P13 Baihuashan Observatory, Beijing
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 | 132 | 0 | 0 | 4 | 20 | 0 | 0 | 0 | 104 | 4 |
| 2024 | 113 | 0 | 0 | 1 | 12 | 0 | 0 | 0 | 86 | 14 |
| 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-E109 DAILY ORBIT UPDATE (2024 March 7) | 2024-03-07 12:07:00 | 2 | MPEC 2024-E123 DAILY ORBIT UPDATE (2024 March 8) | 2024-03-08 12:10:00 | 3 | MPEC 2024-E140 DAILY ORBIT UPDATE (2024 March 10) | 2024-03-10 12:09:00 | 4 | MPEC 2024-E146 2024 EA3 | 2024-03-11 19:26:00 | ✓ | NEA (H>22) | CATCH | 5 | MPEC 2024-E149 2024 ED3 | 2024-03-12 00:56:00 | NEA (H>22) | CATCH | 6 | MPEC 2024-E158 2024 EH3 | 2024-03-12 20:57:00 | NEA (H>22) | CATCH | 7 | MPEC 2024-E159 2024 EJ3 | 2024-03-12 20:58:00 | NEA (H>22) | CATCH | 8 | MPEC 2024-E186 2024 EG4 | 2024-03-14 21:43:00 | NEA (H>22) | CATCH | 9 | MPEC 2024-E188 2024 EJ4 | 2024-03-14 22:06:00 | NEA (H>22) | CATCH | 10 | MPEC 2024-F15 2024 FD | 2024-03-18 13:07:00 | ✓ | NEA (H>22) | CATCH | 11 | MPEC 2024-F101 2024 FZ2 | 2024-03-29 23:04:00 | NEA (H>22) | CATCH | 12 | MPEC 2024-F112 2024 FK3 | 2024-03-31 12:50:00 | NEA (18>H>22) | CATCH | 13 | MPEC 2024-F121 2024 ED6 | 2024-03-31 23:02:00 | NEA (H>22) | CATCH | 14 | MPEC 2024-G01 2024 FR3 | 2024-04-01 00:00:00 | ✓ | NEA (H>22) | CATCH | 15 | MPEC 2024-H01 2024 GG6 | 2024-04-16 02:34:00 | NEA (H>22) | CATCH | 16 | MPEC 2024-J30 2024 JE | 2024-05-02 23:26:00 | ✓ | NEA (H>22) | CATCH | 17 | MPEC 2024-J50 2024 JV | 2024-05-03 17:44:00 | PHAg18 | CATCH | 18 | MPEC 2024-J84 2024 JW1 | 2024-05-05 17:03:00 | PHAg18 | CATCH | 19 | MPEC 2024-J122 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2024-05-07 20:00:00 | Comet | CATCH | 20 | MPEC 2024-J146 2024 JL3 | 2024-05-08 10:52:00 | NEA (H>22) | CATCH | 21 | MPEC 2024-J149 2024 JN3 | 2024-05-08 10:55:00 | NEA (H>22) | CATCH | 22 | MPEC 2024-J167 2024 JT3 | 2024-05-08 15:47:00 | NEA (H>22) | CATCH | 23 | MPEC 2024-J245 2024 JX8 | 2024-05-10 11:55:00 | NEA (H>22) | CATCH | 24 | MPEC 2024-J296 DAILY ORBIT UPDATE (2024 May 13) | 2024-05-13 12:03:00 | 25 | MPEC 2024-J299 2024 JY16 | 2024-05-13 23:46:00 | NEA (H>22) | CATCH | 26 | MPEC 2024-J301 2024 JB17 | 2024-05-14 07:36:00 | NEA (H>22) | CATCH | 27 | MPEC 2024-L24 2024 LC | 2024-06-02 16:16:00 | PHAg18 | CATCH | 28 | MPEC 2024-L60 2024 LC1 | 2024-06-06 09:16:00 | PHAg18 | CATCH | 29 | MPEC 2024-L63 2024 LE1 | 2024-06-06 11:45:00 | NEA (H>22) | CATCH | 30 | MPEC 2024-L72 2024 LJ1 | 2024-06-06 22:33:00 | NEA (H>22) | CATCH | 31 | MPEC 2024-L87 2024 LZ1 | 2024-06-08 11:13:00 | NEA (H>22) | CATCH | 32 | MPEC 2024-L118 DAILY ORBIT UPDATE (2024 June 11) | 2024-06-11 12:07:00 | 33 | MPEC 2024-M11 DAILY ORBIT UPDATE (2024 June 17) | 2024-06-17 12:11:00 | 34 | MPEC 2024-M29 2024 MH | 2024-06-19 14:22:00 | NEA (18>H>22) | CATCH | 35 | MPEC 2024-O12 DAILY ORBIT UPDATE (2024 July 18) | 2024-07-18 12:04:00 | 36 | MPEC 2024-O41 COMET C/2024 N4 (Sarneczky) | 2024-07-24 00:04:00 | Comet | CATCH | 37 | MPEC 2024-P111 DAILY ORBIT UPDATE (2024 August 9) | 2024-08-09 12:09:00 | 38 | MPEC 2024-P164 2024 PR4 | 2024-08-14 13:56:00 | ✓ | NEA (H>22) | CATCH | 39 | MPEC 2024-P166 2024 PP5 | 2024-08-14 21:06:00 | ✓ | NEA (H>22) | CATCH | 40 | MPEC 2024-P167 2024 PQ5 | 2024-08-14 21:16:00 | NEA (H>22) | CATCH | 41 | MPEC 2024-P169 2024 PS5 | 2024-08-14 22:26:00 | NEA (H>22) | CATCH | 42 | MPEC 2024-Q53 2024 QS | 2024-08-28 06:01:00 | NEA (H>22) | CATCH | 43 | MPEC 2024-Q59 2024 QU | 2024-08-28 22:24:00 | ✓ | NEA (H>22) | CATCH | 44 | MPEC 2024-Q87 COMET P/2024 Q1 (PANSTARRS) | 2024-08-31 04:43:00 | Comet | CATCH | 45 | MPEC 2024-R23 2024 RE | 2024-09-02 16:17:00 | NEA (H>22) | CATCH | 46 | MPEC 2024-R28 2024 RK | 2024-09-03 04:40:00 | NEA (H>22) | CATCH | 47 | MPEC 2024-R56 2024 RM1 | 2024-09-04 05:42:00 | NEA (H>22) | CATCH | 48 | MPEC 2024-R294 2024 RA14 | 2024-09-12 15:47:00 | NEA (H>22) | CATCH | 49 | MPEC 2024-R345 2024 RB22 | 2024-09-14 05:55:00 | NEA (H>22) | CATCH | 50 | MPEC 2024-S41 2024 SH | 2024-09-24 02:30:00 | NEA (H>22) | CATCH | 51 | MPEC 2024-S42 2024 RH45 | 2024-09-24 02:31:00 | NEA (H>22) | CATCH | 52 | MPEC 2024-S52 2024 SR | 2024-09-25 02:45:00 | NEA (H>22) | CATCH | 53 | MPEC 2024-S65 2024 SC1 | 2024-09-25 23:39:00 | NEA (H>22) | CATCH | 54 | MPEC 2024-T13 2024 SY6 | 2024-10-01 11:37:00 | NEA (H>22) | CATCH | 55 | MPEC 2024-T50 2024 TH | 2024-10-03 01:16:00 | ✓ | NEA (H>22) | CATCH | 56 | MPEC 2024-T78 DAILY ORBIT UPDATE (2024 October 4) | 2024-10-04 12:30:00 | 57 | MPEC 2024-T89 2024 TN1 | 2024-10-04 21:53:00 | PHAg18 | CATCH | 58 | MPEC 2024-T101 2024 TY1 | 2024-10-05 11:07:00 | ✓ | NEA (H>22) | CATCH | 59 | MPEC 2024-T117 2024 TH2 | 2024-10-05 16:17:00 | NEA (18>H>22) | CATCH | 60 | MPEC 2024-T120 2024 TK2 | 2024-10-05 19:47:00 | ✓ | NEA (H>22) | CATCH | 61 | MPEC 2024-T147 2024 TJ3 | 2024-10-06 11:01:00 | NEA (H>22) | CATCH | 62 | MPEC 2024-T153 DAILY ORBIT UPDATE (2024 October 6) | 2024-10-06 12:37:00 | 63 | MPEC 2024-T195 2024 TX5 | 2024-10-08 16:15:00 | NEA (H>22) | CATCH | 64 | MPEC 2024-T196 2024 TY5 | 2024-10-08 16:45:00 | NEA (H>22) | CATCH | 65 | MPEC 2024-T197 2024 TD6 | 2024-10-08 18:15:00 | NEA (H>22) | CATCH | 66 | MPEC 2024-T216 2024 TD7 | 2024-10-09 15:06:00 | NEA (H>22) | CATCH | 67 | MPEC 2024-T220 2024 TM8 | 2024-10-10 01:36:00 | NEA (H>22) | CATCH | 68 | MPEC 2024-T259 COMET P/2024 S2 (Rankin) | 2024-10-12 03:13:00 | Comet | CATCH | 69 | MPEC 2024-U26 2024 UF | 2024-10-21 00:06:00 | NEA (H>22) | CATCH | 70 | MPEC 2024-U48 2024 UP | 2024-10-23 15:10:00 | NEA (H>22) | CATCH | 71 | MPEC 2024-U51 2024 US | 2024-10-23 21:34:00 | PHAg18 | CATCH | 72 | MPEC 2024-U53 2024 UU | 2024-10-23 21:36:00 | NEA (H>22) | CATCH | 73 | MPEC 2024-U92 2024 UF2 | 2024-10-25 11:56:00 | NEA (H>22) | CATCH | 74 | MPEC 2024-U216 2024 UB7 | 2024-10-29 13:56:00 | NEA (H>22) | CATCH | 75 | MPEC 2024-U223 2024 UV7 | 2024-10-30 01:14:00 | NEA (H>22) | CATCH | 76 | MPEC 2024-V19 2024 VA | 2024-11-01 22:22:00 | NEA (H>22) | CATCH | 77 | MPEC 2024-V20 2024 VB | 2024-11-01 22:25:00 | NEA (H>22) | CATCH | 78 | MPEC 2024-V22 2024 VD | 2024-11-01 23:28:00 | NEA (H>22) | CATCH | 79 | MPEC 2024-V40 2024 VJ | 2024-11-03 01:55:00 | NEA (H>22) | CATCH | 80 | MPEC 2024-V92 DAILY ORBIT UPDATE (2024 November 7) | 2024-11-07 12:15:00 | 81 | MPEC 2024-V142 2024 VB3 | 2024-11-11 13:41:00 | NEA (H>22) | CATCH | 82 | MPEC 2024-W13 2024 WA | 2024-11-19 02:06:00 | ✓ | NEA (H>22) | CATCH | 83 | MPEC 2024-W30 2024 WC | 2024-11-20 16:49:00 | PHAg18 | CATCH | 84 | MPEC 2024-W49 2024 WN | 2024-11-22 04:40:00 | NEA (H>22) | CATCH | 85 | MPEC 2024-W50 2024 WO | 2024-11-22 04:43:00 | NEA (H>22) | CATCH | 86 | MPEC 2024-W55 2024 WT | 2024-11-22 09:38:00 | ✓ | NEA (H>22) | CATCH | 87 | MPEC 2024-W56 2024 WU | 2024-11-22 09:39:00 | ✓ | NEA (H>22) | CATCH | 88 | MPEC 2024-W62 2024 WY | 2024-11-22 15:36:00 | PHAg18 | CATCH | 89 | MPEC 2024-W67 2024 WC1 | 2024-11-23 00:45:00 | ✓ | PHAg18 | CATCH | 90 | MPEC 2024-W85 2024 WP1 | 2024-11-23 15:11:00 | PHAg18 | CATCH | 91 | MPEC 2024-W101 2024 WK2 | 2024-11-24 18:48:00 | NEA (18>H>22) | CATCH | 92 | MPEC 2024-W108 2024 WQ2 | 2024-11-24 21:20:00 | NEA (H>22) | CATCH | 93 | MPEC 2024-W180 2024 WL6 | 2024-11-29 14:26:00 | NEA (H>22) | CATCH | 94 | MPEC 2024-W189 2024 WG12 | 2024-11-30 13:10:00 | NEA (H>22) | CATCH | 95 | MPEC 2024-W200 2024 WX13 | 2024-11-30 21:00:00 | NEA (H>22) | CATCH | 96 | MPEC 2024-X43 2024 XH | 2024-12-02 20:31:00 | NEA (H>22) | CATCH | 97 | MPEC 2024-X61 DAILY ORBIT UPDATE (2024 December 3) | 2024-12-03 12:30:00 | 98 | MPEC 2024-X171 2024 XA6 | 2024-12-06 21:06:00 | NEA (H>22) | CATCH | 99 | MPEC 2024-X216 2024 WV51 | 2024-12-08 02:52:00 | NEA (H>22) | CATCH | 100 | MPEC 2025-A10 2024 YJ11 | 2025-01-01 16:15:00 | NEA (H>22) | CATCH | 101 | MPEC 2025-A12 2024 YR11 | 2025-01-01 20:57:00 | NEA (H>22) | CATCH | 102 | MPEC 2025-A13 2024 YM12 | 2025-01-01 22:47:00 | NEA (H>22) | CATCH | 103 | MPEC 2025-A16 2024 YX12 | 2025-01-02 02:36:00 | NEA (18>H>22) | CATCH | 104 | MPEC 2025-A39 2025 AG | 2025-01-03 00:06:00 | PHAg18 | CATCH | 105 | MPEC 2025-A81 2025 AG1 | 2025-01-04 23:31:00 | PHAg18 | CATCH | 106 | MPEC 2025-A82 2025 AH1 | 2025-01-04 23:33:00 | NEA (H>22) | CATCH | 107 | MPEC 2025-A85 2025 AL1 | 2025-01-05 09:46:00 | NEA (H>22) | CATCH | 108 | MPEC 2025-A88 2025 AN1 | 2025-01-05 18:06:00 | NEA (H>22) | CATCH | 109 | MPEC 2025-A165 2025 AU3 | 2025-01-11 15:18:00 | NEA (H>22) | CATCH | 110 | MPEC 2025-B03 2025 BA | 2025-01-17 13:10:00 | NEA (H>22) | CATCH | 111 | MPEC 2025-B07 2025 BB | 2025-01-17 23:44:00 | NEA (18>H>22) | CATCH | 112 | MPEC 2025-B09 2025 BC | 2025-01-18 13:07:00 | PHAg18 | CATCH | 113 | MPEC 2025-B10 2025 BD | 2025-01-18 16:44:00 | NEA (H>22) | CATCH | 114 | MPEC 2025-B17 2025 BE | 2025-01-19 14:51:00 | NEA (H>22) | CATCH | 115 | MPEC 2025-B18 2025 BF | 2025-01-19 14:53:00 | NEA (H>22) | CATCH | 116 | MPEC 2025-B19 2025 BG | 2025-01-19 17:22:00 | NEA (18>H>22) | CATCH | 117 | MPEC 2025-B20 2025 BH | 2025-01-19 17:24:00 | NEA (H>22) | CATCH | 118 | MPEC 2025-B21 2025 BJ | 2025-01-19 21:44:00 | NEA (H>22) | CATCH | 119 | MPEC 2025-B22 2025 BK | 2025-01-20 06:17:00 | NEA (H>22) | CATCH | 120 | MPEC 2025-B54 DAILY ORBIT UPDATE (2025 January 22) | 2025-01-22 12:09:00 | 121 | MPEC 2025-B59 2025 BO1 | 2025-01-22 16:12:00 | NEA (H>22) | CATCH | 122 | MPEC 2025-B75 2025 BG2 | 2025-01-23 15:06:00 | NEA (H>22) | CATCH | 123 | MPEC 2025-B103 2025 BE3 | 2025-01-24 21:52:00 | NEA (18>H>22) | CATCH | 124 | MPEC 2025-B118 2025 BC4 | 2025-01-25 23:34:00 | NEA (H>22) | CATCH | 125 | MPEC 2025-B169 2025 BN6 | 2025-01-29 00:36:00 | NEA (H>22) | CATCH | 126 | MPEC 2025-B174 DAILY ORBIT UPDATE (2025 January 29) | 2025-01-29 12:23:00 | 127 | MPEC 2025-B184 2025 BQ7 | 2025-01-30 21:46:00 | NEA (H>22) | CATCH | 128 | MPEC 2025-C11 2025 CB | 2025-02-02 21:16:00 | NEA (H>22) | CATCH | 129 | MPEC 2025-C15 2025 CF | 2025-02-03 03:32:00 | NEA (H>22) | CATCH | 130 | MPEC 2025-C17 2025 CH | 2025-02-03 03:35:00 | PHAg18 | CATCH | 131 | MPEC 2025-C18 2025 CJ | 2025-02-03 03:36:00 | NEA (H>22) | CATCH | 132 | MPEC 2025-C21 2025 CM | 2025-02-03 11:33:00 | ✓ | NEA (H>22) | CATCH | 133 | MPEC 2025-C22 DAILY ORBIT UPDATE (2025 February 3) | 2025-02-03 12:27:00 | 134 | MPEC 2025-C28 2025 CQ | 2025-02-03 22:49:00 | NEA (H>22) | CATCH | 135 | MPEC 2025-C40 2025 CA1 | 2025-02-04 20:42:00 | NEA (H>22) | CATCH | 136 | MPEC 2025-C41 2025 CB1 | 2025-02-04 21:21:00 | NEA (H>22) | CATCH | 137 | MPEC 2025-C49 2025 CJ1 | 2025-02-05 08:46:00 | NEA (H>22) | CATCH | 138 | MPEC 2025-C143 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2025-02-08 19:17:00 | Comet | CATCH | 139 | MPEC 2025-C158 COMET P/2025 C1 (ATLAS) | 2025-02-10 16:56:00 | Comet | CATCH | 140 | MPEC 2025-C168 2025 CH4 | 2025-02-14 11:58:00 | PHAg18 | CATCH | 141 | MPEC 2025-C174 2025 CJ4 | 2025-02-15 16:50:00 | NEA (H>22) | CATCH | 142 | MPEC 2025-D09 2025 DB | 2025-02-17 21:56:00 | NEA (H>22) | CATCH | 143 | MPEC 2025-D28 DAILY ORBIT UPDATE (2025 February 19) | 2025-02-19 12:09:00 | 144 | MPEC 2025-D44 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2025-02-20 21:36:00 | Comet | CATCH | 145 | MPEC 2025-D119 DAILY ORBIT UPDATE (2025 February 23) | 2025-02-23 12:18:00 | 146 | MPEC 2025-D131 2025 DP4 | 2025-02-23 22:00:00 | NEA (H>22) | CATCH | 147 | MPEC 2025-D134 2025 DS4 | 2025-02-24 00:57:00 | NEA (H>22) | CATCH | 148 | MPEC 2025-D145 DAILY ORBIT UPDATE (2025 February 24) | 2025-02-24 12:19:00 | 149 | MPEC 2025-D151 A/2025 A7 | 2025-02-24 15:18:00 | Comet | CATCH | 150 | MPEC 2025-D164 2025 DN6 | 2025-02-25 18:57:00 | NEA (H>22) | CATCH | 151 | MPEC 2025-D166 2025 DP6 | 2025-02-25 19:38:00 | NEA (H>22) | CATCH | 152 | MPEC 2025-D167 2025 DQ6 | 2025-02-25 19:40:00 | NEA (H>22) | CATCH | 153 | MPEC 2025-D192 2025 DQ7 | 2025-02-26 11:16:00 | PHAg18 | CATCH | 154 | MPEC 2025-D195 2025 DU7 | 2025-02-26 11:51:00 | NEA (H>22) | CATCH | 155 | MPEC 2025-D207 2025 DL8 | 2025-02-26 16:32:00 | NEA (H>22) | CATCH | 156 | MPEC 2025-D236 2025 DJ22 | 2025-02-28 00:50:00 | NEA (H>22) | CATCH | 157 | MPEC 2025-D252 2017 FL127 | 2025-02-28 14:32:00 | NEA (H>22) | CATCH | 158 | MPEC 2025-D255 2025 DS24 | 2025-02-28 21:10:00 | NEA (H>22) | CATCH | 159 | MPEC 2025-E08 2025 DB25 | 2025-03-01 06:46:00 | NEA (H>22) | CATCH | 160 | MPEC 2025-E103 2025 EY1 | 2025-03-05 21:58:00 | NEA (H>22) | CATCH | 161 | MPEC 2025-E105 2025 EA2 | 2025-03-05 22:01:00 | NEA (H>22) | CATCH | 162 | MPEC 2025-E109 DAILY ORBIT UPDATE (2025 March 6) | 2025-03-06 12:33:00 | 163 | MPEC 2025-E127 DAILY ORBIT UPDATE (2025 March 7) | 2025-03-07 12:06:00 | 164 | MPEC 2025-F05 2025 FA | 2025-03-17 15:06:00 | ✓ | PHAg18 | CATCH | 165 | MPEC 2025-F15 2025 FC | 2025-03-19 22:14:00 | NEA (H>22) | CATCH | 166 | MPEC 2025-F16 2025 FD | 2025-03-19 22:17:00 | NEA (H>22) | CATCH | 167 | MPEC 2025-F17 2025 FE | 2025-03-19 22:20:00 | NEA (H>22) | CATCH | 168 | MPEC 2025-F23 2025 FJ | 2025-03-20 17:24:00 | PHAg18 | CATCH | 169 | MPEC 2025-F60 2025 FY1 | 2025-03-23 01:10:00 | NEA (H>22) | CATCH | 170 | MPEC 2025-F64 2025 FC2 | 2025-03-23 01:16:00 | NEA (H>22) | CATCH | 171 | MPEC 2025-F80 2025 FS2 | 2025-03-23 13:54:00 | NEA (H>22) | CATCH | 172 | MPEC 2025-F81 2025 FT2 | 2025-03-23 13:56:00 | NEA (H>22) | CATCH | 173 | MPEC 2025-F157 2025 FN7 | 2025-03-26 05:17:00 | NEA (H>22) | CATCH | 174 | MPEC 2025-F206 2025 FQ12 | 2025-03-28 13:10:00 | NEA (H>22) | CATCH | 175 | MPEC 2025-G92 2025 GW | 2025-04-08 02:15:00 | NEA (H>22) | CATCH | 176 | MPEC 2025-G94 2025 GY | 2025-04-08 04:41:00 | NEA (H>22) | CATCH | 177 | MPEC 2025-H62 2025 HX | 2025-04-22 12:46:00 | NEA (H>22) | CATCH | 178 | MPEC 2025-H71 2025 HB1 | 2025-04-22 17:49:00 | NEA (H>22) | CATCH | 179 | MPEC 2025-H76 2025 HG1 | 2025-04-23 02:25:00 | NEA (H>22) | CATCH | 180 | MPEC 2025-H89 DAILY ORBIT UPDATE (2025 April 23) | 2025-04-23 12:11:00 | 181 | MPEC 2025-H91 2025 HQ1 | 2025-04-23 15:46:00 | NEA (H>22) | CATCH | 182 | MPEC 2025-H99 2025 HV1 | 2025-04-23 22:36:00 | NEA (H>22) | CATCH | 183 | MPEC 2025-H112 DAILY ORBIT UPDATE (2025 April 24) | 2025-04-24 12:14:00 | 184 | MPEC 2025-H121 2025 HU2 | 2025-04-24 19:43:00 | NEA (H>22) | CATCH | 185 | MPEC 2025-H131 2025 HE3 | 2025-04-25 11:45:00 | NEA (H>22) | CATCH | 186 | MPEC 2025-H171 DAILY ORBIT UPDATE (2025 April 27) | 2025-04-27 12:20:00 | 187 | MPEC 2025-H174 2025 HE5 | 2025-04-27 15:11:00 | NEA (H>22) | CATCH | 188 | MPEC 2025-H178 2025 HL5 | 2025-04-27 23:52:00 | NEA (H>22) | CATCH | 189 | MPEC 2025-J38 2025 JB1 | 2025-05-05 05:26:00 | NEA (18>H>22) | CATCH | 190 | MPEC 2025-J42 2025 JE1 | 2025-05-05 11:17:00 | ✓ | NEA (H>22) | CATCH | 191 | MPEC 2025-J44 DAILY ORBIT UPDATE (2025 May 5) | 2025-05-05 12:13:00 | 192 | MPEC 2025-K03 2025 KA | 2025-05-17 03:54:00 | NEA (H>22) | CATCH | 193 | MPEC 2025-K07 DAILY ORBIT UPDATE (2025 May 18) | 2025-05-18 12:04:00 | 194 | MPEC 2025-K12 2025 KE | 2025-05-19 22:40:00 | NEA (H>22) | CATCH | 195 | MPEC 2025-K17 DAILY ORBIT UPDATE (2025 May 20) | 2025-05-20 12:07:00 | 196 | MPEC 2025-K22 2025 KN | 2025-05-20 18:20:00 | NEA (H>22) | CATCH | 197 | MPEC 2025-K23 2025 KO | 2025-05-20 18:23:00 | NEA (H>22) | CATCH | 198 | MPEC 2025-K34 2025 KY | 2025-05-21 10:30:00 | NEA (H>22) | CATCH | 199 | MPEC 2025-K37 2025 KB1 | 2025-05-21 11:53:00 | ✓ | NEA (H>22) | CATCH | 200 | MPEC 2025-K67 2025 KS1 | 2025-05-24 01:09:00 | NEA (H>22) | CATCH | 201 | MPEC 2025-K110 COMET C/2025 K1 (ATLAS) | 2025-05-27 17:45:00 | Comet | CATCH | 202 | MPEC 2025-L11 2025 LB | 2025-06-02 14:46:00 | NEA (H>22) | CATCH | 203 | MPEC 2025-L32 2025 LD | 2025-06-04 20:44:00 | NEA (H>22) | CATCH | 204 | MPEC 2025-L71 2025 LV | 2025-06-15 17:26:00 | NEA (H>22) | CATCH | 205 | MPEC 2025-M18 DAILY ORBIT UPDATE (2025 June 18) | 2025-06-18 12:36:00 | 206 | MPEC 2025-M19 2025 LD1 | 2025-06-18 13:27:00 | NEA (H>22) | CATCH | 207 | MPEC 2025-M33 DAILY ORBIT UPDATE (2025 June 20) | 2025-06-20 12:42:00 | 208 | MPEC 2025-M46 2025 MB1 | 2025-06-20 23:07:00 | NEA (H>22) | CATCH | 209 | MPEC 2025-M70 2025 MY1 | 2025-06-22 22:56:00 | NEA (H>22) | CATCH | 210 | MPEC 2025-M120 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2025-06-26 16:33:00 | Comet | CATCH | 211 | MPEC 2025-N35 Comet 3I/ATLAS | 2025-07-04 18:46:00 | Comet | CATCH | 212 | MPEC 2025-O57 2025 OK1 | 2025-07-23 06:01:00 | NEA (H>22) | CATCH | 213 | MPEC 2025-O63 DAILY ORBIT UPDATE (2025 July 23) | 2025-07-23 12:10:00 | 214 | MPEC 2025-Q136 2025 QV4 | 2025-08-24 23:56:00 | NEA (H>22) | CATCH | 215 | MPEC 2025-Q145 DAILY ORBIT UPDATE (2025 August 25) | 2025-08-25 12:21:00 | 216 | MPEC 2025-Q250 2025 QB13 | 2025-08-30 18:31:00 | NEA (H>22) | CATCH | 217 | MPEC 2025-Q272 2025 QE16 | 2025-08-31 06:30:00 | NEA (H>22) | CATCH | 218 | MPEC 2025-R61 2025 RR1 | 2025-09-08 09:33:00 | NEA (H>22) | CATCH | 219 | MPEC 2025-R91 2025 RJ2 | 2025-09-15 06:56:00 | NEA (H>22) | CATCH | 220 | MPEC 2025-R92 2025 RK2 | 2025-09-15 06:59:00 | NEA (H>22) | CATCH | 221 | MPEC 2025-R95 2025 RN2 | 2025-09-15 07:04:00 | NEA (H>22) | CATCH | 222 | MPEC 2025-R99 2025 RQ2 | 2025-09-15 11:21:00 | NEA (H>22) | CATCH | 223 | MPEC 2025-R100 DAILY ORBIT UPDATE (2025 September 15) | 2025-09-15 12:06:00 | 224 | MPEC 2025-S52 2025 SC | 2025-09-17 10:07:00 | NEA (H>22) | CATCH | 225 | MPEC 2025-S133 DAILY ORBIT UPDATE (2025 September 20) | 2025-09-20 12:14:00 | 226 | MPEC 2025-S270 2025 SG15 | 2025-09-28 19:29:00 | NEA (H>22) | CATCH | 227 | MPEC 2025-S281 2025 SN20 | 2025-09-29 23:50:00 | NEA (H>22) | CATCH |
List of Observers
| Observer Group | Total MPECs |
|---|---|
| B.Liu, Z.Wang | 744 |
| Individual Observer | Total MPECs |
|---|---|
| B.Liu | 744 |
| Z.Wang | 744 |
List of Measurers
| Measurer Group | Total MPECs |
|---|---|
| Z.Wang | 744 |
| Individual Measurer | Total MPECs |
|---|---|
| Z.Wang | 744 |
List of Facilities
| Facilities | Count |
|---|---|
| 0.28-m f/2.2 reflector + CMO | 744 |