327 Peking Observatory, Xinglong Station

Last update: UTC 2026-10-29 05:40:57

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 33 0 0 2 30 0 0 0 1 0
2025 2 0 0 0 2 0 0 0 0 0
2024 0 0 0 0 0 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 1 0 0 1 0 0 0 0 0 0
2001 2 0 0 0 2 0 0 0 0 0
2000 8 0 0 1 2 0 0 0 4 1
1999 24 0 0 5 7 0 0 0 9 3
1998 22 0 5 3 8 0 0 0 5 1
1997 19 0 2 12 0 0 0 0 3 2
1996 2 0 0 2 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 1996-A07 1995 YA3 = 1995 VB19 1996-01-05 17:34:00 NEAl18 CATCH
2 MPEC 1996-C03 COMET C/1996 B2 (HYAKUTAKE) 1996-02-07 18:30:00 Comet CATCH
3 MPEC 1997-A03 COMET C/1997 A1 (NEAT) 1997-01-15 17:26:00 Comet CATCH
4 MPEC 1997-B12 1997 BQ 1997-01-22 19:06:00 ✓ PHAl18 CATCH
5 MPEC 1997-B13 1997 BR 1997-01-25 14:16:00 ✓ PHAl18 CATCH
6 MPEC 1997-B16 1997 BR 1997-01-29 22:06:00 PHAl18 CATCH
7 MPEC 1997-D01 1997 CZ5 1997-02-18 15:35:00 Unusual CATCH
8 MPEC 1997-D03 1997 CO5 1997-02-18 16:06:00 Unusual CATCH
9 MPEC 1997-D04 1997 BR 1997-02-18 16:17:00 PHAl18 CATCH
10 MPEC 1997-D05 COMET P/1997 B1 (KOBAYASHI) 1997-02-19 13:51:00 Comet CATCH
11 MPEC 1997-D06 COMET P/1997 C1 (GEHRELS) 1997-02-19 14:12:00 Comet CATCH
12 MPEC 1997-D11 1997 CU26 1997-02-24 22:14:00 ✓ Unusual CATCH
13 MPEC 1997-E01 COMET C/1997 D1 (MUELLER) 1997-03-03 18:52:00 Comet CATCH
14 MPEC 1997-H05 1997 GF3 1997-04-19 18:16:00 Unusual CATCH
15 MPEC 1997-H13 1997 GD32 1997-04-25 13:01:00 PHAg18 CATCH
16 MPEC 1997-L03 COMET C/1997 L1 (XINGLONG) 1997-06-12 21:32:00 Comet CATCH
17 MPEC 1997-R02 1997 RT 1997-09-03 13:12:00 NEA (18>H>22) CATCH
18 MPEC 1997-U05 1997 TT25 1997-10-21 19:22:00 ✓ NEA (18>H>22) CATCH
19 MPEC 1997-V23 COMET P/1997 V1 (LARSEN) 1997-11-12 20:44:00 Comet CATCH
20 MPEC 1998-A08 1997 YM3 1998-01-07 01:27:00 ✓ NEAl18 CATCH
21 MPEC 1998-A10 1997 YX3 1998-01-07 20:02:00 ✓ Unusual CATCH
22 MPEC 1998-C27 1998 CS1 1998-02-13 15:36:00 ✓ PHAl18 CATCH
23 MPEC 1998-E07 1998 CS1 1998-03-03 16:45:00 PHAl18 CATCH
24 MPEC 1998-E08 1998 EC3 1998-03-03 20:05:00 NEAl18 CATCH
25 MPEC 1998-F06 1998 EC3 1998-03-19 15:56:00 NEAl18 CATCH
26 MPEC 1998-H30 DAILY ORBIT UPDATE (1998 APR. 28 UT) 1998-04-28 06:07:00
27 MPEC 1998-S20 1998 SD4 1998-09-22 17:38:00 ✓ Unusual CATCH
28 MPEC 1998-T08 DAILY ORBIT UPDATE (1998 OCT. 5 UT) 1998-10-05 06:05:00
29 MPEC 1998-X10 1998 WT24 1998-12-04 15:42:00 PHAl18 CATCH
30 MPEC 1998-X11 1998 WU24 1998-12-04 16:34:00 Unusual CATCH
31 MPEC 1998-X20 1998 XB 1998-12-05 17:17:00 ✓ NEAl18 CATCH
32 MPEC 1998-X22 DAILY ORBIT UPDATE (1998 DEC. 7 UT) 1998-12-07 07:08:00
33 MPEC 1998-X30 DAILY ORBIT UPDATE (1998 DEC. 11 UT) 1998-12-11 06:59:00
34 MPEC 1998-X35 DAILY ORBIT UPDATE (1998 DEC. 13 UT) 1998-12-13 07:04:00
35 MPEC 1998-X39 1998 XZ4 1998-12-14 16:30:00 ✓ NEAl18 CATCH
36 MPEC 1998-X40 1998 XA5 1998-12-14 16:37:00 NEA (18>H>22) CATCH
37 MPEC 1998-Y04 DAILY ORBIT UPDATE (1998 DEC. 17 UT) 1998-12-17 07:06:00
38 MPEC 1998-Y25 DAILY ORBIT UPDATE (1998 DEC. 23 UT) 1998-12-23 07:06:00
39 MPEC 1998-Y33 DAILY ORBIT UPDATE (1998 DEC. 28 UT) 1998-12-28 07:06:00
40 MPEC 1998-Y41 COMET P/1998 Y2 (LI) 1998-12-30 16:48:00 Comet CATCH
41 MPEC 1999-B01 DAILY ORBIT UPDATE (1999 JAN. 16 UT) 1999-01-16 07:06:00
42 MPEC 1999-B28 DAILY ORBIT UPDATE (1999 JAN. 29 UT) 1999-01-29 07:06:00
43 MPEC 1999-F18 DAILY ORBIT UPDATE (1999 MAR. 21 UT) 1999-03-21 07:07:00
44 MPEC 1999-F34 1999 FJ21 1999-03-27 18:10:00 NEA (18>H>22) CATCH
45 MPEC 1999-F35 1999 FK21 1999-03-27 18:21:00 NEA (18>H>22) CATCH
46 MPEC 1999-H05 DAILY ORBIT UPDATE (1999 APR. 18 UT) 1999-04-18 06:07:00
47 MPEC 1999-H13 1999 GT6 1999-04-21 21:18:00 ✓ NEAl18 CATCH
48 MPEC 1999-H27 DAILY ORBIT UPDATE (1999 APR. 25 UT) 1999-04-25 06:07:00
49 MPEC 1999-H29 COMET C/1999 H3 (LINEAR) 1999-04-25 19:03:00 Comet CATCH
50 MPEC 1999-H31 1999 HX2 1999-04-26 20:22:00 Unusual CATCH
51 MPEC 1999-K22 COMET C/1999 K2 (FERRIS) 1999-05-22 14:58:00 Comet CATCH
52 MPEC 1999-K28 1999 KW4 1999-05-22 16:56:00 ✓ PHAl18 CATCH
53 MPEC 1999-K29 1999 KX4 1999-05-22 17:10:00 ✓ NEAl18 CATCH
54 MPEC 1999-N05 DAILY ORBIT UPDATE (1999 JULY 3 UT) 1999-07-03 06:06:00
55 MPEC 1999-S14 DAILY ORBIT UPDATE (1999 SEPT. 23 UT) 1999-09-23 06:07:00
56 MPEC 1999-S18 COMET C/1999 S3 (LINEAR) 1999-09-26 18:11:00 Comet CATCH
57 MPEC 1999-T15 1999 SG10 1999-10-04 14:45:00 PHAg18 CATCH
58 MPEC 1999-T16 1999 SH10 1999-10-04 14:55:00 NEA (H>22) CATCH
59 MPEC 1999-T18 1999 SK10 1999-10-04 15:02:00 NEA (18>H>22) CATCH
60 MPEC 1999-T26 COMET C/1999 S4 (LINEAR) 1999-10-06 20:47:00 Comet CATCH
61 MPEC 1999-V29 COMET C/1999 V1 (CATALINA) 1999-11-09 19:32:00 Comet CATCH
62 MPEC 2000-A41 1999 JB, 1999 RG33, 1999 VL12 2000-01-11 17:36:00 NEAl18 CATCH
63 MPEC 2000-R35 DAILY ORBIT UPDATE (2000 SEPT. 8 UT) 2000-09-08 06:25:00
64 MPEC 2000-U33 DAILY ORBIT UPDATE (2000 OCT. 29 UT) 2000-10-29 06:08:00
65 MPEC 2000-U34 2000 UV13 2000-10-29 19:10:00 NEAl18 CATCH
66 MPEC 2000-V12 2000 VM2 2000-11-03 13:40:00 NEAl18 CATCH
67 MPEC 2000-Y08 2000 XH47 2000-12-19 01:21:00 NEA (18>H>22) CATCH
68 MPEC 2000-Y09 2000 XK47 2000-12-19 01:38:00 ✓ PHAg18 CATCH
69 MPEC 2001-B35 DAILY ORBIT UPDATE (2001 JAN. 24 UT) 2001-01-24 07:20:00
70 MPEC 2001-T27 DAILY ORBIT UPDATE (2001 OCT. 10 UT) 2001-10-10 06:47:00
71 MPEC 2002-C03 COMET C/2002 C1 (IKEYA-ZHANG) 2002-02-02 18:14:00 Comet CATCH
72 MPEC 2025-X44 DAILY ORBIT UPDATE (2025 December 4) 2025-12-04 12:08:00
73 MPEC 2025-X46 DAILY ORBIT UPDATE (2025 December 5) 2025-12-05 12:09:00
74 MPEC 2026-F262 DAILY ORBIT UPDATE (2026 March 30) 2026-03-30 12:22:00
75 MPEC 2026-F278 DAILY ORBIT UPDATE (2026 March 31) 2026-03-31 12:23:00
76 MPEC 2026-G01 DAILY ORBIT UPDATE (2026 April 1) 2026-04-01 12:22:00
77 MPEC 2026-G05 DAILY ORBIT UPDATE (2026 April 2) 2026-04-02 12:23:00
78 MPEC 2026-G14 DAILY ORBIT UPDATE (2026 April 4) 2026-04-04 12:23:00
79 MPEC 2026-G26 DAILY ORBIT UPDATE (2026 April 7) 2026-04-07 12:24:00
80 MPEC 2026-G32 DAILY ORBIT UPDATE (2026 April 8) 2026-04-08 12:26:00
81 MPEC 2026-G101 DAILY ORBIT UPDATE (2026 April 11) 2026-04-11 12:28:00
82 MPEC 2026-G119 DAILY ORBIT UPDATE (2026 April 12) 2026-04-12 12:28:00
83 MPEC 2026-H85 DAILY ORBIT UPDATE (2026 April 21) 2026-04-21 12:07:00
84 MPEC 2026-H173 DAILY ORBIT UPDATE (2026 April 28) 2026-04-28 12:09:00
85 MPEC 2026-H177 DAILY ORBIT UPDATE (2026 April 29) 2026-04-29 12:08:00
86 MPEC 2026-J10 DAILY ORBIT UPDATE (2026 May 5) 2026-05-05 12:09:00
87 MPEC 2026-J56 DAILY ORBIT UPDATE (2026 May 9) 2026-05-09 12:11:00
88 MPEC 2026-L03 DAILY ORBIT UPDATE (2026 June 2) 2026-06-02 12:16:00
89 MPEC 2026-M59 DAILY ORBIT UPDATE (2026 June 21) 2026-06-21 12:18:00
90 MPEC 2026-N12 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2026-07-06 18:47:00 Comet CATCH
91 MPEC 2026-Q115 DAILY ORBIT UPDATE (2026 August 30) 2026-08-30 12:04:00
92 MPEC 2026-R01 DAILY ORBIT UPDATE (2026 September 1) 2026-09-01 12:06:00
93 MPEC 2026-R13 DAILY ORBIT UPDATE (2026 September 3) 2026-09-03 12:06:00
94 MPEC 2026-R24 DAILY ORBIT UPDATE (2026 September 4) 2026-09-04 12:07:00
95 MPEC 2026-R26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2026-09-04 15:17:00 Comet CATCH
96 MPEC 2026-R133 DAILY ORBIT UPDATE (2026 September 10) 2026-09-10 12:13:00
97 MPEC 2026-R142 DAILY ORBIT UPDATE (2026 September 11) 2026-09-11 12:12:00
98 MPEC 2026-R160 DAILY ORBIT UPDATE (2026 September 12) 2026-09-12 12:12:00
99 MPEC 2026-R168 DAILY ORBIT UPDATE (2026 September 13) 2026-09-13 12:13:00
100 MPEC 2026-R221 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2026-09-15 20:24:00 Comet CATCH
101 MPEC 2026-S134 DAILY ORBIT UPDATE (2026 September 22) 2026-09-22 12:16:00
102 MPEC 2026-T02 DAILY ORBIT UPDATE (2026 October 1) 2026-10-01 12:16:00
103 MPEC 2026-T09 DAILY ORBIT UPDATE (2026 October 2) 2026-10-02 12:21:00
104 MPEC 2026-T35 DAILY ORBIT UPDATE (2026 October 4) 2026-10-04 12:22:00
105 MPEC 2026-T62 DAILY ORBIT UPDATE (2026 October 5) 2026-10-05 12:19:00
106 MPEC 2026-U51 DAILY ORBIT UPDATE (2026 October 20) 2026-10-20 12:21:00

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
J98X00B 9636 146 1998-12-01 1999-01-21 15.8 146
J98C01S 187 17 1998-02-09 1998-02-15 20.7 17
J97T25T 210 15 1997-10-12 1997-10-21 20.8 15
J97Y03M 204 12 1997-12-20 1998-01-06 20.8 12
J97B00R 140 4 1997-01-20 1997-02-13 N/A 4
J98S04D 14 1 1998-09-17 1998-09-21 18.6 1
J97Y03X 9 1 1997-12-22 1998-01-04 N/A 1
J95V19B 6 1 1995-11-07 1995-11-11 N/A 1
11398 26574 0 2025-12-25 2026-08-30 16.9 618
01627 17328 0 2025-02-03 2025-04-27 15.5 1444
01866 17150 0 2025-01-19 2025-03-23 17.9 1225
04183 16128 0 2025-11-19 2025-12-23 18.9 768
00887 14344 0 2025-01-18 2025-05-24 N/A 652
01943 13930 0 2026-01-04 2026-10-01 18.2 995
E3678 9177 0 2025-01-19 2026-10-04 17.5 437
85709 8806 0 2025-03-22 2025-05-25 19.6 629
35107 8796 0 2026-01-29 2026-02-18 17.6 733
01036 8772 0 2025-01-18 2025-02-25 11.0 1462
D7062 6920 0 2025-11-19 2025-12-20 18.7 346
04954 6881 0 2025-01-28 2025-04-28 N/A 983
00433 6230 0 2026-01-20 2026-01-20 N/A 1246
03122 5778 0 2025-01-22 2025-03-29 18.1 963
05863 5395 0 2026-03-08 2026-03-11 17.5 415
05693 5356 0 2026-04-06 2026-04-07 19.6 412
01863 5008 0 2026-02-11 2026-04-01 17.2 313
02212 4800 0 2025-11-21 2025-12-03 17.2 800
Q7729 4770 0 2026-09-02 2026-09-21 18.3 106
03200 4656 0 2025-01-21 2025-02-08 14.6 1164
B2985 4576 0 2025-06-03 2025-12-02 17.9 352
05332 4544 0 2025-02-20 2025-04-30 20.4 568
23714 3975 0 2026-02-11 2026-03-15 18.6 265
04179 3720 0 2025-02-08 2025-03-22 21.0 744
21088 3520 0 2025-01-22 2025-02-09 17.3 880
J0161 3465 0 2025-11-16 2025-12-20 18.2 231
34613 3240 0 2026-02-15 2026-02-19 18.6 324
D8205 2970 0 2025-11-16 2025-12-08 14.8 330
01981 2864 0 2025-01-17 2025-04-14 19.0 358
07358 2860 0 2025-01-19 2025-02-25 21.2 572
n6818 2772 0 2026-02-08 2026-02-17 20.9 132
89355 2754 0 2026-06-01 2026-06-01 18.5 459
E1765 2700 0 2025-12-03 2025-12-31 18.9 225
F2679 2691 0 2025-11-24 2025-11-27 N/A 299
G2038 2574 0 2026-01-24 2026-03-10 19.8 286
98943 2493 0 2025-11-19 2025-11-23 18.2 277
G2635 2413 0 2026-03-08 2026-04-20 17.8 127
D7170 2228 0 2025-05-02 2025-06-04 16.5 557
D7802 2040 0 2026-01-21 2026-01-24 19.3 170
18736 1974 0 2025-11-21 2025-12-10 20.3 329
55532 1947 0 2025-12-23 2026-01-05 19.4 177
D7805 1850 0 2025-01-17 2025-03-18 16.2 370
02368 1828 0 2026-08-31 2026-08-31 16.3 457
01917 1770 0 2026-05-08 2026-05-08 21.5 590
G4400 1764 0 2026-03-10 2026-03-11 20.9 294
0002P 1664 0 2026-09-09 2026-09-11 17.0 208
V0737 1634 0 2026-03-15 2026-04-11 18.9 86
66251 1605 0 2026-08-31 2026-08-31 17.1 535
99935 1588 0 2025-01-17 2025-01-28 20.1 397
06050 1587 0 2025-01-20 2025-02-08 20.3 529
01865 1564 0 2026-08-30 2026-08-30 16.0 391
E1495 1540 0 2026-04-28 2026-05-04 17.4 154
01862 1524 0 2026-01-21 2026-01-21 20.2 508
L3053 1495 0 2026-02-15 2026-03-10 20.6 65
68216 1383 0 2025-02-08 2025-03-22 18.6 461
s9328 1380 0 2026-01-26 2026-03-10 22.6 138
05131 1356 0 2026-02-02 2026-02-02 17.0 452
05646 1281 0 2026-01-21 2026-01-21 20.2 427
09058 1264 0 2025-05-24 2025-06-03 17.8 316
40267 1144 0 2025-02-05 2025-03-05 17.8 572
K08Y02R 1120 0 2025-12-29 2026-01-23 20.4 80
K00G02B 1050 0 2026-09-03 2026-09-12 18.0 50
F2931 1041 0 2025-01-21 2025-03-20 18.0 347
04486 1008 0 2026-01-21 2026-01-21 17.7 336
S5625 987 0 2026-01-22 2026-02-17 21.4 141
0123P 963 0 2025-12-14 2025-12-16 15.9 107
88710 864 0 2025-11-19 2025-11-19 19.6 288
o0080 854 0 2026-02-18 2026-06-20 18.6 122
22753 795 0 2025-11-16 2025-11-16 19.5 265
01864 787 0 2025-01-19 2025-01-19 16.1 787
0491P 748 0 2026-09-01 2026-09-11 19.0 34
15817 738 0 2026-08-30 2026-08-30 18.6 246
Q5196 705 0 2025-02-03 2025-02-20 16.4 141
H5706 678 0 2025-01-19 2025-01-29 19.5 339
L4088 672 0 2025-01-18 2025-01-29 21.4 336
F5341 668 0 2025-01-28 2025-03-05 18.7 167
F2889 648 0 2026-03-06 2026-03-06 18.2 216
90367 621 0 2025-02-05 2025-03-22 19.2 207
m4795 612 0 2025-03-18 2025-04-25 18.4 102
52340 600 0 2026-04-03 2026-04-03 15.3 200
F5110 579 0 2025-11-29 2025-11-29 18.3 193
0217P 570 0 2026-02-16 2026-02-16 16.3 95
06239 566 0 2025-01-19 2025-02-02 20.0 283
10302 564 0 2025-12-14 2025-12-14 19.4 188
26760 564 0 2025-04-07 2025-05-23 18.5 282
U5090 525 0 2025-04-01 2025-04-24 21.5 175
V0842 516 0 2026-01-22 2026-02-13 17.6 86
05604 494 0 2025-03-18 2025-03-22 18.9 247
m0858 468 0 2026-02-15 2026-02-18 21.6 39
q8756 468 0 2026-02-10 2026-02-11 19.9 78
q3604 459 0 2026-01-14 2026-01-14 21.1 153
12923 443 0 2025-01-19 2025-01-19 19.4 443
D8877 441 0 2025-11-19 2025-11-19 18.6 147
D7925 432 0 2025-01-29 2025-01-29 18.3 432
R5677 432 0 2026-09-02 2026-09-09 19.7 72
04544 431 0 2025-02-20 2025-02-20 17.3 431
~10LC 426 0 2026-01-10 2026-01-12 22.2 71
f7581 408 0 2025-02-02 2025-02-04 18.5 136
CK26C010 405 0 2026-04-07 2026-06-01 17.6 15
85275 402 0 2025-06-02 2025-06-02 19.1 402
85953 396 0 2025-04-06 2025-04-07 20.6 198
CK25Y010 380 0 2026-03-09 2026-06-01 N/A 20
G2142 375 0 2025-11-20 2025-11-20 17.9 125
B1253 366 0 2025-01-19 2025-01-19 17.2 366
J99S10K 366 0 1999-10-02 1999-10-02 19.8 122
K08W59B 360 0 2025-11-23 2025-11-23 18.8 120
P9802 352 0 2025-01-28 2025-02-08 18.4 88
D7126 348 0 2025-01-28 2025-02-07 22.6 116
0048P 342 0 2025-12-07 2025-12-07 17.8 114
W6290 330 0 2026-04-27 2026-05-08 18.1 55
Y5853 312 0 2026-08-29 2026-08-29 15.3 104
K12BC4C 310 0 2026-01-26 2026-01-26 18.4 62
36183 309 0 2025-01-22 2025-01-22 18.2 309
0143P 300 0 2026-02-13 2026-02-13 20.2 100
J99K04W 291 0 1999-05-21 1999-05-21 17.7 97
68359 285 0 2025-04-24 2025-04-24 18.7 285
68278 276 0 2025-03-05 2025-03-05 19.1 276
U7070 276 0 2026-01-21 2026-01-21 19.4 92
J99K04X 270 0 1999-05-21 1999-05-21 17.5 90
J98E03C 261 0 1998-03-01 1998-03-08 N/A 29
D9289 254 0 2025-06-02 2025-06-03 20.9 127
F4555 241 0 2025-04-25 2025-04-25 19.2 241
K00DA7P 240 0 2000-10-04 2000-10-04 19.6 80
n6869 235 0 2025-01-20 2025-03-04 17.7 47
G2004 233 0 2025-01-19 2025-01-19 18.0 233
K25B00G 228 0 2025-01-28 2025-02-08 17.8 38
J98Q52S 224 0 1998-09-25 1998-09-25 20.0 56
j8122 224 0 2025-01-19 2025-02-04 17.1 112
96315 223 0 2025-03-05 2025-03-05 20.2 223
86450 221 0 2025-03-18 2025-03-18 19.4 221
~0FYI 216 0 2026-09-09 2026-09-11 19.2 24
D7052 209 0 2025-01-20 2025-01-20 19.3 209
A3067 195 0 2025-01-18 2025-01-18 16.4 195
z8350 195 0 2025-03-04 2025-03-18 17.4 65
16657 193 0 2025-02-20 2025-02-20 21.4 193
10145 174 0 2025-01-22 2025-01-22 21.6 174
K00Q07W 153 0 2000-10-04 2000-10-04 N/A 51
z4313 153 0 2026-01-19 2026-01-19 21.2 51
J99F00A 152 0 1999-03-19 1999-03-19 N/A 38
J99F21J 150 0 1999-03-26 1999-03-26 18.4 50
J98X05A 144 0 1998-12-13 1998-12-13 N/A 36
J99F21K 144 0 1999-03-26 1999-03-26 N/A 48
K00X47K 140 0 2000-12-16 2000-12-19 18.9 20
PK25Y020 140 0 2026-04-10 2026-04-22 18.0 14
0145P 138 0 2025-11-25 2025-11-25 17.7 46
J98W24T 138 0 1998-12-02 1998-12-02 16.4 46
K00C33L 119 0 1995-09-28 1995-10-17 20.8 17
66407 115 0 2025-01-22 2025-01-22 19.0 115
J98X04Z 108 0 1998-12-13 1998-12-13 17.3 27
K00U13V 108 0 2000-10-28 2000-10-28 N/A 27
K00X47H 100 0 2000-12-16 2000-12-16 18.7 25
K24W20C 100 0 2025-02-04 2025-02-05 18.3 50
d1449 100 0 2025-04-29 2025-05-23 18.7 50
V3538 94 0 2025-01-29 2025-01-29 17.9 94
a1532 94 0 2025-03-05 2025-03-05 19.1 94
K00Q01J 87 0 1998-07-20 1998-07-20 19.1 29
K25B10C 84 0 2025-03-29 2025-04-01 15.6 42
I8174 79 0 2025-05-19 2025-05-19 18.8 79
CK24X020 75 0 2026-02-10 2026-02-10 19.1 25
o6074 73 0 2025-03-21 2025-03-21 21.6 73
J99H02A 72 0 1999-04-24 1999-04-24 18.3 24
J99R36Q 72 0 1999-09-19 1999-09-19 25.0 24
J99M00M 69 0 1999-06-26 1999-06-26 21.8 23
J98H03L 66 0 1998-04-24 1998-04-24 20.5 22
~0hmF 65 0 2025-02-03 2025-03-04 17.9 13
CK02C010 63 0 2002-02-02 2002-02-02 14.1 21
CK25V020 60 0 2026-03-10 2026-03-10 N/A 20
J99G06T 60 0 1999-04-17 1999-04-17 19.2 20
J99S10H 54 0 1999-10-02 1999-10-02 N/A 18
~0FLE 54 0 2026-10-03 2026-10-03 17.7 18
K25E05V 52 0 2025-04-29 2025-04-29 18.6 52
J99S10G 51 0 1999-10-02 1999-10-02 20.3 17
p5335 47 0 2025-01-29 2025-01-29 22.1 47
g8694 45 0 2025-03-05 2025-03-05 19.2 45
J97B00Q 44 0 1997-01-20 1997-01-20 21.3 11
J99G05Y 42 0 1999-04-17 1999-04-17 22.5 14
K15B92D 42 0 2025-01-28 2025-01-28 18.9 42
K11E11L 38 0 2025-02-02 2025-02-02 17.9 38
J97R00T 36 0 1997-09-02 1997-09-02 21.5 12
K20X05T 34 0 2025-02-05 2025-02-05 22.5 34
K22C01N 32 0 2025-01-28 2025-01-28 18.8 32
K00V02M 30 0 2000-11-02 2000-11-02 21.8 10
~17M6 21 0 2026-02-13 2026-02-13 21.7 7
J97C05O 16 0 1997-02-12 1997-02-12 N/A 4
CJ97L010 9 0 1997-06-03 1997-06-09 N/A 1
J97C05Z 9 0 1997-02-12 1997-02-12 15.4 3
J97C26U 9 0 1997-02-17 1997-02-17 N/A 3
CJ97A010 8 0 1997-01-11 1997-01-11 19.8 2
PJ97C010 8 0 1997-02-02 1997-02-04 18.3 1
CJ99V010 7 0 1999-11-07 1999-11-08 18.0 1
CJ99S040 6 0 1999-10-01 1999-10-01 N/A 6
J97G03F 6 0 1997-04-06 1997-04-06 N/A 2
J97G32D 6 0 1997-04-17 1997-04-17 N/A 3
J99R33G 6 0 1997-04-13 1997-04-13 N/A 2
PJ98Y020 6 0 1998-12-29 1998-12-29 18.4 2
~0kq8 6 0 2025-02-02 2025-02-20 17.6 2
CJ97D010 5 0 1997-02-20 1997-02-20 15.5 1
CJ96B020 4 0 1996-02-02 1996-02-02 N/A 4
CJ99H030 4 0 1999-04-24 1999-04-24 17.3 2
CJ99S030 4 0 1999-09-25 1999-09-25 13.6 2
PJ97B010 4 0 1997-02-04 1997-02-04 N/A 1
CJ99K020 3 0 1999-05-21 1999-05-21 16.8 1
J98W24U 3 0 1998-12-02 1998-12-02 18.1 1
J99H02X 3 0 1999-04-24 1999-04-24 16.8 1
PJ97V010 3 0 1997-11-04 1997-11-04 N/A 1
~0li5 2 0 2025-01-27 2025-01-27 16.9 2

List of Observers

Observer Group Total MPECs
Unknown 51
J.Zhu, X.M.Teng 10
J.Zhu, X.Y.Li 6
C.H.Liu, J.Zhu 3
J.Zhu, L.J.Ma 3
Pengfei Liu, WSGP Team, Xiangnan Guan, Xiaoming Teng 3
C.M.Ma, H.J.Yan 2
J.Zhu, Y.J.Chen 2
B.Zhao, X.Y.Li 1
C.M.Ma.Y.J.Chen, H.J.Yan, X.Y.Li 1
H.J.Yan, X.Y.Li 1
C.M.Ma, J.Zhu 1
C.H.Liu, H.Wu, J.Zhu, R.Wang, S.L.Kong 1
J.Zhu, L.C.Deng, L.J.Ma, R.Chen 1
J.Zhu, L.J.Ma, Y.J.Chen, Z.Y.Zheng 1
J.Zhu, S.L.Kong 1
C.M.Ma, H.J.Yan, J.Yan, J.Zhu, L.C.Deng, T.G.Wang, W.Xu, X.Zhou, Y.J.Chen, Y.P.Li, Z.H.Shang 1
J.Zhu, X.M.Teng, X.Y.Li 1
J.Zhu, X.Y.Li, Y.J.Chen 1
J.Zhu, Y.J.Chen, Z.Y.Zheng 1
C.M.Ma, L.C.Deng, R.Chen, X.Y.Li, X.Zhou, Y.J.Chen 1
B.Zhao, J.Zhu, L.C.Deng, R.Chen, X.M.Teng, X.Y.Li, X.Zhou, Y.J.Chen 1
B.Zhao, J.Zhu, L.C.Deng, R.Chen, X.M.Teng, X.Y.Li, X.Zhou, Y.J.Chen, Z.Zheng 1
C.M.Ma, H.J.Yan, J.Zhu, L.J.Ma, R.Chen, X.Y.Li, Y.J.Chen 1
J.Zhu, R.Chen, X.Y.Li 1
J.Zhu, X.M.Teng, X.S.Liu 1
J.Zhu, X.Y.Li, X.Zhou 1
J.Zhu, R.H.Liu, X.Y.Li, X.Zhou, Y.K.Kim 1
X.Zhou, Y.J.Chen 1
H.T.Zhang, J.Zhu, X.M.Teng, Y.J.Chen, Z.Y.Zheng 1
Q.Qiao, Y.Qiu 1
C.M.Ma, H.J.Yan, J.Zhu, X.Y.Li, Y.J.Chen, Z.Y.Zheng 1
B.Zhao, R.Chen, X.M.Teng, X.Y.Li, X.Zhou, Y.J.Chen, Z.Y.Zheng 1
Y.J.Chen, Z.Y.Zheng 1
Individual Observer Total MPECs
Unknown 51
J.Zhu 42
X.Y.Li 20
X.M.Teng 16
Y.J.Chen 15
X.Zhou 8
C.M.Ma 7
H.J.Yan 7
R.Chen 7
L.J.Ma 6
Z.Y.Zheng 6
L.C.Deng 5
B.Zhao 4
C.H.Liu 4
Pengfei Liu 3
WSGP Team 3
Xiangnan Guan 3
Xiaoming Teng 3
S.L.Kong 2
C.M.Ma.Y.J.Chen 1
H.Wu 1
R.Wang 1
J.Yan 1
T.G.Wang 1
W.Xu 1
Y.P.Li 1
Z.H.Shang 1
Z.Zheng 1
X.S.Liu 1
R.H.Liu 1
Y.K.Kim 1
H.T.Zhang 1
Q.Qiao 1
Y.Qiu 1

List of Measurers

Measurer Group Total MPECs
Unknown 77
X.Y.Li, Y.J.Chen 4
J.Zhu, X.M.Teng, X.Y.Li 3
Hu Zou, Jingyi Zhang, Niu Li, WSGP Team, Yun-Ao Xiao 3
Y.J.Chen 3
C.M.Ma 2
J.Zhu, X.M.Teng, X.Y.Li, Y.J.Chen 2
J.Zhu, Y.J.Chen 2
C.M.Ma, J.Zhu, X.Y.Li 1
C.M.Ma, X.Y.Li 1
C.Y.Li 1
J.Zhu 1
J.Zhu, X.M.Teng 1
C.M.Ma, L.J.Ma, X.Y.Li, Y.J.Chen 1
X.M.Teng, X.Y.Li, Y.J.Chen 1
C.M.Ma, Y.J.Chen 1
C.M.Ma, J.Zhu, X.Y.Li, Y.J.Chen 1
C.M.Ma, J.L.Wang, J.Zhu, R.H.Liu, Y.J.Chen, Y.P.Li, Z.H.Shang 1
Individual Measurer Total MPECs
Unknown 77
Y.J.Chen 16
X.Y.Li 14
J.Zhu 12
C.M.Ma 8
X.M.Teng 7
Hu Zou 3
Jingyi Zhang 3
Niu Li 3
WSGP Team 3
Yun-Ao Xiao 3
C.Y.Li 1
L.J.Ma 1
J.L.Wang 1
R.H.Liu 1
Y.P.Li 1
Z.H.Shang 1

List of Facilities

Facilities Count
0.6-m Schmidt + CCD 50
0.6-m f/3 Schmidt + 9216 x 9232 CCD 3
0.60-m Schmidt 1
0.60-m Schmidt + CCD 1
Unknown 51