I22 Abbey Ridge Observatory, Stillwater Lake

Last update: UTC 2026-02-27 07:27:49

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
2026 0 0 0 0 0 0 0 0 0 0
2025 2 0 0 0 2 0 0 0 0 0
2024 2 0 0 1 1 0 0 0 0 0
2023 1 0 0 0 0 0 0 0 1 0
2022 18 0 0 4 6 0 0 0 8 0
2021 33 0 0 10 16 0 0 0 7 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 2 0 0 0 2 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 1 0 0 1 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 2008-U24 COMET C/2008 T2 (CARDINAL) 2008-10-20 19:31:00 Comet CATCH
2 MPEC 2013-U86 DAILY ORBIT UPDATE (2013 OCT. 31 UT) 2013-10-31 06:04:00
3 MPEC 2013-V37 DAILY ORBIT UPDATE (2013 NOV. 7 UT) 2013-11-07 06:04:00
4 MPEC 2021-E98 DAILY ORBIT UPDATE (2021 March 10) 2021-03-10 12:03:00
5 MPEC 2021-E133 DAILY ORBIT UPDATE (2021 March 13) 2021-03-13 12:04:00
6 MPEC 2021-E145 DAILY ORBIT UPDATE (2021 March 15) 2021-03-15 12:05:00
7 MPEC 2021-F13 DAILY ORBIT UPDATE (2021 March 17) 2021-03-17 12:06:00
8 MPEC 2021-F64 DAILY ORBIT UPDATE (2021 March 21) 2021-03-21 12:04:00
9 MPEC 2021-F91 DAILY ORBIT UPDATE (2021 March 23) 2021-03-23 12:06:00
10 MPEC 2021-G163 DAILY ORBIT UPDATE (2021 April 12) 2021-04-12 12:13:00
11 MPEC 2021-H133 DAILY ORBIT UPDATE (2021 April 25) 2021-04-25 12:22:00
12 MPEC 2021-J16 2021 HC3 2021-05-02 13:45:00 PHAg18 CATCH
13 MPEC 2021-J28 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-05-03 06:02:00 Comet CATCH
14 MPEC 2021-L04 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-06-01 05:18:00 Comet CATCH
15 MPEC 2021-M90 2021 MK1 2021-06-26 02:19:00 PHAg18 CATCH
16 MPEC 2021-N06 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-07-02 04:55:00 Comet CATCH
17 MPEC 2021-N32 DAILY ORBIT UPDATE (2021 July 6) 2021-07-06 12:04:00
18 MPEC 2021-O52 DAILY ORBIT UPDATE (2021 July 26) 2021-07-26 12:01:00
19 MPEC 2021-O56 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-07-27 05:45:00 Comet CATCH
20 MPEC 2021-P24 DAILY ORBIT UPDATE (2021 August 4) 2021-08-04 12:07:00
21 MPEC 2021-P31 DAILY ORBIT UPDATE (2021 August 5) 2021-08-05 12:08:00
22 MPEC 2021-P50 DAILY ORBIT UPDATE (2021 August 6) 2021-08-06 12:02:00
23 MPEC 2021-Q17 2021 QA 2021-08-18 00:29:00 PHAg18 CATCH
24 MPEC 2021-Q23 DAILY ORBIT UPDATE (2021 August 18) 2021-08-18 12:08:00
25 MPEC 2021-Q54 DAILY ORBIT UPDATE (2021 August 24) 2021-08-24 12:11:00
26 MPEC 2021-R75 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-09-05 06:14:00 Comet CATCH
27 MPEC 2021-T21 COMET C/2021 S1 (ATLAS) 2021-10-03 00:54:00 Comet CATCH
28 MPEC 2021-T130 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-06 05:43:00 Comet CATCH
29 MPEC 2021-T237 2021 TH12 2021-10-13 00:09:00 NEA (H>22) CATCH
30 MPEC 2021-U08 2021 TC21 2021-10-16 18:25:00 NEA (H>22) CATCH
31 MPEC 2021-U31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-19 05:12:00 Comet CATCH
32 MPEC 2021-U109 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-10-27 07:53:00 Comet CATCH
33 MPEC 2021-V30 2021 VA 2021-11-02 13:24:00 NEA (H>22) CATCH
34 MPEC 2021-V302 DAILY ORBIT UPDATE (2021 November 13) 2021-11-13 12:02:00
35 MPEC 2021-W31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-11-21 03:00:00 Comet CATCH
36 MPEC 2021-W138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-11-30 05:18:00 Comet CATCH
37 MPEC 2022-A174 DAILY ORBIT UPDATE (2022 January 13) 2022-01-13 12:01:00
38 MPEC 2022-A179 DAILY ORBIT UPDATE (2022 January 14) 2022-01-14 12:15:00
39 MPEC 2022-B01 DAILY ORBIT UPDATE (2022 January 16) 2022-01-16 12:16:00
40 MPEC 2022-B05 DAILY ORBIT UPDATE (2022 January 19) 2022-01-19 12:17:00
41 MPEC 2022-C56 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-02-04 04:24:00 Comet CATCH
42 MPEC 2022-H10 2022 HB 2022-04-19 20:08:00 PHAg18 CATCH
43 MPEC 2022-H122 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-04-30 09:05:00 Comet CATCH
44 MPEC 2022-J31 DAILY ORBIT UPDATE (2022 May 4) 2022-05-04 12:06:00
45 MPEC 2022-J51 DAILY ORBIT UPDATE (2022 May 7) 2022-05-07 12:07:00
46 MPEC 2022-K158 2022 KK5 2022-05-30 07:46:00 NEA (H>22) CATCH
47 MPEC 2022-L62 2022 LX1 2022-06-07 23:53:00 PHAg18 CATCH
48 MPEC 2022-L66 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-06-08 04:25:00 Comet CATCH
49 MPEC 2022-L78 2022 LV2 2022-06-10 01:31:00 Unusual CATCH
50 MPEC 2022-R123 COMET C/2022 Q2 (ATLAS) 2022-09-07 01:55:00 Comet CATCH
51 MPEC 2022-R132 COMET C/2022 P3 (ZTF) 2022-09-08 02:04:00 Comet CATCH
52 MPEC 2022-S05 2022 RZ4 2022-09-17 05:40:00 NEA (H>22) CATCH
53 MPEC 2022-S87 COMET C/2022 R2 (ATLAS) 2022-09-20 04:10:00 Comet CATCH
54 MPEC 2022-S297 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-09-27 22:09:00 Comet CATCH
55 MPEC 2023-A28 COMET C/2022 W2 (ATLAS) 2023-01-10 05:34:00 Comet CATCH
56 MPEC 2024-J265 DAILY ORBIT UPDATE (2024 May 11) 2024-05-11 12:02:00
57 MPEC 2024-J304 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-05-14 19:08:00 Comet CATCH
58 MPEC 2025-B01 DAILY ORBIT UPDATE (2025 January 16) 2025-01-16 12:01:00
59 MPEC 2025-Y268 DAILY ORBIT UPDATE (2025 December 31) 2025-12-31 12:19:00

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
99942 43120 0 2021-03-04 2021-04-08 15.2 280
0029P 13455 0 2021-03-20 2021-11-01 16.6 585
S5571 11560 0 2021-07-25 2021-08-16 22.0 85
0117P 6358 0 2021-05-15 2021-05-15 20.5 289
i1987 2750 0 2021-07-05 2021-07-05 17.8 110
0067P 1914 0 2021-10-04 2021-10-04 N/A 174
K22A00B 1775 0 2022-01-08 2022-01-16 17.1 25
K19X00S 1480 0 2021-11-09 2021-11-10 22.1 37
03200 1137 0 2021-09-15 2021-09-15 19.3 1137
0004P 1098 0 2021-08-17 2021-08-17 14.6 122
CK20R040 893 0 2021-04-21 2021-04-24 13.3 19
CK20V020 882 0 2022-09-02 2022-09-15 18.8 126
0007P 869 0 2021-04-25 2021-05-17 21.9 79
0006P 759 0 2021-05-17 2021-06-10 13.9 69
q3664 759 0 2021-08-22 2021-08-22 19.2 69
0010P 740 0 2021-09-24 2021-09-24 19.9 185
K22H00B 729 0 2022-04-18 2022-05-03 15.1 27
CK17K020 704 0 2021-04-09 2021-04-09 18.8 176
0106P 630 0 2021-10-06 2021-10-06 N/A 35
CK08T020 546 0 2008-10-08 2008-10-19 14.9 42
0019P 468 0 2022-01-16 2022-01-16 13.2 117
0116P 336 0 2022-04-23 2022-04-23 22.1 168
K13TD5V 315 0 2013-10-29 2013-11-05 21.1 45
K21T12H 315 0 2021-10-11 2021-10-11 18.0 15
0073P 252 0 2022-05-03 2022-05-03 24.1 63
CK21A010 250 0 2021-11-12 2021-11-21 18.2 25
0152P 200 0 2021-05-27 2021-05-27 22.8 100
CK21S010 186 0 2021-10-01 2021-10-03 17.0 31
0070P 156 0 2022-05-03 2022-05-03 16.5 78
0108P 144 0 2021-10-25 2021-10-25 18.6 48
K21Q00A 140 0 2021-08-17 2021-08-17 N/A 4
0057P 104 0 2021-07-23 2021-07-23 25.5 52
0099P 103 0 2022-05-29 2022-05-29 N/A 103
0104P 102 0 2022-01-16 2022-01-16 15.6 34
0132P 99 0 2021-10-24 2021-10-24 16.3 33
0284P 94 0 2021-10-18 2021-10-18 23.0 47
K22R04Z 90 0 2022-09-16 2022-09-16 19.0 18
K22L01X 78 0 2022-06-07 2022-06-07 20.9 39
K21M01K 68 0 2021-06-25 2021-06-25 N/A 34
0156P 66 0 2021-05-20 2021-05-20 22.1 33
CK21Y010 44 0 2022-01-04 2022-01-04 14.9 44
K21E01X 36 0 2021-03-08 2021-03-08 20.3 12
K22K05K 36 0 2022-05-30 2022-05-30 N/A 12
CK22P030 32 0 2022-09-02 2022-09-02 19.9 16
0413P 27 0 2021-05-15 2021-05-15 17.4 9
CK22W020 27 0 2022-11-29 2022-11-29 21.5 9
CK22Q020 24 0 2022-09-02 2022-09-02 19.5 24
K21H03C 22 0 2021-05-02 2021-05-02 23.0 11
0409P 20 0 2021-05-19 2021-05-19 16.9 10
K21T21C 20 0 2021-10-15 2021-10-15 N/A 5
K22J00S 18 0 2022-05-06 2022-05-06 19.3 9
CK22R020 11 0 2022-09-16 2022-09-16 17.9 11
K21V00A 10 0 2021-11-02 2021-11-02 21.0 5
PK21U030 7 0 2021-11-02 2021-11-02 18.7 7
K22L02V 1 0 2022-06-06 2022-06-06 20.0 1

List of Observers

Observer Group Total MPECs
F.D.Romanov 31
Unknown 27
D.Lane 1
Individual Observer Total MPECs
F.D.Romanov 31
Unknown 27
D.Lane 1

List of Measurers

Measurer Group Total MPECs
Unknown 59
Individual Measurer Total MPECs
Unknown 59

List of Facilities

Facilities Count
0.28-m Schmidt-Cassegrain + CCD 1
0.35-m f/6.2 Schmidt-Cassegrain + CCD 19
0.35-m f/6.2 Schmidt-Cassegrain + CCD, 0.10-m f/5 refractor 1
0.35-m f/6.5 Schmidt-Cassegrain + CCD 1
0.355-m f/6.2 Schmidt-Cassegrain + CCD 10
Unknown 27