671 Stony Ridge

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 2 0 0 1 0 0 0 0 1 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 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 6 0 0 2 3 0 0 0 1 0
2004 14 0 0 1 11 0 0 0 2 0
2003 12 0 0 1 8 0 0 0 2 1
2002 13 0 0 0 7 0 0 0 6 0
2001 6 0 0 0 3 0 0 0 3 0
2000 0 0 0 0 0 0 0 0 0 0
1999 1 0 0 0 0 0 0 0 1 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 2 0 0 2 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 1994-G02 1994 EF2 1994-04-07 16:48:00 NEAl18 CATCH
2 MPEC 1994-S02 1994 RH 1994-09-16 18:34:00 NEAl18 CATCH
3 MPEC 1999-T31 1999 TB5 1999-10-07 18:23:00 NEA (18>H>22) CATCH
4 MPEC 2001-M37 DAILY ORBIT UPDATE (2001 JUNE 25 UT) 2001-06-25 06:15:00
5 MPEC 2001-N35 2001 NH6 2001-07-15 17:12:00 NEA (18>H>22) CATCH
6 MPEC 2001-O27 DAILY ORBIT UPDATE (2001 JULY 23 UT) 2001-07-23 06:16:00
7 MPEC 2001-O28 2001 OK17 2001-07-23 14:41:00 Unusual CATCH
8 MPEC 2001-S34 2001 SB170 2001-09-25 18:38:00 NEA (H>22) CATCH
9 MPEC 2001-X33 DAILY ORBIT UPDATE (2001 DEC. 10 UT) 2001-12-10 07:07:00
10 MPEC 2002-G69 2002 GZ8 2002-04-15 22:24:00 PHAg18 CATCH
11 MPEC 2002-H02 2002 GM9 2002-04-16 16:21:00 NEA (18>H>22) CATCH
12 MPEC 2002-K01 DAILY ORBIT UPDATE (2002 MAY 16 UT) 2002-05-16 06:08:00
13 MPEC 2002-N42 DAILY ORBIT UPDATE (2002 JULY 15 UT) 2002-07-15 06:06:00
14 MPEC 2002-P50 DAILY ORBIT UPDATE (2002 AUG. 12 UT) 2002-08-12 06:10:00
15 MPEC 2002-P51 2002 PD43 2002-08-12 14:32:00 PHAg18 CATCH
16 MPEC 2002-Q01 DAILY ORBIT UPDATE (2002 AUG. 16 UT) 2002-08-16 06:10:00
17 MPEC 2002-R36 2002 RT112 2002-09-09 00:18:00 NEA (18>H>22) CATCH
18 MPEC 2002-R37 2002 RV112 2002-09-09 00:23:00 NEAl18 CATCH
19 MPEC 2002-R39 DAILY ORBIT UPDATE (2002 SEPT. 9 UT) 2002-09-09 06:06:00
20 MPEC 2002-R43 2002 RP120 2002-09-10 23:34:00 Unusual CATCH
21 MPEC 2002-W37 DAILY ORBIT UPDATE (2002 NOV. 25 UT) 2002-11-25 07:07:00
22 MPEC 2002-X52 DAILY ORBIT UPDATE (2002 DEC. 9 UT) 2002-12-09 07:07:00
23 MPEC 2003-C50 2003 CN17 2003-02-10 01:18:00 NEA (18>H>22) CATCH
24 MPEC 2003-C52 2003 CL18 2003-02-10 13:48:00 ✓ NEA (18>H>22) CATCH
25 MPEC 2003-C56 DAILY ORBIT UPDATE (2003 FEB. 11 UT) 2003-02-11 07:07:00
26 MPEC 2003-F63 DAILY ORBIT UPDATE (2003 MAR. 31 UT) 2003-03-31 07:07:00
27 MPEC 2003-N13 DAILY ORBIT UPDATE (2003 JULY 4 UT) 2003-07-04 06:04:00
28 MPEC 2003-N36 DAILY ORBIT UPDATE (2003 JULY 8 UT) 2003-07-08 06:05:00
29 MPEC 2003-N37 DAILY ORBIT UPDATE (2003 JULY 9 UT) 2003-07-09 06:05:00
30 MPEC 2003-P11 DAILY ORBIT UPDATE (2003 AUG. 5 UT) 2003-08-05 06:05:00
31 MPEC 2003-P25 COMET P/2003 O3 (LINEAR) 2003-08-05 21:10:00 Comet CATCH
32 MPEC 2003-S78 DAILY ORBIT UPDATE (2003 SEPT. 29 UT) 2003-09-29 06:07:00
33 MPEC 2003-T01 DAILY ORBIT UPDATE (2003 OCT. 1 UT) 2003-10-01 06:07:00
34 MPEC 2004-E42 2004 EU 2004-03-14 13:22:00 Unusual CATCH
35 MPEC 2004-E44 DAILY ORBIT UPDATE (2004 MAR. 15 UT) 2004-03-15 07:09:00
36 MPEC 2004-F43 1994 LY 2004-03-21 15:31:00 NEAl18 CATCH
37 MPEC 2004-F51 DAILY ORBIT UPDATE (2004 MAR. 23 UT) 2004-03-23 07:09:00
38 MPEC 2004-F55 DAILY ORBIT UPDATE (2004 MAR. 24 UT) 2004-03-24 07:10:00
39 MPEC 2004-H78 DAILY ORBIT UPDATE (2004 APR. 27 UT) 2004-04-27 06:13:00
40 MPEC 2004-O21 DAILY ORBIT UPDATE (2004 JULY 20 UT) 2004-07-20 06:09:00
41 MPEC 2004-R67 DAILY ORBIT UPDATE (2004 SEPT. 13 UT) 2004-09-13 06:06:00
42 MPEC 2004-R77 DAILY ORBIT UPDATE (2004 SEPT. 14 UT) 2004-09-14 06:07:00
43 MPEC 2004-S03 2004 RC252 2004-09-16 18:36:00 NEA (18>H>22) CATCH
44 MPEC 2004-S16 DAILY ORBIT UPDATE (2004 SEPT. 18 UT) 2004-09-18 06:08:00
45 MPEC 2004-W09 DAILY ORBIT UPDATE (2004 NOV. 19 UT) 2004-11-19 07:07:00
46 MPEC 2004-W37 DAILY ORBIT UPDATE (2004 NOV. 23 UT) 2004-11-23 07:07:00
47 MPEC 2004-Y26 DAILY ORBIT UPDATE (2004 DEC. 20 UT) 2004-12-20 07:10:00
48 MPEC 2005-N73 COMET C/2005 N4 (CATALINA) 2005-07-14 15:10:00 Comet CATCH
49 MPEC 2005-Q34 2000 QV7 2005-08-28 12:48:00 PHAg18 CATCH
50 MPEC 2005-Q45 2005 QN11 2005-08-29 14:36:00 NEA (18>H>22) CATCH
51 MPEC 2005-R23 DAILY ORBIT UPDATE (2005 SEPT. 5 UT) 2005-09-05 06:14:00
52 MPEC 2005-R26 DAILY ORBIT UPDATE (2005 SEPT. 6 UT) 2005-09-06 06:14:00
53 MPEC 2005-R41 DAILY ORBIT UPDATE (2005 SEPT. 9 UT) 2005-09-09 06:14:00
54 MPEC 2025-P138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-08-12 16:13:00 Comet CATCH
55 MPEC 2025-R98 2025 QG39 2025-09-15 07:11:00 NEA (H>22) CATCH

Objects Observed by This Station (96 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
K04V17D 2530 0 2004-11-18 2004-11-18 21.2 115
K04V17C 1080 0 2004-11-18 2004-11-18 19.4 45
K04V00B 1064 0 2004-11-18 2004-11-18 19.0 56
K04V14W 400 0 2004-11-18 2004-11-18 16.1 50
K02N16W 399 0 2002-07-14 2002-07-14 20.4 133
K03M04K 351 0 2003-07-03 2003-07-07 19.8 39
K03B47K 342 0 2003-02-09 2003-02-09 N/A 114
K03B44D 240 0 2003-02-09 2003-02-09 21.0 60
K02G08Z 232 0 2002-04-14 2002-04-14 20.8 116
K04V60T 216 0 2004-11-18 2004-11-18 N/A 27
K05Q11N 216 0 2005-08-28 2005-08-28 22.2 72
K04H33K 210 0 2004-11-18 2004-11-18 21.6 30
K05Q10S 207 0 2005-09-04 2005-09-04 18.3 69
K05C69V 204 0 2005-09-04 2005-09-04 20.2 68
K02N07T 165 0 2002-07-14 2002-07-14 20.2 55
K03C17N 162 0 2003-02-09 2003-02-09 19.7 27
K04L03V 150 0 2004-11-18 2004-11-18 21.0 50
K04U01R 144 0 2004-11-18 2004-11-18 N/A 36
K03C01R 132 0 2003-02-09 2003-02-09 19.6 33
K04M06F 132 0 2004-07-18 2004-07-18 20.0 33
K04RA9Y 132 0 2004-09-12 2004-09-12 22.5 33
J98S49S 129 0 2003-08-03 2003-08-03 18.4 43
K03B47T 128 0 2003-02-09 2003-02-09 17.7 32
K01U16Z 126 0 2001-12-09 2001-12-09 17.8 42
K04X29M 114 0 2004-12-19 2004-12-19 21.3 19
K02F07G 112 0 2003-08-03 2003-08-03 21.4 28
K03R11W 112 0 2003-09-28 2003-09-28 22.1 28
K03M04H 111 0 2003-07-07 2003-07-07 18.9 37
K03B21B 105 0 2003-02-09 2003-02-09 21.5 35
K04H12F 105 0 2004-04-25 2004-04-25 18.9 21
K02E09Q 102 0 2002-08-15 2002-08-15 16.8 51
K02N16V 98 0 2002-07-14 2002-07-14 18.7 49
K03M09T 93 0 2003-07-07 2003-07-07 N/A 31
J98W24T 92 0 2001-12-09 2001-12-09 16.4 46
K01W47C 92 0 2004-09-12 2004-09-12 19.7 23
K02N04N 88 0 2002-08-11 2002-08-11 17.6 44
K02P43D 85 0 2002-08-11 2002-08-15 21.1 17
J99D07B 84 0 2003-08-03 2003-08-03 19.0 28
K02O20D 84 0 2002-08-11 2002-08-11 N/A 28
K03S84K 84 0 2003-09-28 2003-09-28 20.9 14
K04M06D 84 0 2004-07-18 2004-07-18 19.8 28
K04U00L 84 0 2004-11-17 2004-11-17 20.2 28
0003I 81 0 2025-08-06 2025-08-06 11.4 27
K04RA9X 80 0 2004-09-12 2004-09-12 19.7 20
K02G05O 78 0 2002-05-12 2002-05-12 19.2 39
K02X14R 78 0 2002-12-08 2002-12-08 N/A 39
K02X14N 72 0 2002-12-08 2002-12-08 22.0 36
K03S17Y 72 0 2003-09-28 2003-09-28 20.4 18
J94L00Y 70 0 2004-03-21 2004-03-21 19.6 10
J99T05B 68 0 1999-10-03 1999-10-03 20.0 17
K03B35Q 68 0 2003-02-09 2003-02-09 19.5 17
K02J08Z 64 0 2002-05-12 2002-05-12 24.1 16
K02M01T 60 0 2002-08-15 2002-08-15 21.7 30
K03B21A 60 0 2003-02-09 2003-02-09 17.7 15
K02Q07D 57 0 2003-02-09 2003-02-09 19.8 19
K02R25T 57 0 2002-09-08 2002-09-08 21.1 19
K02V94U 56 0 2002-11-24 2002-11-24 19.7 14
K04D44M 51 0 2004-03-21 2004-03-21 20.2 17
K04X06D 51 0 2004-12-19 2004-12-19 21.1 17
K25Q39G 51 0 2025-09-14 2025-09-14 20.4 17
K04F02K 48 0 2004-03-21 2004-03-21 20.2 12
PK03O030 48 0 2003-08-03 2003-08-03 19.4 16
K02RB2T 44 0 2002-09-08 2002-09-08 19.3 22
J98Q02E 42 0 2002-09-08 2002-09-08 N/A 21
K00Q07V 42 0 2005-08-28 2005-08-28 N/A 14
K04R10V 42 0 2004-09-12 2004-09-12 22.7 14
K00J05G 40 0 2004-07-18 2004-07-18 N/A 20
K04F04D 40 0 2004-03-21 2004-03-21 24.4 8
J94R00H 39 0 1994-09-11 1994-09-11 17.4 13
K04F00A 39 0 2004-03-21 2004-03-21 18.5 13
K02RB2V 38 0 2002-09-08 2002-09-08 19.8 19
K04RP1L 36 0 2004-09-16 2004-09-16 21.6 12
K05Q87P 33 0 2005-09-04 2005-09-04 22.4 11
K01W01W 32 0 2001-12-09 2001-12-09 N/A 16
CK05N040 30 0 2005-07-13 2005-07-13 N/A 5
K04D00D 30 0 2004-03-14 2004-03-14 20.7 15
K04R09J 30 0 2004-09-12 2004-09-12 22.8 10
K02P06P 28 0 2002-08-11 2002-08-11 17.4 14
J94E02F 27 0 1994-04-05 1994-04-05 N/A 9
K01N06H 27 0 2001-07-15 2001-07-15 19.6 9
K00CA1T 26 0 2002-08-11 2002-08-11 22.4 13
K02G09M 26 0 2002-04-14 2002-04-14 19.4 13
J93K00H 24 0 2004-03-21 2004-03-21 16.6 8
K03C18L 20 0 2003-02-09 2003-02-09 21.3 10
K03F03V 20 0 2003-03-30 2003-03-30 20.6 10
K05R00A 20 0 2005-09-04 2005-09-04 19.8 5
K01M03S 18 0 2001-06-24 2001-06-24 18.7 6
J91D00G 12 0 2003-08-03 2003-08-03 20.2 6
K01SH0B 12 0 2001-09-23 2001-09-23 N/A 4
K01N13D 10 0 2001-07-22 2001-07-22 22.0 5
K04F00D 10 0 2004-03-21 2004-03-21 21.8 5
K04RP2C 6 0 2004-09-16 2004-09-16 19.3 3
K04R09M 4 0 2004-09-12 2004-09-12 18.2 2
K01O17K 2 0 2001-07-22 2001-07-22 17.1 1
K02RC0P 2 0 2002-09-08 2002-09-08 16.6 1
K04E00U 2 0 2004-03-14 2004-03-14 N/A 1

List of Observers

Observer Group Total MPECs
Unknown 32
D.Chappell, D.Hadlen, J.E.Rogers, P.Sable, S.C.Brewster, S.Martin 3
J.B.Child, J.E.Rogers 2
J.E.Rogers, S.C.Brewster 2
S.C.Brewster 2
D.Hadlen, J.E.Rogers, P.Sable, S.C.Brewster 2
D.Hadlen, J.E.Rogers, P.Sable, S.C.Brewster, S.Martin 2
J.E.Rogers, J.M.Hoff, S.C.Brewster, S.L.Martin 2
R.L.Kinnett 1
C.M.Kinnett, E.H.Kinnett, K.M.Kinnet, R.L.Kinnett 1
D.A.Hadlen, J.E.Rogers, P.Sable, S.C.Brewster 1
D.A.Hadlen, J.E.Rogers, J.M.Hoff, S.C.Brewster, S.L.Martin 1
J.E.Rogers, P.Sable, S.C.Brewster 1
J.E.Rogers, P.Sable, S.C.Brewster, S.Martin 1
J.E.Rogers, M.O'Neal, P.Sable, S.C.Brewster, S.Martin, T.A.Nichols II 1
II., J.E.Rogers, P.Sable, S.C.Brewster, S.Martin, T.A.Nichols 1
Individual Observer Total MPECs
Unknown 32
J.E.Rogers 19
S.C.Brewster 19
P.Sable 12
S.Martin 8
D.Hadlen 7
J.M.Hoff 3
S.L.Martin 3
D.Chappell 3
J.B.Child 2
R.L.Kinnett 2
D.A.Hadlen 2
C.M.Kinnett 1
E.H.Kinnett 1
K.M.Kinnet 1
M.O'Neal 1
T.A.Nichols II 1
II. 1
T.A.Nichols 1

List of Measurers

Measurer Group Total MPECs
Unknown 47
J.E.Rogers 5
D.Parrott, J.E.Rogers 2
J.B.Child 1
Individual Measurer Total MPECs
Unknown 47
J.E.Rogers 7
D.Parrott 2
J.B.Child 1

List of Facilities

Facilities Count
0.75-m f/6 Newtonian reflector + focal reducer + CCD 2
0.76-m f/6 Newtonian reflector + CCD 2
0.76-m f/6 reflector + CCD 17
0.76-m f/6.0 reflector + CMO 2
Unknown 32