950 La Palma
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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2024 | 38 | 0 | 1 | 24 | 4 | 0 | 0 | 0 | 8 | 1 |
| 2023 | 60 | 0 | 1 | 19 | 12 | 0 | 0 | 0 | 27 | 1 |
| 2022 | 35 | 0 | 0 | 8 | 8 | 0 | 0 | 0 | 17 | 2 |
| 2021 | 5 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 |
| 2020 | 11 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 4 | 0 |
| 2019 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 15 | 0 | 2 | 0 | 11 | 0 | 0 | 0 | 1 | 1 |
| 2017 | 20 | 0 | 0 | 3 | 17 | 0 | 0 | 0 | 0 | 0 |
| 2016 | 28 | 0 | 0 | 7 | 21 | 0 | 0 | 0 | 0 | 0 |
| 2015 | 58 | 0 | 4 | 13 | 38 | 0 | 0 | 0 | 3 | 0 |
| 2014 | 72 | 0 | 5 | 4 | 62 | 0 | 0 | 0 | 0 | 1 |
| 2013 | 17 | 0 | 0 | 3 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 21 | 0 | 0 | 4 | 16 | 0 | 0 | 0 | 1 | 0 |
| 2011 | 20 | 0 | 0 | 2 | 16 | 0 | 0 | 0 | 2 | 0 |
| 2010 | 12 | 0 | 0 | 2 | 10 | 0 | 0 | 0 | 0 | 0 |
| 2009 | 5 | 0 | 0 | 0 | 5 | 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 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2005 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 |
| 2004 | 18 | 0 | 0 | 1 | 15 | 0 | 0 | 0 | 1 | 1 |
| 2003 | 42 | 0 | 0 | 5 | 37 | 0 | 0 | 0 | 0 | 0 |
| 2002 | 54 | 0 | 0 | 17 | 34 | 0 | 0 | 0 | 2 | 1 |
| 2001 | 29 | 0 | 1 | 10 | 10 | 0 | 0 | 0 | 5 | 3 |
| 2000 | 5 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1999 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 11 |
| 1998 | 5 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1997 | 5 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1996 | 6 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1995 | 11 | 0 | 1 | 9 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1994 | 4 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1993 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
List of Individual MPECs
Index | Name | Date/Time | Discoverer | First-responding Confirmer | Object Type | Search Archival Image |
|---|
Index | Name | Date/Time | Discoverer | First-responding Confirmer | Object Type | Search Archival Image |
|---|---|---|---|---|---|---|
| 1 | MPEC 2025-D151 A/2025 A7 | 2025-02-24 15:18:00 | Comet | CATCH | ||
| 2 | MPEC 2024-X74 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2024-12-04 00:44:00 | Comet | CATCH | ||
| 3 | MPEC 2024-W09 COMET C/2024 V2 (Sarneczky) | 2024-11-18 01:14:00 | Comet | CATCH | ||
| 4 | MPEC 2024-V184 COMET C/2024 V1 (Borisov) | 2024-11-13 20:45:00 | Comet | CATCH | ||
| 5 | MPEC 2024-V117 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2024-11-10 01:11:00 | Comet | CATCH | ||
| 6 | MPEC 2024-T259 COMET P/2024 S2 (Rankin) | 2024-10-12 03:13:00 | Comet | CATCH | ||
| 7 | MPEC 2024-T253 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2024-10-11 21:38:00 | Comet | CATCH | ||
| 8 | MPEC 2024-T138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS | 2024-10-06 05:57:00 | Comet | CATCH | ||
| 9 | MPEC 2024-T22 COMET C/2024 S1 (ATLAS) | 2024-10-01 19:42:00 | Comet | CATCH | ||
| 10 | MPEC 2024-S159 DAILY ORBIT UPDATE (2024 September 29) | 2024-09-29 12:21:00 |
List of Observers
Observers | Count |
|---|---|
| I. P. Williams, A. Fitzsimmons, D. O'Ceallaigh | 16 |
| M. Irwin, A. Zytkow, S. Tremaine, R. Webster | 8 |
| M. R. Kidger | 18 |
| A. Fitzsimmons, D. O'Ceallaigh, I. Williams, M. Kidger | 9 |
| A. Fitzsimmons, D. O'Ceallaigh, I. P. Williams | 3 |
| A. Fitzsimmons, D. O'Ceallaigh, I. Williams | 3 |
| D. O'Ceallaigh, M. Irwin, A. Fitzsimmons, I. P. Williams | 5 |
| A. Fitzsimmons, M. Cartright | 2 |
| D. Pollacco | 5 |
| P. Magnusson, J. Lagerros | 8 |
List of Measurers
Measurers | Count |
|---|---|
| G. V. Williams | 18 |
| A. Fitzsimmons | 16 |
| M. Dahlgren, P. Magnusson | 4 |
| E. Fletcher, A. Fitzsimmons | 8 |
| B. Gladman | 20 |
| T. Grav, M. J. Holman, M. W. Buie | 13 |
| A. Fitzsimmons, M. W. Buie | 2 |
| M. Holman, T. Grav | 58 |
| T. Grav, C. Ernst, M. J. Holman | 9 |
| B. Gladman, M. Holman, T. Grav | 12 |
List of Facilities
Facilities | Count |
|---|---|
| 2.5-m Isaac Newton telescope + CCD | 23 |
| 2.5-m Isaac Newton Telescope | 46 |
| 4.1- | 3 |
| 0.0 | 4 |
| 950201 950 0.04+ 0.01- | 4 |
| 2.5-m Isaac Newton telescope | 6 |
| 950407 950 0.06+ 0.01- | 2 |
| 1.0-m Kapteyn reflector | 2 |
| 2.5-m Isaac Newton reflector | 5 |
| 2.5-m Nordic Optical Telescope | 25 |