801 Oak Ridge Observatory
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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
2023 | 1 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
1995 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1994 | 6 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 1 |
1993 | 2 | 0 | 0 | 2 | 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 2023-J76 COMET C/1951 G2 = C/1952 C1 (Groeneveld-Palomar) | 2023-05-10 02:11:00 | Comet | CATCH | ||
2 | MPEC 1996-K04 1996 JA1 | 1996-05-18 14:03:00 | PHAg18 | CATCH | ||
3 | MPEC 1994-W03 1994 TW1 | 1994-11-28 15:21:00 | NEAl18 | CATCH | ||
4 | MPEC 1994-R02 1994 QC | 1994-09-05 15:26:00 | NEA (18>H>22) | CATCH | ||
5 | MPEC 1994-P09 1994 PM | 1994-08-12 16:56:00 | PHAl18 | CATCH | ||
6 | MPEC 1994-L01 1994 JC | 1994-06-02 13:46:00 | Unusual | CATCH | ||
7 | MPEC 1994-J05 1994 JC | 1994-05-10 19:55:00 | ✓ | Unusual | CATCH | |
8 | MPEC 1994-H07 1994 AE2 | 1994-04-29 20:52:00 | Unusual | CATCH | ||
9 | MPEC 1993-W04 1993 UB | 1993-11-19 13:47:00 | NEAl18 | CATCH | ||
10 | MPEC 1993-S11 1988 RE | 1993-09-22 19:22:00 | Unusual | CATCH |
List of Observers
Observers | Count |
---|---|
R. E. McCrosky, C.-Y. Shao | 6 |
R. E. McCrosky | 22 |
List of Measurers
Measurers | Count |
---|---|
M. Meyer, G. W. Kronk | 1 |
List of Facilities
Facilities | Count |
---|---|
1.5-m reflector + CCD | 10 |
1.5-m Wyeth reflector + CCD | 12 |
1.5-m reflector | 6 |
3-inch Ross-Fecker camera | 1 |