381 Tokyo-Kiso
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 | 5 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2022 | 22 | 0 | 15 | 0 | 3 | 0 | 0 | 0 | 3 | 1 |
| 2021 | 26 | 0 | 16 | 0 | 2 | 0 | 0 | 0 | 5 | 3 |
| 2020 | 18 | 0 | 13 | 0 | 3 | 0 | 0 | 0 | 0 | 2 |
| 2019 | 13 | 0 | 6 | 0 | 3 | 0 | 0 | 0 | 4 | 0 |
| 2018 | 4 | 0 | 0 | 0 | 4 | 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 | 1 | 0 | 0 | 0 | 1 | 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 | 10 | 0 | 1 | 7 | 0 | 0 | 0 | 0 | 2 | 0 |
| 1996 | 5 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 1 |
| 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-J120 2022 JN11 | 2024-05-07 17:06:00 | ✓ | NEA (H>22) | CATCH | |
| 2 | MPEC 2024-J119 2022 AY54 | 2024-05-07 17:03:00 | ✓ | NEA (H>22) | CATCH | |
| 3 | MPEC 2024-J118 2021 XA11 | 2024-05-07 17:01:00 | ✓ | NEA (H>22) | CATCH | |
| 4 | MPEC 2024-J117 2021 KB22 | 2024-05-07 16:59:00 | ✓ | NEA (H>22) | CATCH | |
| 5 | MPEC 2024-J116 2021 GE226 | 2024-05-07 16:57:00 | ✓ | NEA (H>22) | CATCH | |
| 6 | MPEC 2023-L29 2023 LC | 2023-06-08 01:57:00 | NEA (H>22) | CATCH | ||
| 7 | MPEC 2022-Y203 2022 YF6 | 2022-12-28 01:34:00 | ✓ | NEA (H>22) | CATCH | |
| 8 | MPEC 2022-W235 DAILY ORBIT UPDATE (2022 November 28) | 2022-11-28 12:23:00 | ||||
| 9 | MPEC 2022-U387 2022 UT16 | 2022-10-30 22:17:00 | NEA (H>22) | CATCH | ||
| 10 | MPEC 2022-U351 DAILY ORBIT UPDATE (2022 October 29) | 2022-10-29 12:15:00 | ||||
| 11 | MPEC 2022-U344 2022 UA14 | 2022-10-29 00:58:00 | ✓ | NEA (H>22) | CATCH | |
| 12 | MPEC 2022-U326 2022 UB13 | 2022-10-28 13:06:00 | ✓ | NEA (H>22) | CATCH | |
| 13 | MPEC 2022-U324 2022 UA13 | 2022-10-28 11:58:00 | ✓ | NEA (H>22) | CATCH | |
| 14 | MPEC 2022-U294 2022 UL11 | 2022-10-27 11:04:00 | ✓ | NEA (H>22) | CATCH | |
| 15 | MPEC 2022-U216 2022 UQ7 | 2022-10-23 22:26:00 | ✓ | NEA (H>22) | CATCH | |
| 16 | MPEC 2022-U200 2022 UQ6 | 2022-10-22 16:09:00 | ✓ | NEA (H>22) | CATCH | |
| 17 | MPEC 2022-U183 2022 UY5 | 2022-10-22 14:46:00 | NEA (H>22) | CATCH | ||
| 18 | MPEC 2022-L27 2022 LJ | 2022-06-04 13:02:00 | ✓ | NEA (H>22) | CATCH | |
| 19 | MPEC 2022-L04 2022 KP6 | 2022-06-01 15:30:00 | NEA (H>22) | CATCH | ||
| 20 | MPEC 2022-K158 2022 KK5 | 2022-05-30 07:46:00 | ✓ | NEA (H>22) | CATCH | |
| 21 | MPEC 2022-J29 2022 JK | 2022-05-04 11:08:00 | ✓ | NEA (H>22) | CATCH | |
| 22 | MPEC 2022-H12 2022 HC | 2022-04-20 11:11:00 | ✓ | NEA (H>22) | CATCH | |
| 23 | MPEC 2022-E191 DAILY ORBIT UPDATE (2022 March 12) | 2022-03-12 12:04:00 | ||||
| 24 | MPEC 2022-E61 2022 EZ | 2022-03-03 21:13:00 | ✓ | NEA (H>22) | CATCH | |
| 25 | MPEC 2022-E58 2022 ET | 2022-03-03 16:52:00 | ✓ | NEA (H>22) | CATCH | |
| 26 | MPEC 2022-A189 2022 AC7 | 2022-01-15 14:40:00 | ✓ | NEA (H>22) | CATCH | |
| 27 | MPEC 2022-A92 2022 AR2 | 2022-01-08 13:50:00 | ✓ | NEA (H>22) | CATCH | |
| 28 | MPEC 2022-A53 2022 AB1 | 2022-01-07 01:43:00 | ✓ | NEA (H>22) | CATCH | |
| 29 | MPEC 2021-W160 2021 GA168 | 2021-11-30 22:43:00 | ✓ | NEA (H>22) | CATCH | |
| 30 | MPEC 2021-V164 2021 VV3 | 2021-11-08 21:56:00 | ✓ | NEA (H>22) | CATCH | |
| 31 | MPEC 2021-V152 2021 UF12 | 2021-11-08 02:17:00 | ✓ | NEA (H>22) | CATCH | |
| 32 | MPEC 2021-V150 2021 VK3 | 2021-11-07 20:51:00 | NEA (H>22) | CATCH | ||
| 33 | MPEC 2021-U155 2021 UB2 | 2021-10-28 01:17:00 | ✓ | NEA (H>22) | CATCH | |
| 34 | MPEC 2021-T275 2021 TL14 | 2021-10-15 03:30:00 | NEA (H>22) | CATCH | ||
| 35 | MPEC 2021-T157 2021 TR4 | 2021-10-07 20:50:00 | ✓ | NEA (H>22) | CATCH | |
| 36 | MPEC 2021-T156 2021 TQ4 | 2021-10-07 20:40:00 | ✓ | NEA (H>22) | CATCH | |
| 37 | MPEC 2021-T136 2021 TR3 | 2021-10-06 21:43:00 | NEA (H>22) | CATCH | ||
| 38 | MPEC 2021-T135 2021 TQ3 | 2021-10-06 21:41:00 | ✓ | NEA (H>22) | CATCH | |
| 39 | MPEC 2021-T84 2021 TV1 | 2021-10-05 14:38:00 | ✓ | NEA (H>22) | CATCH | |
| 40 | MPEC 2021-T69 2021 TG1 | 2021-10-04 16:30:00 | ✓ | NEA (H>22) | CATCH | |
| 41 | MPEC 2021-K106 2021 KQ2 | 2021-05-31 21:26:00 | ✓ | NEA (H>22) | CATCH | |
| 42 | MPEC 2021-K102 2021 KO2 | 2021-05-31 07:43:00 | ✓ | NEA (H>22) | CATCH | |
| 43 | MPEC 2021-K100 2021 KN2 | 2021-05-31 00:08:00 | ✓ | NEA (H>22) | CATCH | |
| 44 | MPEC 2021-J203 2021 JB6 | 2021-05-13 17:22:00 | NEA (H>22) | CATCH | ||
| 45 | MPEC 2021-G218 2021 GQ10 | 2021-04-15 14:13:00 | ✓ | NEA (H>22) | CATCH | |
| 46 | MPEC 2021-G163 DAILY ORBIT UPDATE (2021 April 12) | 2021-04-12 15:13:00 | ||||
| 47 | MPEC 2021-G123 2021 GD5 | 2021-04-10 14:15:00 | ✓ | NEA (H>22) | CATCH | |
| 48 | MPEC 2021-G120 2021 GV4 | 2021-04-09 18:20:00 | ✓ | NEA (H>22) | CATCH | |
| 49 | MPEC 2021-F17 2021 FA | 2021-03-17 22:08:00 | ✓ | NEA (H>22) | CATCH | |
| 50 | MPEC 2021-F03 2021 EP4 | 2021-03-16 16:27:00 | ✓ | NEA (H>22) | CATCH | |
| 51 | MPEC 2021-E133 DAILY ORBIT UPDATE (2021 March 13) | 2021-03-13 15:04:00 | ||||
| 52 | MPEC 2021-C280 2021 CC7 | 2021-02-13 18:53:00 | ✓ | NEA (H>22) | CATCH | |
| 53 | MPEC 2021-C186 2021 CV4 | 2021-02-10 14:02:00 | NEA (H>22) | CATCH | ||
| 54 | MPEC 2021-A173 2021 AT5 | 2021-01-13 20:37:00 | ✓ | NEA (H>22) | CATCH | |
| 55 | MPEC 2020-Y114 2020 YO3 | 2020-12-24 20:30:00 | ✓ | NEA (H>22) | CATCH | |
| 56 | MPEC 2020-Y84 2020 YJ2 | 2020-12-22 03:07:00 | ✓ | NEA (H>22) | CATCH | |
| 57 | MPEC 2020-V164 2020 VH5 | 2020-11-15 18:36:00 | ✓ | NEA (H>22) | CATCH | |
| 58 | MPEC 2020-V136 2020 VF4 | 2020-11-14 01:24:00 | ✓ | NEA (H>22) | CATCH | |
| 59 | MPEC 2020-V69 2020 VR1 | 2020-11-11 05:25:00 | ✓ | NEA (H>22) | CATCH | |
| 60 | MPEC 2020-V57 2020 VJ1 | 2020-11-10 06:38:00 | ✓ | NEA (H>22) | CATCH | |
| 61 | MPEC 2020-U259 2020 UQ6 | 2020-10-28 19:39:00 | ✓ | NEA (H>22) | CATCH | |
| 62 | MPEC 2020-Q81 2020 QW | 2020-08-19 01:06:00 | ✓ | NEA (H>22) | CATCH | |
| 63 | MPEC 2020-P97 2020 PW2 | 2020-08-15 02:18:00 | ✓ | NEA (H>22) | CATCH | |
| 64 | MPEC 2020-P63 2020 PK1 | 2020-08-12 22:39:00 | ✓ | NEA (H>22) | CATCH | |
| 65 | MPEC 2020-J57 DAILY ORBIT UPDATE (2020 May 13) | 2020-05-13 12:06:00 | ||||
| 66 | MPEC 2020-H213 2020 HT7 | 2020-04-28 13:09:00 | ✓ | NEA (H>22) | CATCH | |
| 67 | MPEC 2020-H111 2020 HU3 | 2020-04-22 23:00:00 | ✓ | NEA (H>22) | CATCH | |
| 68 | MPEC 2020-H12 DAILY ORBIT UPDATE (2020 April 17) | 2020-04-17 12:05:00 | ||||
| 69 | MPEC 2020-G69 2020 GY1 | 2020-04-07 00:43:00 | ✓ | NEA (H>22) | CATCH | |
| 70 | MPEC 2020-F83 DAILY ORBIT UPDATE (2020 March 23) | 2020-03-23 12:06:00 | ||||
| 71 | MPEC 2020-F60 2020 FA2 | 2020-03-19 05:40:00 | ✓ | NEA (H>22) | CATCH | |
| 72 | MPEC 2020-E46 2020 EO | 2020-03-13 19:29:00 | ✓ | NEA (H>22) | CATCH | |
| 73 | MPEC 2019-Y02 2019 XL3 | 2019-12-16 14:56:00 | ✓ | NEA (H>22) | CATCH | |
| 74 | MPEC 2019-X96 2019 XT2 | 2019-12-09 14:11:00 | ✓ | NEA (H>22) | CATCH | |
| 75 | MPEC 2019-X87 2019 XM2 | 2019-12-07 20:53:00 | ✓ | NEA (H>22) | CATCH | |
| 76 | MPEC 2019-V143 DAILY ORBIT UPDATE (2019 November 11) | 2019-11-11 12:03:00 | ||||
| 77 | MPEC 2019-V87 2019 VD3 | 2019-11-06 22:01:00 | ✓ | NEA (H>22) | CATCH | |
| 78 | MPEC 2019-T84 DAILY ORBIT UPDATE (2019 October 5) | 2019-10-05 12:19:00 | ✓ | |||
| 79 | MPEC 2019-G66 2019 GW1 | 2019-04-05 23:31:00 | NEA (H>22) | CATCH | ||
| 80 | MPEC 2019-F19 2019 FA | 2019-03-18 00:10:00 | ✓ | NEA (H>22) | CATCH | |
| 81 | MPEC 2019-E75 2019 EU1 | 2019-03-09 11:39:00 | NEA (H>22) | CATCH | ||
| 82 | MPEC 2019-C10 2019 BE5 | 2019-02-02 21:37:00 | NEA (H>22) | CATCH | ||
| 83 | MPEC 2019-A168 2019 AW7 | 2019-01-11 12:16:00 | NEA (H>22) | CATCH | ||
| 84 | MPEC 2019-A150 DAILY ORBIT UPDATE (2019 JAN. 10 UT) | 2019-01-10 13:07:00 | ||||
| 85 | MPEC 2018-V43 DAILY ORBIT UPDATE (2018 NOV. 5 UT) | 2018-11-05 12:06:00 | ||||
| 86 | MPEC 2018-V29 DAILY ORBIT UPDATE (2018 NOV. 4 UT) | 2018-11-04 12:06:00 | ||||
| 87 | MPEC 2018-M99 DAILY ORBIT UPDATE (2018 JUNE 26 UT) | 2018-06-26 12:03:00 | ||||
| 88 | MPEC 2018-H69 DAILY ORBIT UPDATE (2018 APR. 23 UT) | 2018-04-23 12:04:00 | ||||
| 89 | MPEC 2001-J24 DAILY ORBIT UPDATE (2001 MAY 12 UT) | 2001-05-12 06:30:00 | ||||
| 90 | MPEC 1997-V28 1995 OO | 1997-11-13 23:34:00 | NEAl18 | CATCH | ||
| 91 | MPEC 1997-V22 1997 US2 | 1997-11-12 20:02:00 | PHAg18 | CATCH | ||
| 92 | MPEC 1997-V19 1997 UT9 | 1997-11-12 18:49:00 | Unusual | CATCH | ||
| 93 | MPEC 1997-V18 1997 US9 | 1997-11-12 18:39:00 | NEAl18 | CATCH | ||
| 94 | MPEC 1997-V17 1997 UH9 | 1997-11-12 18:00:00 | NEA (18>H>22) | CATCH | ||
| 95 | MPEC 1997-V16 1997 UF9 | 1997-11-12 17:24:00 | NEAl18 | CATCH | ||
| 96 | MPEC 1997-V14 1997 VN4 | 1997-11-09 17:27:00 | NEA (H>22) | CATCH | ||
| 97 | MPEC 1997-V13 1997 VM4 | 1997-11-09 17:06:00 | NEAl18 | CATCH | ||
| 98 | MPEC 1997-M11 1997 BR | 1997-06-27 16:37:00 | PHAl18 | CATCH | ||
| 99 | MPEC 1997-B12 1997 BQ | 1997-01-22 19:06:00 | ✓ | PHAl18 | CATCH | |
| 100 | MPEC 1996-H08 1996 HN | 1996-04-27 15:01:00 | NEA (18>H>22) | CATCH | ||
| 101 | MPEC 1996-H07 1996 HW1 | 1996-04-27 14:31:00 | ✓ | NEAl18 | CATCH | |
| 102 | MPEC 1996-H06 1996 GD1 | 1996-04-26 18:52:00 | NEA (18>H>22) | CATCH | ||
| 103 | MPEC 1996-B06 COMET C/1995 Y1 (HYAKUTAKE) | 1996-01-22 22:00:00 | Comet | CATCH | ||
| 104 | MPEC 1996-B04 COMET P/1996 A1 (JEDICKE) | 1996-01-22 00:17:00 | Comet | CATCH |
List of Observers
| Observers | Count |
|---|---|
| I. Sato | 9 |
| S. Isobe, Y. Osada, D. J. Asher, T. Hasegawa, T. Soyano | 13 |
| T. Hasegawa | 10 |
| H. Kosai, K. Hurukawa | 2 |
| S. Isobe, Y. Asakusa, M. Saito, K. Sasahara | 20 |
| S. Isobe, Y. Asakura, M. Saito, K. Sasahara | 2 |
| R. Ohsawa | 41 |
| R. Ohsawa, Y. Niino | 5 |
| Y. Kojima | 6 |
| R. Ohsawa, T. Morokuma | 3 |
| J. Beniyama, R. Ohsawa, S. Sako | 20 |
| J. Beniyama, S. Shigeyuki, R. Ohsawa, T. Morokuma | 102 |
| S. Shigeyuki, J. Beniyama, R. Ohsawa, T. Morokuma | 12 |
| J. Beniyama | 623 |
| R. Ohsawa, J. Beniyama | 30 |
| J. Beniyama, S. Sako | 32 |
| J. Beniyama, R. Ohsawa | 42 |
| J. Beniyama, S. Wada | 24 |
| S. Wada | 42 |
List of Measurers
| Measurers | Count |
|---|---|
| D. J. Asher | 45 |
List of Facilities
| Facilities | Count |
|---|---|
| 1.05-m f/3.1 Schmidt | 56 |
| 1.05-m Schmidt + CCD | 35 |
| 1.05-m Kiso Schmidt + CCD | 10 |
| 1.05-m f/3.1 Schmidt + CCD | 937 |