N87 Nanshan Station, Xinjiang Observatory

Where is this observatory?

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 P/R/FU DOU List Update Retraction Other Follow-Up First Follow-Up
2025 0 0 0 0 0 0 0 0 0 0
2024 8 0 0 2 5 0 0 0 1 0
2023 13 0 2 3 7 0 0 0 0 1
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 2 0 0 0 2 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-Y217 DAILY ORBIT UPDATE (2024 December 30) 2024-12-30 12:09:00
2 MPEC 2024-Y132 DAILY ORBIT UPDATE (2024 December 27) 2024-12-27 12:29:00
3 MPEC 2024-Y98 DAILY ORBIT UPDATE (2024 December 25) 2024-12-25 12:24:00
4 MPEC 2024-L04 COMET P/2024 FG9 (Nanshan-Hahn) 2024-06-01 04:41:00 Comet CATCH
5 MPEC 2024-G193 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-13 23:03:00 Comet CATCH
6 MPEC 2024-E157 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-03-12 19:32:00 Comet CATCH
7 MPEC 2024-E109 DAILY ORBIT UPDATE (2024 March 7) 2024-03-07 12:07:00
8 MPEC 2024-A74 DAILY ORBIT UPDATE (2024 January 8) 2024-01-08 12:09:00
9 MPEC 2023-W85 DAILY ORBIT UPDATE (2023 November 22) 2023-11-22 12:06:00
10 MPEC 2023-V127 DAILY ORBIT UPDATE (2023 November 9) 2023-11-09 12:23:00
11 MPEC 2023-V97 2023 VX2 2023-11-07 14:20:00 NEA (H>22) CATCH
12 MPEC 2023-V74 2023 VB2 2023-11-06 23:24:00 NEA (H>22) CATCH
13 MPEC 2023-T120 DAILY ORBIT UPDATE (2023 October 9) 2023-10-09 13:01:00
14 MPEC 2023-T91 DAILY ORBIT UPDATE (2023 October 8) 2023-10-08 12:44:00
15 MPEC 2023-K53 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-19 01:52:00 Comet CATCH
16 MPEC 2023-H131 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-04-21 20:15:00 Comet CATCH
17 MPEC 2023-H04 DAILY ORBIT UPDATE (2023 April 16) 2023-04-16 12:09:00
18 MPEC 2023-E20 2023 DB2 2023-03-02 11:35:00 NEA (18>H>22) CATCH
19 MPEC 2023-D41 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-02-22 07:38:00 Comet CATCH
20 MPEC 2023-C155 DAILY ORBIT UPDATE (2023 February 15) 2023-02-15 12:02:00
21 MPEC 2023-C144 DAILY ORBIT UPDATE (2023 February 14) 2023-02-14 12:13:00
22 MPEC 2017-R26 DAILY ORBIT UPDATE (2017 SEPT. 3 UT) 2017-09-03 12:03:00
23 MPEC 2017-R05 DAILY ORBIT UPDATE (2017 SEPT. 1 UT) 2017-09-01 12:03:00

List of Observers

Observers Count
M. Zhang, G. Sun, X. Gao, X. Zhang, G. J. Feng 3
M. Zhang, G. Sun, W. Zhou, Q. Yin, Z. Yang, L. Tang, Z. Chen, X. Liao, X. Gao, G. J. Feng, C. H. Bai, A. Esamdin, L. Ma, N. Wang 6
M. Zhang, G. Sun, X. Gao, S. G. Ma, G. J. Feng 3
M. Zhang, G. Sun, X. Gao, H. B. Niu, G. J. Feng 3
M. Zhang, G.-Y. Sun, W.-J. Zhou, Z.-S. Yang, Z.-Y. Chen, L.-M. Tang, X. Liao, X. Gao, A. Iskandar, G.-J. Feng, C.-H. Bai, A. Esamdin, L. Ma, N. Wang 3
M. Zhang, G.-Y. Sun, X. Gao, A. Iskandar, G.-J. Feng 3
M. Zhang, G.-Y. Sun, X. Gao, S. Yaqup, G.-J. Feng 3
M. Zhang, G.-Y. Sun, X. Gao, U. Mahmut, G.-J. Feng 6

List of Measurers

Measurers Count
Z. Yang, G. Sun, M. Zhang, W. Zhou 3
M. Zhang 9
M. Zhang, Z. Chen 3
M. Zhang, X. Liao, Z. Yang 3
X. Liao, M. Zhang, L.-M. Tang, Z.-S. Yang, Z.-Y. Chen, W.-J. Zhou 3
M. Zhang, X. Liao 3
M. Zhang, X. Liao, Z.-S. Yang 3
M. Zhang, X. Liao, Z.-S. Yang, W.-J. Zhou 3

List of Facilities

Facilities Count
1.0-m f/2.2 reflector + CCD 30