266 New Horizons KBO Search-Subaru
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 | 33 | 0 | 0 | 33 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 29 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 6 | 0 | 2 | 4 | 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 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2016 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2015 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2014 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 2013 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| 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 2025-C106 2022 LK14 | 2025-02-06 17:09:00 | TNO | CATCH | ||
| 2 | MPEC 2025-C105 2022 LL14 | 2025-02-06 17:06:00 | TNO | CATCH | ||
| 3 | MPEC 2025-C104 2022 LB15 | 2025-02-06 17:06:00 | TNO | CATCH | ||
| 4 | MPEC 2025-C103 2021 LY43 | 2025-02-06 17:04:00 | TNO | CATCH | ||
| 5 | MPEC 2025-C102 2021 MA23 | 2025-02-06 17:03:00 | TNO | CATCH | ||
| 6 | MPEC 2025-C101 2021 LW43 | 2025-02-06 17:01:00 | TNO | CATCH | ||
| 7 | MPEC 2025-C100 2021 LB45 | 2025-02-06 17:01:00 | TNO | CATCH | ||
| 8 | MPEC 2025-C99 2021 MY22 | 2025-02-06 16:59:00 | TNO | CATCH | ||
| 9 | MPEC 2025-C98 2022 LB14 | 2025-02-06 16:59:00 | TNO | CATCH | ||
| 10 | MPEC 2025-C97 2022 LJ14 | 2025-02-06 16:57:00 | TNO | CATCH | ||
| 11 | MPEC 2025-C96 2022 LH15 | 2025-02-06 16:56:00 | TNO | CATCH | ||
| 12 | MPEC 2025-C95 2022 LC15 | 2025-02-06 16:55:00 | TNO | CATCH | ||
| 13 | MPEC 2025-C94 2022 LE16 | 2025-02-06 16:54:00 | TNO | CATCH | ||
| 14 | MPEC 2025-C93 2022 LP15 | 2025-02-06 16:53:00 | TNO | CATCH | ||
| 15 | MPEC 2025-C92 2022 LY14 | 2025-02-06 16:52:00 | TNO | CATCH | ||
| 16 | MPEC 2025-C91 2022 LX16 | 2025-02-06 16:50:00 | TNO | CATCH | ||
| 17 | MPEC 2025-C90 2022 LL15 | 2025-02-06 16:50:00 | TNO | CATCH | ||
| 18 | MPEC 2025-C89 2022 LA17 | 2025-02-06 16:47:00 | TNO | CATCH | ||
| 19 | MPEC 2025-C88 2022 LM16 | 2025-02-06 16:45:00 | TNO | CATCH | ||
| 20 | MPEC 2025-C87 2022 LV15 | 2025-02-06 16:41:00 | TNO | CATCH | ||
| 21 | MPEC 2025-C86 2022 LF14 | 2025-02-06 16:40:00 | TNO | CATCH | ||
| 22 | MPEC 2025-C85 2022 LC14 | 2025-02-06 16:36:00 | TNO | CATCH | ||
| 23 | MPEC 2025-C84 2022 LJ15 | 2025-02-06 16:35:00 | TNO | CATCH | ||
| 24 | MPEC 2025-C83 2022 LZ15 | 2025-02-06 16:32:00 | TNO | CATCH | ||
| 25 | MPEC 2025-C82 2022 LM15 | 2025-02-06 16:31:00 | TNO | CATCH | ||
| 26 | MPEC 2025-C81 2022 LS14 | 2025-02-06 16:28:00 | TNO | CATCH | ||
| 27 | MPEC 2025-C80 2022 LW16 | 2025-02-06 16:27:00 | TNO | CATCH | ||
| 28 | MPEC 2025-C79 2022 LY16 | 2025-02-06 16:11:00 | TNO | CATCH | ||
| 29 | MPEC 2025-C78 2022 LR14 | 2025-02-06 16:10:00 | TNO | CATCH | ||
| 30 | MPEC 2025-C77 2022 LK15 | 2025-02-06 16:07:00 | TNO | CATCH | ||
| 31 | MPEC 2025-C76 2021 MX22 | 2025-02-06 16:02:00 | TNO | CATCH | ||
| 32 | MPEC 2025-C75 2021 LV44 | 2025-02-06 16:00:00 | TNO | CATCH | ||
| 33 | MPEC 2025-B147 2009 MA10 | 2025-01-27 18:58:00 | Unusual | CATCH | ||
| 34 | MPEC 2024-E122 2022 LR16 | 2024-03-08 01:41:00 | TNO | CATCH | ||
| 35 | MPEC 2024-E121 2021 LZ44 | 2024-03-08 01:06:00 | TNO | CATCH | ||
| 36 | MPEC 2024-E120 2022 LW14 | 2024-03-08 01:05:00 | TNO | CATCH | ||
| 37 | MPEC 2024-E116 2022 LY13 | 2024-03-07 22:23:00 | TNO | CATCH | ||
| 38 | MPEC 2024-E115 2022 LO16 | 2024-03-07 22:21:00 | TNO | CATCH | ||
| 39 | MPEC 2024-E114 2022 LW13 | 2024-03-07 22:19:00 | TNO | CATCH | ||
| 40 | MPEC 2024-E113 2022 LA15 | 2024-03-07 22:15:00 | TNO | CATCH | ||
| 41 | MPEC 2024-E101 2021 LJ44 | 2024-03-06 20:07:00 | TNO | CATCH | ||
| 42 | MPEC 2024-E100 2021 LX44 | 2024-03-06 20:04:00 | TNO | CATCH | ||
| 43 | MPEC 2024-E99 2014 OS393 | 2024-03-06 20:03:00 | TNO | CATCH | ||
| 44 | MPEC 2024-E98 2021 LV43 | 2024-03-06 20:01:00 | TNO | CATCH | ||
| 45 | MPEC 2024-E97 2021 LQ44 | 2024-03-06 19:59:00 | TNO | CATCH | ||
| 46 | MPEC 2024-E96 2021 LM44 | 2024-03-06 19:58:00 | TNO | CATCH | ||
| 47 | MPEC 2024-E95 2021 LO44 | 2024-03-06 19:57:00 | TNO | CATCH | ||
| 48 | MPEC 2024-E94 2021 LY44 | 2024-03-06 19:55:00 | TNO | CATCH | ||
| 49 | MPEC 2024-E93 2021 LH44 | 2024-03-06 19:51:00 | TNO | CATCH | ||
| 50 | MPEC 2024-E92 2021 LZ43 | 2024-03-06 19:47:00 | TNO | CATCH | ||
| 51 | MPEC 2024-E91 2021 LW44 | 2024-03-06 19:45:00 | TNO | CATCH | ||
| 52 | MPEC 2024-E90 2021 LX43 | 2024-03-06 19:43:00 | TNO | CATCH | ||
| 53 | MPEC 2024-E89 2021 LR44 | 2024-03-06 19:41:00 | TNO | CATCH | ||
| 54 | MPEC 2024-E88 2021 LA44 | 2024-03-06 19:38:00 | TNO | CATCH | ||
| 55 | MPEC 2024-E87 2021 LE44 | 2024-03-06 19:36:00 | TNO | CATCH | ||
| 56 | MPEC 2024-E60 2020 KE53 | 2024-03-05 17:32:00 | TNO | CATCH | ||
| 57 | MPEC 2024-E59 2022 LO17 | 2024-03-05 17:30:00 | TNO | CATCH | ||
| 58 | MPEC 2024-E58 2020 KD53 | 2024-03-05 17:25:00 | TNO | CATCH | ||
| 59 | MPEC 2024-E57 2021 LS44 | 2024-03-05 17:18:00 | TNO | CATCH | ||
| 60 | MPEC 2024-E56 2020 KJ60 | 2024-03-05 17:16:00 | TNO | CATCH | ||
| 61 | MPEC 2024-E55 2021 LB44 | 2024-03-05 17:14:00 | TNO | CATCH | ||
| 62 | MPEC 2024-E54 2021 LC44 | 2024-03-05 17:11:00 | TNO | CATCH | ||
| 63 | MPEC 2023-U28 2014 MH105 | 2023-10-16 20:48:00 | ✓ | TNO | CATCH | |
| 64 | MPEC 2023-F132 SIX NEW TNOS | 2023-03-24 21:09:00 | ✓ | TNO | CATCH | |
| 65 | MPEC 2023-F110 2021 LP44 | 2023-03-22 20:29:00 | TNO | CATCH | ||
| 66 | MPEC 2023-F109 2021 LD44 | 2023-03-22 20:27:00 | Unusual | CATCH | ||
| 67 | MPEC 2023-F108 2013 LU35 | 2023-03-22 20:24:00 | TNO | CATCH | ||
| 68 | MPEC 2023-F106 2014 PN70 | 2023-03-22 18:48:00 | TNO | CATCH | ||
| 69 | MPEC 2017-M31 2011 HJ103 | 2017-06-20 23:55:00 | TNO | CATCH | ||
| 70 | MPEC 2016-B36 2012 HE85 | 2016-01-20 14:48:00 | ✓ | TNO | CATCH | |
| 71 | MPEC 2014-E67 2012 HZ84 | 2014-03-11 21:40:00 | ✓ | TNO | CATCH | |
| 72 | MPEC 2014-E66 2011 HK103 | 2014-03-11 21:19:00 | ✓ | TNO | CATCH | |
| 73 | MPEC 2012-X60 2011 JY31 | 2012-12-11 23:08:00 | ✓ | TNO | CATCH | |
| 74 | MPEC 2012-X59 2011 JX31 | 2012-12-11 23:01:00 | ✓ | TNO | CATCH | |
| 75 | MPEC 2012-W25 2011 HZ102 | 2012-11-20 20:24:00 | ✓ | TNO | CATCH | |
| 76 | MPEC 2012-T05 2011 HM102 | 2012-10-02 16:41:00 | ✓ | Unusual | CATCH |
List of Observers
| Observers | Count |
|---|---|
| D. J. Tholen, M. W. Buie, D. Trilling, J. Spencer, D. Tholen | 8 |
| D. J. Tholen, M. W. Buie | 2 |
| D. J. Tholen, M. W. Buie, D. Trilling, J. Spencer | 23 |
| D. J. Tholen, M. W. Buie, D. Trilling, J. Spencer, A. H. Parker | 12 |
| M. W. Buie, A. H. Parker, D. J. Tholen | 10 |
| S. B. Porter, S. Sheppard | 11 |
| J. J. Kavelaars, W. E. Fraser, S. B. Porter, T. Terai, A. Verbiscer, F. Yoshida | 252 |
| S. Sheppard, S. Benecchi, A. Verbiscer, T. Ito | 15 |
| J. J. Kavelaars, T. Terai, S. B. Porter, F. Yoshida, S. Benecchi, A. Verbiscer, T. Ito | 15 |
| J. J. Kavelaars, F. Yoshida, S. B. Porter, T. Terai | 12 |
| A. Verbiscer, F. Yoshida, T. Ito, S. Benecchi | 12 |
| J. J. Kavelaars, T. Terai, S. B. Porter, F. Yoshida, T. Ito, A. Verbiscer, S. Sheppard | 12 |
| S. Sheppard, L. Peltier, T. Ito, A. Verbiscer, S. Benecchi | 9 |
| T. Ito, F. Yoshida, A. Verbiscer, S. B. Porter, J. J. Kavelaars | 6 |
| S. Benecchi, A. Verbiscer, T. Ito | 162 |
| J. J. Kavelaars, T. Terai, S. B. Porter, F. Yoshida | 9 |
| S. B. Porter | 9 |
| L. Peltier, T. Ito, A. Verbiscer, S. Benecchi | 186 |
List of Measurers
| Measurers | Count |
|---|---|
| M. W. Buie, D. M. Borncamp | 55 |
| S. B. Porter | 50 |
| R. Leiva, J. Spencer, T. Lauer, S. Benecchi, K. Singer, F. Glass, M. Skrutskie, A. Alexander, P. Hong, H. Reitsema, E. Lin, P. Lykawka, T. Ito, R. Marschall, A. Simpson, M. Banks, R. Ishimaru, T. Holt, M. Postman, C. Olkin, F. Yoshida, K. Arimatsu, V. Bray, A. Stern, R. Rufu, H. Throop, C. Ferrell, P. Quirico, P. Johnson, R. Elmaarry, D. Gerdes, J. Nunez, P. Schenk, K. Runyon, N. Martin, A. Steffl, V. Klein, M. Horanyi, C. Hersman, A. Roos, J. Stansberry, A. Rhodens, S. Gwyn | 252 |
| S. B. Porter, W. E. Fraser, J. J. Kavelaars, L. Peltier | 204 |
| S. B. Porter, W. E. Fraser, J. J. Kavelaars | 195 |
List of Facilities
| Facilities | Count |
|---|---|
| 8.2m Subaru Telescope + CCD | 252 |
| 8.2mn Subaru Telescope + CCD | 447 |