H85 Silver Spring

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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

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Year
Total MPECs
Editorial
Discovery
P/R/FU
DOU
List Update
Retraction
Other
Follow-Up
First Follow-Up
20250000000000
20240000000000
20230000000000
20220000000000
20210000000000
20200000000000
20190000000000
20180000000000
20170000000000
20160000000000
20150000000000
20140000000000
20130000000000
20121000100000
20110000000000
20100000000000
20095000300002
2008150021100020
20077001500010
20065003200000
20051000100000
20040000000000
20030000000000
20020000000000
20010000000000
20000000000000
19990000000000
19980000000000
19970000000000
19960000000000
19950000000000
19940000000000
19930000000000

List of Individual MPECs

Index
Name
Date/Time
Discoverer
First-responding Confirmer
Object Type
Search Archival Image
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Index
Name
Date/Time
Discoverer
First-responding Confirmer
Object Type
Search Archival Image
1MPEC 2012-Q01 DAILY ORBIT UPDATE (2012 AUG. 16 UT)2012-08-16 06:02:00
2MPEC 2009-R58 DAILY ORBIT UPDATE (2009 SEPT. 15 UT)2009-09-15 06:07:00
3MPEC 2009-R01 DAILY ORBIT UPDATE (2009 SEPT. 1 UT)2009-09-01 06:08:00
4MPEC 2009-Q83 DAILY ORBIT UPDATE (2009 AUG. 31 UT)2009-08-31 06:07:00
5MPEC 2009-C31 2009 CQ12009-02-04 16:35:00NEA (18>H>22)CATCH
6MPEC 2009-C09 2009 BD812009-02-02 16:46:00PHAg18CATCH
7MPEC 2008-Q12 COMET C/2008 Q1 (MATICIC)2008-08-20 22:18:00CometCATCH
8MPEC 2008-M44 DAILY ORBIT UPDATE (2008 JUNE 29 UT)2008-06-29 06:06:00
9MPEC 2008-M14 DAILY ORBIT UPDATE (2008 JUNE 19 UT)2008-06-19 06:08:00
10MPEC 2008-K41 DAILY ORBIT UPDATE (2008 MAY 27 UT)2008-05-27 06:07:00
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List of Observers

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Observers
Count
K. Levin31
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List of Measurers

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Measurers
Count
J. C. Pelle13
N. Teamo18
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List of Facilities

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Facilities
Count
0.45-m f/7.25 Ritchey-Chretien + CCD21
0.45-m f/7.25 Ritchey-Chretien + 3072x2054 CCD10
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