04-08 16.7 552
01036 4293 0 2025-03-12 2025-03-12 15.3 1431
0029P 3528 0 2025-02-01 2025-04-17 16.6 588
J0161 2760 0 2025-11-12 2025-11-16 18.9 230
D8205 1645 0 2025-10-19 2025-10-19 19.1 329
0003I 989 0 2025-07-09 2025-11-17 18.1 43
09058 948 0 2025-04-17 2025-04-17 17.8 316
06239 840 0 2024-12-29 2024-12-29 20.6 280
~0w23 624 0 2026-01-07 2026-01-08 18.7 104
CK17K020 528 0 2025-02-01 2025-02-01 18.7 176
CK21G020 333 0 2025-04-17 2025-04-17 16.1 111
CK22E020 327 0 2025-02-01 2025-02-01 17.7 109
PK23S010 282 0 2025-02-01 2025-04-17 20.1 47
CK23Q010 264 0 2025-02-01 2025-04-17 19.1 44
CK22Q78E 261 0 2025-02-01 2025-02-01 16.0 87
CK23H050 198 0 2025-04-17 2025-04-17 17.7 66
J8752 195 0 2025-01-31 2025-01-31 21.2 65
CK24A010 177 0 2025-02-01 2025-02-01 17.4 59
CK23T030 144 0 2025-04-17 2025-04-17 18.8 48
0333P 102 0 2025-02-01 2025-02-01 N/A 34
CK24L050 102 0 2025-04-17 2025-04-17 N/A 34
CK24M010 93 0 2024-12-24 2024-12-24 21.3 31
K25D53J 92 0 2025-04-22 2025-04-22 17.6 46
~0j5x 90 0 2025-06-30 2025-06-30 18.4 15
CK25F020 88 0 2025-04-01 2025-04-08 19.1 8
0496P 57 0 2025-04-17 2025-04-17 17.1 19
CK25L020 54 0 2025-06-04 2025-06-04 18.1 18
CK26B020 54 0 2026-01-21 2026-02-26 18.3 2
AK25A070 42 0 2025-01-30 2025-01-31 19.5 7
PK15C60D 28 0 2025-02-19 2025-02-19 N/A 7
K25H00A 24 0 2025-04-17 2025-04-17 21.9 8
PK25C010 22 0 2025-04-17 2025-04-17 19.1 11
PK24O02C 12 0 2024-11-13 2024-11-13 21.9 4

List of Observers

Observer Group Total MPECs
Unknown 15
B.Ai, C.Guo, J.Xiong, T.Zhang, Y.Lu 5
C.Guo, J.Xiong, Y.Lu 4
B.Ai, C.Guo, J.Xiong, Y.Lu 3
C.Guo 2
B.Ai, C.Guo, J.Xiong, T.Zhang, W.Yue, Y.Lu 1
Individual Observer Total MPECs
C.Guo 15
Unknown 15
J.Xiong 13
Y.Lu 13
B.Ai 9
T.Zhang 6
W.Yue 1

List of Measurers

Measurer Group Total MPECs
Unknown 17
J.Xiong 13
Individual Measurer Total MPECs
Unknown 17
J.Xiong 13

List of Facilities

Facilities Count
0.20-m f/4 reflector + CCD 6
0.25-m f/4.8 reflector + CCD 5
0.25-m f/4.8 reflector + CMO 2
0.36-m f/2.2 reflector + CMO 2
Unknown 15