250 Hubble

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 3 0 0 3 0 0 0 0 0 0
2023 5 0 0 5 0 0 0 0 0 0
2022 4 0 0 4 0 0 0 0 0 0
2021 1 0 0 1 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 1 0 0 1 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 1 0 0 1 0 0 0 0 0 0
2014 2 0 0 2 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 1 0 1 0 0 0 0 0 0 0
2002 1 0 0 1 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 2024-L140 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-06-14 22:23:00 Comet CATCH
2 MPEC 2024-J199 2017 DW159 2024-05-08 20:13:00 Unusual CATCH
3 MPEC 2024-F21 TWO FRAGMENTS OF COMET 323P/SOHO 2024-03-19 05:56:00 Comet CATCH
4 MPEC 2023-X98 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-06 08:53:00 Comet CATCH
5 MPEC 2023-U89 2020 KG54 2023-10-18 18:26:00 TNO CATCH
6 MPEC 2023-U26 2020 KX55 2023-10-16 20:41:00 TNO CATCH
7 MPEC 2023-U24 2020 KJ56 2023-10-16 20:36:00 TNO CATCH
8 MPEC 2023-U23 2020 KY53 2023-10-16 20:34:00 Unusual CATCH
9 MPEC 2022-V65 2020 KS11 2022-11-02 19:16:00 TNO CATCH
10 MPEC 2022-V64 2020 KP11 2022-11-02 19:03:00 TNO CATCH
11 MPEC 2022-V63 2020 KV11 2022-11-02 19:00:00 TNO CATCH
12 MPEC 2022-P114 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-08-13 04:21:00 Comet CATCH
13 MPEC 2021-P47 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-08-06 07:05:00 Comet CATCH
14 MPEC 2018-U70 OBSERVATIONS AND ORBITS OF COMETS 2018-10-25 21:24:00 Comet CATCH
15 MPEC 2015-G03 OBSERVATIONS AND ORBITS OF COMETS 2015-04-01 17:12:00 Comet CATCH
16 MPEC 2014-R69 OBSERVATIONS AND ORBITS OF COMETS 2014-09-07 15:55:00 Comet CATCH
17 MPEC 2014-Q43 OBSERVATIONS AND ORBITS OF COMETS 2014-08-25 02:39:00 Comet CATCH
18 MPEC 2003-P05 2003 BF91, 2003 BG91, 2003 BH91, 2003 LD9 2003-08-02 20:42:00 ✓ TNO CATCH
19 MPEC 2002-D40 2001 XR31 2002-02-26 15:03:00 PHAl18 CATCH

List of Observers

Observers Count
E. Groth, WF/PC science team 2
D. Jewitt, H. Weaver, M. Mutchler 102
J.-Y. Li, M. S. P. Kelley, N. H. Samarasinha, D. Bodewits, M. F. A'Hearn, C. M. Lisse, W. A. Delamere, M. Mutchler, T. L. Farnham 26
D. Jewitt, H. Weaver, M. Mutchler, S. Larson, Y. Kim 3
J. Agarwal 5
D. Jewitt 6
S. B. Porter 10
M.-T. Hui 38
J. Rhoads 1
K. J. Meech, D. Jewitt 18

List of Measurers

Measurers Count
R. Evans, K. Stapelfeldt 2
G. Bernstein, D. Trilling 34
J. Agarwal 105
M. Micheli, D. Farnocchia, J.-Y. Li, J. D. Giorgini 26
Y. Kim 6
S. Deen 108

List of Facilities

Facilities Count
2.4-m reflector + CCD 28
2.4-m Hubble Space Telescope + CCD 38