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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 121 | 0 | 0 | 2 | 14 | 0 | 0 | 0 | 91 | 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-Y17 2024 YD | 2024-12-20 15:21:00 | NEA (H>22) | CATCH | ||
| 2 | MPEC 2024-Y16 2024 YC | 2024-12-20 15:20:00 | NEA (H>22) | CATCH | ||
| 3 | MPEC 2024-X313 2024 XB17 | 2024-12-13 04:16:00 | NEA (H>22) | CATCH | ||
| 4 | MPEC 2024-X311 2021 XB6 | 2024-12-12 17:23:00 | NEA (H>22) | CATCH | ||
| 5 | MPEC 2024-X309 DAILY ORBIT UPDATE (2024 December 12) | 2024-12-12 12:07:00 | ||||
| 6 | MPEC 2024-X303 2024 XS16 | 2024-12-12 06:14:00 | NEA (H>22) | CATCH | ||
| 7 | MPEC 2024-X302 2024 XR16 | 2024-12-12 06:14:00 | NEA (H>22) | CATCH | ||
| 8 | MPEC 2024-X300 2024 XP16 | 2024-12-11 21:04:00 | NEA (H>22) | CATCH | ||
| 9 | MPEC 2024-X284 2024 XZ15 | 2024-12-11 02:58:00 | NEA (H>22) | CATCH | ||
| 10 | MPEC 2024-X278 2024 XR15 | 2024-12-10 18:48:00 | NEA (H>22) | CATCH | ||
| 11 | MPEC 2024-X216 2024 WV51 | 2024-12-08 02:52:00 | NEA (H>22) | CATCH | ||
| 12 | MPEC 2024-X171 2024 XA6 | 2024-12-06 21:06:00 | NEA (H>22) | CATCH | ||
| 13 | MPEC 2024-X61 DAILY ORBIT UPDATE (2024 December 3) | 2024-12-03 12:30:00 | ||||
| 14 | MPEC 2024-X43 2024 XH | 2024-12-02 20:31:00 | NEA (H>22) | CATCH | ||
| 15 | MPEC 2024-W200 2024 WX13 | 2024-11-30 21:00:00 | NEA (H>22) | CATCH | ||
| 16 | MPEC 2024-W189 2024 WG12 | 2024-11-30 13:10:00 | NEA (H>22) | CATCH | ||
| 17 | MPEC 2024-W180 2024 WL6 | 2024-11-29 14:26:00 | NEA (H>22) | CATCH | ||
| 18 | MPEC 2024-W108 2024 WQ2 | 2024-11-24 21:20:00 | NEA (H>22) | CATCH | ||
| 19 | MPEC 2024-W101 2024 WK2 | 2024-11-24 18:48:00 | NEA (18>H>22) | CATCH | ||
| 20 | MPEC 2024-W85 2024 WP1 | 2024-11-23 15:11:00 | NEA (H>22) | CATCH | ||
| 21 | MPEC 2024-W67 2024 WC1 | 2024-11-23 00:45:00 | ✓ | NEA (18>H>22) | CATCH | |
| 22 | MPEC 2024-W62 2024 WY | 2024-11-22 15:36:00 | NEA (H>22) | CATCH | ||
| 23 | MPEC 2024-W56 2024 WU | 2024-11-22 09:39:00 | ✓ | NEA (H>22) | CATCH | |
| 24 | MPEC 2024-W55 2024 WT | 2024-11-22 09:38:00 | ✓ | NEA (H>22) | CATCH | |
| 25 | MPEC 2024-W50 2024 WO | 2024-11-22 04:43:00 | NEA (H>22) | CATCH | ||
| 26 | MPEC 2024-W49 2024 WN | 2024-11-22 04:40:00 | NEA (H>22) | CATCH | ||
| 27 | MPEC 2024-W30 2024 WC | 2024-11-20 16:49:00 | NEA (H>22) | CATCH | ||
| 28 | MPEC 2024-W13 2024 WA | 2024-11-19 02:06:00 | ✓ | NEA (H>22) | CATCH | |
| 29 | MPEC 2024-V142 2024 VB3 | 2024-11-11 13:41:00 | NEA (H>22) | CATCH | ||
| 30 | MPEC 2024-V92 DAILY ORBIT UPDATE (2024 November 7) | 2024-11-07 12:15:00 | ||||
| 31 | MPEC 2024-V40 2024 VJ | 2024-11-03 01:55:00 | NEA (H>22) | CATCH | ||
| 32 | MPEC 2024-V22 2024 VD | 2024-11-01 23:28:00 | NEA (H>22) | CATCH | ||
| 33 | MPEC 2024-V20 2024 VB | 2024-11-01 22:25:00 | NEA (H>22) | CATCH | ||
| 34 | MPEC 2024-V19 2024 VA | 2024-11-01 22:22:00 | NEA (H>22) | CATCH | ||
| 35 | MPEC 2024-U223 2024 UV7 | 2024-10-30 01:14:00 | NEA (H>22) | CATCH | ||
| 36 | MPEC 2024-U216 2024 UB7 | 2024-10-29 13:56:00 | NEA (H>22) | CATCH | ||
| 37 | MPEC 2024-U92 2024 UF2 | 2024-10-25 11:56:00 | NEA (H>22) | CATCH | ||
| 38 | MPEC 2024-U53 2024 UU | 2024-10-23 21:36:00 | NEA (H>22) | CATCH | ||
| 39 | MPEC 2024-U51 2024 US | 2024-10-23 21:34:00 | NEA (H>22) | CATCH | ||
| 40 | MPEC 2024-U48 2024 UP | 2024-10-23 15:10:00 | NEA (H>22) | CATCH | ||
| 41 | MPEC 2024-U26 2024 UF | 2024-10-21 00:06:00 | NEA (H>22) | CATCH | ||
| 42 | MPEC 2024-T259 COMET P/2024 S2 (Rankin) | 2024-10-12 03:13:00 | Comet | CATCH | ||
| 43 | MPEC 2024-T220 2024 TM8 | 2024-10-10 01:36:00 | NEA (H>22) | CATCH | ||
| 44 | MPEC 2024-T216 2024 TD7 | 2024-10-09 15:06:00 | NEA (H>22) | CATCH | ||
| 45 | MPEC 2024-T197 2024 TD6 | 2024-10-08 18:15:00 | NEA (H>22) | CATCH | ||
| 46 | MPEC 2024-T196 2024 TY5 | 2024-10-08 16:45:00 | NEA (H>22) | CATCH | ||
| 47 | MPEC 2024-T195 2024 TX5 | 2024-10-08 16:15:00 | NEA (H>22) | CATCH | ||
| 48 | MPEC 2024-T153 DAILY ORBIT UPDATE (2024 October 6) | 2024-10-06 12:37:00 | ||||
| 49 | MPEC 2024-T147 2024 TJ3 | 2024-10-06 11:01:00 | NEA (H>22) | CATCH | ||
| 50 | MPEC 2024-T120 2024 TK2 | 2024-10-05 19:47:00 | ✓ | NEA (H>22) | CATCH | |
| 51 | MPEC 2024-T117 2024 TH2 | 2024-10-05 16:17:00 | NEA (18>H>22) | CATCH | ||
| 52 | MPEC 2024-T101 2024 TY1 | 2024-10-05 11:07:00 | ✓ | NEA (H>22) | CATCH | |
| 53 | MPEC 2024-T89 2024 TN1 | 2024-10-04 21:53:00 | PHAg18 | CATCH | ||
| 54 | MPEC 2024-T78 DAILY ORBIT UPDATE (2024 October 4) | 2024-10-04 12:30:00 | ||||
| 55 | MPEC 2024-T50 2024 TH | 2024-10-03 01:16:00 | ✓ | NEA (H>22) | CATCH | |
| 56 | MPEC 2024-T13 2024 SY6 | 2024-10-01 11:37:00 | NEA (H>22) | CATCH | ||
| 57 | MPEC 2024-S65 2024 SC1 | 2024-09-25 23:39:00 | NEA (H>22) | CATCH | ||
| 58 | MPEC 2024-S52 2024 SR | 2024-09-25 02:45:00 | NEA (H>22) | CATCH | ||
| 59 | MPEC 2024-S42 2024 RH45 | 2024-09-24 02:31:00 | NEA (H>22) | CATCH | ||
| 60 | MPEC 2024-S41 2024 SH | 2024-09-24 02:30:00 | NEA (H>22) | CATCH | ||
| 61 | MPEC 2024-R345 2024 RB22 | 2024-09-14 05:55:00 | NEA (H>22) | CATCH | ||
| 62 | MPEC 2024-R294 2024 RA14 | 2024-09-12 15:47:00 | NEA (H>22) | CATCH | ||
| 63 | MPEC 2024-R56 2024 RM1 | 2024-09-04 05:42:00 | NEA (H>22) | CATCH | ||
| 64 | MPEC 2024-R28 2024 RK | 2024-09-03 04:40:00 | NEA (H>22) | CATCH | ||
| 65 | MPEC 2024-R23 2024 RE | 2024-09-02 16:17:00 | NEA (H>22) | CATCH | ||
| 66 | MPEC 2024-Q87 COMET P/2024 Q1 (PANSTARRS) | 2024-08-31 04:43:00 | Comet | CATCH | ||
| 67 | MPEC 2024-Q59 2024 QU | 2024-08-28 22:24:00 | ✓ | NEA (H>22) | CATCH | |
| 68 | MPEC 2024-Q53 2024 QS | 2024-08-28 06:01:00 | NEA (H>22) | CATCH | ||
| 69 | MPEC 2024-P169 2024 PS5 | 2024-08-14 22:26:00 | NEA (H>22) | CATCH | ||
| 70 | MPEC 2024-P167 2024 PQ5 | 2024-08-14 21:16:00 | NEA (H>22) | CATCH | ||
| 71 | MPEC 2024-P166 2024 PP5 | 2024-08-14 21:06:00 | ✓ | NEA (H>22) | CATCH | |
| 72 | MPEC 2024-P164 2024 PR4 | 2024-08-14 13:56:00 | ✓ | NEA (H>22) | CATCH | |
| 73 | MPEC 2024-P111 DAILY ORBIT UPDATE (2024 August 9) | 2024-08-09 12:09:00 | ||||
| 74 | MPEC 2024-O41 COMET C/2024 N4 (Sarneczky) | 2024-07-24 00:04:00 | Comet | CATCH | ||
| 75 | MPEC 2024-O12 DAILY ORBIT UPDATE (2024 July 18) | 2024-07-18 12:04:00 | ||||
| 76 | MPEC 2024-M29 2024 MH | 2024-06-19 14:22:00 | NEA (18>H>22) | CATCH | ||
| 77 | MPEC 2024-M11 DAILY ORBIT UPDATE (2024 June 17) | 2024-06-17 12:11:00 | ||||
| 78 | MPEC 2024-L118 DAILY ORBIT UPDATE (2024 June 11) | 2024-06-11 12:07:00 | ||||
| 79 | MPEC 2024-L87 2024 LZ1 | 2024-06-08 11:13:00 | NEA (H>22) | CATCH | ||
| 80 | MPEC 2024-L72 2024 LJ1 | 2024-06-06 22:33:00 | NEA (H>22) | CATCH | ||
| 81 | MPEC 2024-L63 2024 LE1 | 2024-06-06 11:45:00 | NEA (H>22) | CATCH | ||
| 82 | MPEC 2024-L60 2024 LC1 | 2024-06-06 09:16:00 | PHAg18 | CATCH | ||
| 83 | MPEC 2024-L24 2024 LC | 2024-06-02 16:16:00 | NEA (H>22) | CATCH | ||
| 84 | MPEC 2024-K148 2024 KL1 | 2024-05-31 11:44:00 | NEA (H>22) | CATCH | ||
| 85 | MPEC 2024-K128 COMET C/2024 J4 (Lemmon) | 2024-05-30 01:25:00 | Comet | CATCH | ||
| 86 | MPEC 2024-K114 2024 KQ | 2024-05-29 00:18:00 | NEA (H>22) | CATCH | ||
| 87 | MPEC 2024-K113 2024 KP | 2024-05-28 23:56:00 | NEA (H>22) | CATCH | ||
| 88 | MPEC 2024-K99 2024 KG | 2024-05-27 23:52:00 | NEA (H>22) | CATCH | ||
| 89 | MPEC 2024-K09 2024 JX17 | 2024-05-17 04:36:00 | PHAg18 | CATCH | ||
| 90 | MPEC 2024-J311 DAILY ORBIT UPDATE (2024 May 15) | 2024-05-15 12:04:00 | ||||
| 91 | MPEC 2024-J310 2024 JK17 | 2024-05-15 11:42:00 | NEA (H>22) | CATCH | ||
| 92 | MPEC 2024-J309 2024 JJ17 | 2024-05-15 11:42:00 | NEA (H>22) | CATCH | ||
| 93 | MPEC 2024-J305 2024 JF17 | 2024-05-14 23:26:00 | NEA (H>22) | CATCH | ||
| 94 | MPEC 2024-J301 2024 JB17 | 2024-05-14 07:36:00 | NEA (H>22) | CATCH | ||
| 95 | MPEC 2024-J299 2024 JY16 | 2024-05-13 23:46:00 | NEA (H>22) | CATCH | ||
| 96 | MPEC 2024-J296 DAILY ORBIT UPDATE (2024 May 13) | 2024-05-13 12:03:00 | ||||
| 97 | MPEC 2024-J245 2024 JX8 | 2024-05-10 11:55:00 | NEA (H>22) | CATCH | ||
| 98 | MPEC 2024-J167 2024 JT3 | 2024-05-08 15:47:00 | NEA (H>22) | CATCH | ||
| 99 | MPEC 2024-J149 2024 JN3 | 2024-05-08 10:55:00 | NEA (H>22) | CATCH | ||
| 100 | MPEC 2024-J146 2024 JL3 | 2024-05-08 10:52:00 | NEA (H>22) | CATCH | ||
| 101 | MPEC 2024-J122 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2024-05-07 20:00:00 | Comet | CATCH | ||
| 102 | MPEC 2024-J84 2024 JW1 | 2024-05-05 17:03:00 | NEA (18>H>22) | CATCH | ||
| 103 | MPEC 2024-J50 2024 JV | 2024-05-03 17:44:00 | NEA (H>22) | CATCH | ||
| 104 | MPEC 2024-J30 2024 JE | 2024-05-02 23:26:00 | ✓ | NEA (H>22) | CATCH | |
| 105 | MPEC 2024-H96 2024 HV1 | 2024-04-29 23:57:00 | NEA (H>22) | CATCH | ||
| 106 | MPEC 2024-H95 2024 HU1 | 2024-04-29 23:56:00 | NEA (H>22) | CATCH | ||
| 107 | MPEC 2024-H01 2024 GG6 | 2024-04-16 02:34:00 | NEA (H>22) | CATCH | ||
| 108 | MPEC 2024-G01 2024 FR3 | 2024-04-01 00:00:00 | ✓ | NEA (H>22) | CATCH | |
| 109 | MPEC 2024-F121 2024 ED6 | 2024-03-31 23:02:00 | NEA (H>22) | CATCH | ||
| 110 | MPEC 2024-F112 2024 FK3 | 2024-03-31 12:50:00 | NEA (18>H>22) | CATCH | ||
| 111 | MPEC 2024-F101 2024 FZ2 | 2024-03-29 23:04:00 | NEA (H>22) | CATCH | ||
| 112 | MPEC 2024-F15 2024 FD | 2024-03-18 13:07:00 | ✓ | NEA (H>22) | CATCH | |
| 113 | MPEC 2024-E188 2024 EJ4 | 2024-03-14 22:06:00 | NEA (H>22) | CATCH | ||
| 114 | MPEC 2024-E186 2024 EG4 | 2024-03-14 21:43:00 | NEA (H>22) | CATCH | ||
| 115 | MPEC 2024-E159 2024 EJ3 | 2024-03-12 20:58:00 | NEA (H>22) | CATCH | ||
| 116 | MPEC 2024-E158 2024 EH3 | 2024-03-12 20:57:00 | NEA (H>22) | CATCH | ||
| 117 | MPEC 2024-E149 2024 ED3 | 2024-03-12 00:56:00 | NEA (H>22) | CATCH | ||
| 118 | MPEC 2024-E146 2024 EA3 | 2024-03-11 19:26:00 | ✓ | NEA (H>22) | CATCH | |
| 119 | MPEC 2024-E140 DAILY ORBIT UPDATE (2024 March 10) | 2024-03-10 12:09:00 | ||||
| 120 | MPEC 2024-E123 DAILY ORBIT UPDATE (2024 March 8) | 2024-03-08 12:10:00 | ||||
| 121 | MPEC 2024-E109 DAILY ORBIT UPDATE (2024 March 7) | 2024-03-07 12:07:00 |
List of Observers
| Observers | Count |
|---|---|
| Z. Wang, B. Liu | 407 |
List of Measurers
| Measurers | Count |
|---|---|
| Z. Wang | 407 |
List of Facilities
| Facilities | Count |
|---|---|
| 0.28-m f/2.2 reflector + CMO | 407 |