H85 Silver Spring

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 Orbit Update 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 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 1 0 0 0 1 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 7 0 0 0 3 0 0 0 2 2
2008 15 0 0 2 11 0 0 0 2 0
2007 7 0 0 1 5 0 0 0 1 0
2006 5 0 0 3 2 0 0 0 0 0
2005 1 0 0 0 1 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 2005-R45 DAILY ORBIT UPDATE (2005 SEPT. 10 UT) 2005-09-10 06:14:00
2 MPEC 2006-F16 OBSERVATIONS OF COMETS 2006-03-20 22:33:00 Comet CATCH
3 MPEC 2006-F41 DAILY ORBIT UPDATE (2006 MAR. 28 UT) 2006-03-28 07:07:00
4 MPEC 2006-G46 COMET C/2006 CK10 (CATALINA) 2006-04-13 20:10:00 Comet CATCH
5 MPEC 2006-G51 OBSERVATIONS OF COMETS 2006-04-13 20:47:00 Comet CATCH
6 MPEC 2006-H38 DAILY ORBIT UPDATE (2006 APR. 26 UT) 2006-04-26 06:10:00
7 MPEC 2007-E14 DAILY ORBIT UPDATE (2007 MAR. 6 UT) 2007-03-06 07:06:00
8 MPEC 2007-J57 2007 JF22 2007-05-14 10:42:00 Unusual CATCH
9 MPEC 2007-L24 DAILY ORBIT UPDATE (2007 JUNE 8 UT) 2007-06-08 06:06:00
10 MPEC 2007-N12 DAILY ORBIT UPDATE (2007 JULY 4 UT) 2007-07-04 06:06:00
11 MPEC 2007-P04 DAILY ORBIT UPDATE (2007 AUG. 3 UT) 2007-08-03 06:07:00
12 MPEC 2007-S05 2004 ET21 2007-09-17 17:42:00 NEA (18>H>22) CATCH
13 MPEC 2007-X04 DAILY ORBIT UPDATE (2007 DEC. 1 UT) 2007-12-01 07:10:00
14 MPEC 2008-C04 DAILY ORBIT UPDATE (2008 FEB. 2 UT) 2008-02-02 07:08:00
15 MPEC 2008-D11 DAILY ORBIT UPDATE (2008 FEB. 18 UT) 2008-02-18 07:10:00
16 MPEC 2008-E19 DAILY ORBIT UPDATE (2008 MAR. 3 UT) 2008-03-03 07:08:00
17 MPEC 2008-E21 2008 EE 2008-03-03 12:45:00 PHAg18 CATCH
18 MPEC 2008-E34 2005 EY169 = 2008 EK 2008-03-03 16:13:00 NEA (H>22) CATCH
19 MPEC 2008-E59 DAILY ORBIT UPDATE (2008 MAR. 7 UT) 2008-03-07 07:08:00
20 MPEC 2008-F25 2008 FB 2008-03-24 11:43:00 NEA (H>22) CATCH
21 MPEC 2008-F33 DAILY ORBIT UPDATE (2008 MAR. 26 UT) 2008-03-26 06:07:00
22 MPEC 2008-G20 DAILY ORBIT UPDATE (2008 APR. 4 UT) 2008-04-04 06:08:00
23 MPEC 2008-J73 DAILY ORBIT UPDATE (2008 MAY 15 UT) 2008-05-15 06:08:00
24 MPEC 2008-K32 DAILY ORBIT UPDATE (2008 MAY 25 UT) 2008-05-25 06:07:00
25 MPEC 2008-K41 DAILY ORBIT UPDATE (2008 MAY 27 UT) 2008-05-27 06:07:00
26 MPEC 2008-M14 DAILY ORBIT UPDATE (2008 JUNE 19 UT) 2008-06-19 06:08:00
27 MPEC 2008-M44 DAILY ORBIT UPDATE (2008 JUNE 29 UT) 2008-06-29 06:06:00
28 MPEC 2008-Q12 COMET C/2008 Q1 (MATICIC) 2008-08-20 22:18:00 Comet CATCH
29 MPEC 2009-C09 2009 BD81 2009-02-02 16:46:00 ✓ PHAg18 CATCH
30 MPEC 2009-C31 2009 CQ1 2009-02-04 16:35:00 ✓ NEA (18>H>22) CATCH
31 MPEC 2009-Q83 DAILY ORBIT UPDATE (2009 AUG. 31 UT) 2009-08-31 06:07:00
32 MPEC 2009-R01 DAILY ORBIT UPDATE (2009 SEPT. 1 UT) 2009-09-01 06:08:00
33 MPEC 2009-R58 DAILY ORBIT UPDATE (2009 SEPT. 15 UT) 2009-09-15 06:07:00
34 MPEC 2012-Q01 DAILY ORBIT UPDATE (2012 AUG. 16 UT) 2012-08-16 06:02:00

Objects Observed by This Station (36 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
68950 2820 0 2005-08-13 2005-08-15 N/A 470
K08E00E 490 0 2008-03-01 2008-03-02 16.5 70
G2980 392 0 2008-06-24 2008-06-24 21.0 196
53426 382 0 2007-07-31 2007-07-31 16.7 191
CK02V94Q 372 0 2006-03-16 2006-04-10 19.6 93
K08J26R 162 0 2008-05-25 2008-05-26 21.6 54
K08D00E 129 0 2008-03-02 2008-03-03 22.1 43
K06G02Y 126 0 2006-04-25 2006-04-25 21.9 42
K08C22B 125 0 2008-03-02 2008-03-02 20.0 25
K07M13M 98 0 2007-07-02 2007-07-02 19.0 49
K08D00Y 88 0 2008-03-25 2008-03-25 N/A 22
CK08Q010 86 0 2008-08-19 2008-08-19 19.2 43
K09Q02G 84 0 2009-08-23 2009-08-25 17.9 12
K01M01E 74 0 2006-03-26 2006-03-27 N/A 37
K09Q36C 72 0 2009-09-13 2009-09-13 20.3 24
K07D49D 70 0 2007-03-05 2007-03-05 20.6 35
K08J00O 64 0 2008-05-13 2008-05-13 20.4 32
K08G00D 63 0 2008-04-02 2008-04-02 20.3 21
K08L16Q 62 0 2008-06-18 2008-06-18 21.7 31
K09C01Q 58 0 2009-02-03 2009-02-03 21.8 29
K08H02F 50 0 2008-05-22 2008-05-22 20.6 25
K08H66E 50 0 2008-05-22 2008-05-23 21.7 25
K09Q23C 42 0 2009-08-26 2009-08-26 21.3 14
K08E85E 39 0 2008-03-24 2008-03-24 17.5 13
K08A04E 36 0 2008-01-31 2008-01-31 22.3 12
K08E01K 33 0 2008-03-05 2008-03-05 18.7 11
CK06C10K 32 0 2006-04-02 2006-04-02 19.0 16
K07J22F 28 0 2007-05-13 2007-05-13 21.5 14
K08C00P 28 0 2008-02-16 2008-02-16 18.8 14
K09B81D 27 0 2009-02-01 2009-02-01 19.4 9
K08E09F 24 0 2008-03-09 2008-03-10 18.6 6
K04E21T 21 0 2007-09-16 2007-09-16 N/A 7
K08F00B 21 0 2008-03-23 2008-03-23 20.1 7
K07W04Z 14 0 2007-11-27 2007-11-28 20.1 7
K07L00A 12 0 2007-06-07 2007-06-07 19.5 6
K08E00K 3 0 2008-03-01 2008-03-01 18.3 1

List of Observers

Observer Group Total MPECs
Unknown 23
K.Levin 11
Individual Observer Total MPECs
Unknown 23
K.Levin 11

List of Measurers

Measurer Group Total MPECs
Unknown 23
J.C.Pelle 6
N.Teamo 5
Individual Measurer Total MPECs
Unknown 23
J.C.Pelle 6
N.Teamo 5

List of Facilities

Facilities Count
0.45-m f/7.25 Ritchey-Chretien + 3072x2054 CCD 4
0.45-m f/7.25 Ritchey-Chretien + CCD 7
Unknown 23