269 Magellan-Baade Telescope

Where is this 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 13 0 0 0 0 0 0 0 0 13
2024 0 0 0 0 0 0 0 0 0 0
2023 0 0 0 0 0 0 0 0 0 0
2022 1 0 0 0 1 0 0 0 0 0
2021 1 0 0 0 1 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 1 0 0 0 0 0 0 0 1 0
2013 0 0 0 0 0 0 0 0 0 0
2012 5 0 0 0 0 0 0 0 4 1
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-G21 2023 PG5 2025-04-01 15:48:00 ✓ TNO CATCH
2 MPEC 2025-G20 2023 PF5 2025-04-01 15:47:00 ✓ TNO CATCH
3 MPEC 2025-G19 2023 PE5 2025-04-01 15:41:00 ✓ Unusual CATCH
4 MPEC 2025-G18 2023 PD5 2025-04-01 15:38:00 ✓ Unusual CATCH
5 MPEC 2025-G17 2023 PC5 2025-04-01 15:01:00 ✓ TNO CATCH
6 MPEC 2025-G16 2023 PB5 2025-04-01 15:00:00 ✓ TNO CATCH
7 MPEC 2025-G15 2023 PA5 2025-04-01 14:56:00 ✓ TNO CATCH
8 MPEC 2025-G14 2023 PZ4 2025-04-01 14:55:00 ✓ TNO CATCH
9 MPEC 2025-F110 2023 PY4 2025-03-24 15:12:00 ✓ Unusual CATCH
10 MPEC 2025-F109 2020 BU175 2025-03-24 15:06:00 ✓ TNO CATCH
11 MPEC 2025-F108 2020 BT175 2025-03-24 15:05:00 ✓ TNO CATCH
12 MPEC 2025-F14 2023 PX4 2025-03-19 14:19:00 ✓ TNO CATCH
13 MPEC 2025-F13 2023 PW4 2025-03-19 14:16:00 ✓ TNO CATCH
14 MPEC 2022-O13 DAILY ORBIT UPDATE (2022 July 20) 2022-07-20 12:01:00
15 MPEC 2021-O35 DAILY ORBIT UPDATE (2021 July 21) 2021-07-21 12:09:00
16 MPEC 2014-E66 2011 HK103 2014-03-11 21:19:00 TNO CATCH
17 MPEC 2012-X60 2011 JY31 2012-12-11 23:08:00 TNO CATCH
18 MPEC 2012-X59 2011 JX31 2012-12-11 23:01:00 TNO CATCH
19 MPEC 2012-W26 2011 JW31 2012-11-20 20:30:00 ✓ TNO CATCH
20 MPEC 2012-W25 2011 HZ102 2012-11-20 20:24:00 TNO CATCH
21 MPEC 2012-T05 2011 HM102 2012-10-02 16:41:00 Unusual CATCH

List of Observers

Observers Count
D. J. Osip, S. S. Sheppard, M. J. Holman, A. H. Parker 106
D. J. Osip, S. S. Sheppard 24
S. S. Sheppard 50
S. S. Sheppard, C. Trujillo, K. Farrell 16

List of Measurers

Measurers Count
A. H. Parker, M. W. Buie, D. M. Borncamp 115
M. W. Buie, D. M. Borncamp, A. H. Parker 15
S. S. Sheppard, C. Trujillo 16

List of Facilities

Facilities Count
6.5-m Magellan-Baade telescope + CCD 66