413 Siding Spring 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 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 | 2 | 0 | 0 | 0 | 2 | 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 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 1 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2008 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2007 | 23 | 0 | 0 | 15 | 5 | 0 | 0 | 0 | 1 | 2 |
| 2006 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| 2005 | 123 | 0 | 0 | 32 | 51 | 0 | 0 | 0 | 11 | 29 |
| 2004 | 146 | 0 | 0 | 37 | 79 | 0 | 0 | 0 | 6 | 24 |
| 2003 | 122 | 0 | 1 | 31 | 68 | 0 | 0 | 0 | 13 | 9 |
| 2002 | 114 | 0 | 0 | 23 | 57 | 0 | 0 | 0 | 21 | 13 |
| 2001 | 62 | 0 | 0 | 23 | 29 | 0 | 0 | 0 | 6 | 4 |
| 2000 | 98 | 0 | 2 | 29 | 42 | 0 | 0 | 0 | 17 | 8 |
| 1999 | 67 | 0 | 3 | 26 | 31 | 0 | 0 | 0 | 6 | 1 |
| 1998 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1997 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1996 | 41 | 0 | 7 | 32 | 0 | 0 | 0 | 0 | 2 | 0 |
| 1995 | 43 | 0 | 7 | 33 | 0 | 0 | 0 | 0 | 2 | 1 |
| 1994 | 62 | 0 | 12 | 48 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1993 | 19 | 0 | 5 | 13 | 0 | 0 | 0 | 0 | 0 | 1 |
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 2020-L42 DAILY ORBIT UPDATE (2020 June 11) | 2020-06-11 12:02:00 | ||||
| 2 | MPEC 2020-K153 DAILY ORBIT UPDATE (2020 May 24) | 2020-05-24 12:02:00 | ||||
| 3 | MPEC 2014-K25 DAILY ORBIT UPDATE (2014 MAY 22 UT) | 2014-05-22 12:02:00 | ||||
| 4 | MPEC 2013-L22 2011 HO60 | 2013-06-05 13:08:00 | TNO | CATCH | ||
| 5 | MPEC 2009-E42 DAILY ORBIT UPDATE (2009 MAR. 7 UT) | 2009-03-07 07:11:00 | ||||
| 6 | MPEC 2008-A73 DAILY ORBIT UPDATE (2008 JAN. 15 UT) | 2008-01-15 07:09:00 | ||||
| 7 | MPEC 2008-A65 COMET C/2008 A1 (McNAUGHT) | 2008-01-14 01:28:00 | Comet | CATCH | ||
| 8 | MPEC 2007-Y12 OBSERVATIONS OF COMETS | 2007-12-17 17:06:00 | Comet | CATCH | ||
| 9 | MPEC 2007-U66 COMET C/2007 T1 (McNAUGHT) | 2007-10-23 16:43:00 | Comet | CATCH | ||
| 10 | MPEC 2007-U55 DAILY ORBIT UPDATE (2007 OCT. 23 UT) | 2007-10-23 06:12:00 |
List of Observers
Observers | Count |
|---|---|
| D. I. Steel | 2 |
| R. H. McNaught, G. J. Garradd | 147 |
| G. J. Garradd, R. H. McNaught | 204 |
| A. Savage, R. H. McNaught | 12 |
| R. H. McNaught, C. P. Cass | 8 |
| and measurer R. H. McNaught | 24 |
| M. Gregg, R. H. McNaught, A. Savage | 6 |
| M. Gregg, M. Hartley, R. H. McNaught, A. Savage | 8 |
| R. H. McNaught | 1200 |
| G. J. Garradd, R. H. McNaught, P. Wood | 4 |
List of Measurers
Measurers | Count |
|---|---|
| G. J. Garradd | 18 |
| R. H. McNaught | 522 |
| G. J. Garradd, R. H. McNaught | 28 |
| R. H. McNaught, G. J. Garradd, D. J. Asher | 31 |
| R. H. McNaught, G. J. Garradd | 44 |
| R. H. McNaught. U.K. Schmidt | 6 |
| D. J. Asher. U.K. Schmidt telescope | 2 |
| R. H. McNaught, D. J. Asher | 9 |
| G. J. Garradd, R. H. MaNaught, D. J. Asher | 2 |
| D. J. Asher | 18 |
List of Facilities
Facilities | Count |
|---|---|
| 1.0-m reflector + CCD | 440 |
| Uppsala Southern Schmidt | 2 |
| 1982 observation measured by R | 5 |
| 1.0-m reflector + CCD, U.K | 6 |
| 1.0-m reflector + CCD, Uppsala Southern Schmidt | 5 |
| 3.9-m Anglo-Australian Telescope | 7 |
| 3.5-m New Technology Telescope | 2 |
| 0.5-m Uppsala Southern Schmidt, 1.0-m reflector + CCD | 7 |
| 1.0-m reflector | 24 |
| 3.9-m AAT + CCD | 9 |