238 Grorudalen Optical Observatory

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 P/R/FU DOU List Update Retraction Other Follow-Up First Follow-Up
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 2 0 0 0 1 0 0 0 1 0
2019 19 0 0 0 17 0 0 0 2 0
2018 30 0 0 6 24 0 0 0 0 0
2017 7 0 0 3 4 0 0 0 0 0
2016 8 0 0 3 5 0 0 0 0 0
2015 9 0 0 2 7 0 0 0 0 0
2014 9 0 0 5 4 0 0 0 0 0
2013 7 0 0 4 3 0 0 0 0 0
2012 2 0 0 2 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 0 0 0 0 0 0 0 0 0 0
2002 0 0 0 0 0 0 0 0 0 0
2001 3 0 0 2 1 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 2020-P19 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-08-04 23:06:00 Comet CATCH
2 MPEC 2020-F47 DAILY ORBIT UPDATE (2020 March 18) 2020-03-18 12:03:00
3 MPEC 2019-Y01 DAILY ORBIT UPDATE (2019 December 16) 2019-12-16 12:08:00
4 MPEC 2019-W168 DAILY ORBIT UPDATE (2019 November 29) 2019-11-29 12:05:00
5 MPEC 2019-V116 Observations and orbits of comets 2019-11-07 18:07:00 Comet CATCH
6 MPEC 2019-V14 DAILY ORBIT UPDATE (2019 November 2) 2019-11-02 12:01:00
7 MPEC 2019-U255 DAILY ORBIT UPDATE (2019 October 29) 2019-10-29 12:06:00
8 MPEC 2019-U156 DAILY ORBIT UPDATE (2019 October 25) 2019-10-25 12:11:00
9 MPEC 2019-U111 DAILY ORBIT UPDATE (2019 October 23) 2019-10-23 12:09:00
10 MPEC 2019-S61 DAILY ORBIT UPDATE (2019 September 23) 2019-09-23 12:11:00
11 MPEC 2019-S13 DAILY ORBIT UPDATE (2019 September 19) 2019-09-19 12:10:00
12 MPEC 2019-R116 DAILY ORBIT UPDATE (2019 September 14) 2019-09-14 12:10:00
13 MPEC 2019-R112 DAILY ORBIT UPDATE (2019 September 13) 2019-09-13 12:09:00
14 MPEC 2019-P75 DAILY ORBIT UPDATE (2019 August 10) 2019-08-10 13:34:00
15 MPEC 2019-L88 DAILY ORBIT UPDATE (2019 June 12) 2019-06-12 01:44:00
16 MPEC 2019-L87 DAILY ORBIT UPDATE (2019 June 10) 2019-06-10 16:43:00
17 MPEC 2019-J142 OBSERVATIONS AND ORBITS OF COMETS 2019-05-15 14:22:00 Comet CATCH
18 MPEC 2019-J141 DAILY ORBIT UPDATE (2019 MAY 15 UT) 2019-05-15 12:06:00
19 MPEC 2019-J64 DAILY ORBIT UPDATE (2019 MAY 8 UT) 2019-05-08 12:05:00
20 MPEC 2019-H13 DAILY ORBIT UPDATE (2019 APR. 17 UT) 2019-04-17 12:07:00
21 MPEC 2019-A131 DAILY ORBIT UPDATE (2019 JAN. 9 UT) 2019-01-09 13:06:00
22 MPEC 2018-V63 DAILY ORBIT UPDATE (2018 NOV. 8 UT) 2018-11-08 13:07:00
23 MPEC 2018-U76 DAILY ORBIT UPDATE (2018 OCT. 28 UT) 2018-10-28 12:04:00
24 MPEC 2018-U70 OBSERVATIONS AND ORBITS OF COMETS 2018-10-25 21:24:00 Comet CATCH
25 MPEC 2018-S67 DAILY ORBIT UPDATE (2018 SEPT. 28 UT) 2018-09-28 12:03:00
26 MPEC 2018-S50 OBSERVATIONS AND ORBITS OF COMETS 2018-09-21 00:29:00 Comet CATCH
27 MPEC 2018-S22 DAILY ORBIT UPDATE (2018 SEPT. 17 UT) 2018-09-17 12:06:00
28 MPEC 2018-R145 DAILY ORBIT UPDATE (2018 SEPT. 14 UT) 2018-09-14 12:07:00
29 MPEC 2018-R111 DAILY ORBIT UPDATE (2018 SEPT. 11 UT) 2018-09-11 12:05:00
30 MPEC 2018-R86 DAILY ORBIT UPDATE (2018 SEPT. 9 UT) 2018-09-09 12:04:00
31 MPEC 2018-Q62 COMET C/2017 S3 (PANSTARRS) 2018-08-23 05:17:00 Comet CATCH
32 MPEC 2018-Q24 COMET 21P/Giacobini-Zinner 2018-08-18 00:37:00 Comet CATCH
33 MPEC 2018-L39 DAILY ORBIT UPDATE (2018 JUNE 9 UT) 2018-06-09 12:03:00
34 MPEC 2018-L17 DAILY ORBIT UPDATE (2018 JUNE 6 UT) 2018-06-06 12:02:00
35 MPEC 2018-L12 DAILY ORBIT UPDATE (2018 JUNE 5 UT) 2018-06-05 12:02:00
36 MPEC 2018-L03 DAILY ORBIT UPDATE (2018 JUNE 3 UT) 2018-06-03 12:02:00
37 MPEC 2018-L01 DAILY ORBIT UPDATE (2018 JUNE 1 UT) 2018-06-01 12:02:00
38 MPEC 2018-G57 DAILY ORBIT UPDATE (2018 APR. 12 UT) 2018-04-12 12:02:00
39 MPEC 2018-F152 OBSERVATIONS AND ORBITS OF COMETS 2018-03-29 14:48:00 Comet CATCH
40 MPEC 2018-F110 DAILY ORBIT UPDATE (2018 MAR. 23 UT) 2018-03-23 12:04:00
41 MPEC 2018-F37 DAILY ORBIT UPDATE (2018 MAR. 19 UT) 2018-03-19 12:03:00
42 MPEC 2018-F18 DAILY ORBIT UPDATE (2018 MAR. 17 UT) 2018-03-17 12:02:00
43 MPEC 2018-F01 DAILY ORBIT UPDATE (2018 MAR. 16 UT) 2018-03-16 12:03:00
44 MPEC 2018-E19 DAILY ORBIT UPDATE (2018 MAR. 5 UT) 2018-03-05 13:01:00
45 MPEC 2018-E02 DAILY ORBIT UPDATE (2018 MAR. 1 UT) 2018-03-01 13:05:00
46 MPEC 2018-D91 OBSERVATIONS AND ORBITS OF COMETS 2018-02-28 15:50:00 Comet CATCH
47 MPEC 2018-D89 DAILY ORBIT UPDATE (2018 FEB. 28 UT) 2018-02-28 13:03:00
48 MPEC 2018-D70 DAILY ORBIT UPDATE (2018 FEB. 26 UT) 2018-02-26 13:05:00
49 MPEC 2018-D51 DAILY ORBIT UPDATE (2018 FEB. 24 UT) 2018-02-24 13:05:00
50 MPEC 2018-D22 DAILY ORBIT UPDATE (2018 FEB. 19 UT) 2018-02-19 13:04:00
51 MPEC 2018-C79 DAILY ORBIT UPDATE (2018 FEB. 12 UT) 2018-02-12 13:05:00
52 MPEC 2017-R60 DAILY ORBIT UPDATE (2017 SEPT. 15 UT) 2017-09-15 12:03:00
53 MPEC 2017-O50 DAILY ORBIT UPDATE (2017 JULY 25 UT) 2017-07-25 11:59:00
54 MPEC 2017-L50 DAILY ORBIT UPDATE (2017 JUNE 6 UT) 2017-06-06 12:02:00
55 MPEC 2017-K94 DAILY ORBIT UPDATE (2017 MAY 31 UT) 2017-05-31 12:02:00
56 MPEC 2017-J52 OBSERVATIONS AND ORBITS OF COMETS 2017-05-07 04:08:00 Comet CATCH
57 MPEC 2017-H20 COMET 41P/Tuttle-Giacobini-Kresak 2017-04-20 16:30:00 Comet CATCH
58 MPEC 2017-E59 OBSERVATIONS AND ORBITS OF COMETS 2017-03-08 23:15:00 Comet CATCH
59 MPEC 2016-P121 DAILY ORBIT UPDATE (2016 AUG. 14 UT) 2016-08-14 12:04:00
60 MPEC 2016-O296 DAILY ORBIT UPDATE (2016 JULY 25 UT) 2016-07-25 12:03:00
61 MPEC 2016-O274 DAILY ORBIT UPDATE (2016 JULY 19 UT) 2016-07-19 12:04:00
62 MPEC 2016-O182 DAILY ORBIT UPDATE (2016 JULY 17 UT) 2016-07-17 12:04:00
63 MPEC 2016-N91 DAILY ORBIT UPDATE (2016 JULY 14 UT) 2016-07-14 12:04:00
64 MPEC 2016-F43 OBSERVATIONS AND ORBITS OF COMETS 2016-03-21 10:45:00 Comet CATCH
65 MPEC 2016-D32 OBSERVATIONS AND ORBITS OF COMETS 2016-02-20 14:42:00 Comet CATCH
66 MPEC 2016-D09 COMET P/2010 V1 = 2015 Y2 (Ikeya-Murakami) 2016-02-16 18:50:00 Comet CATCH
67 MPEC 2015-S97 OBSERVATIONS AND ORBITS OF COMETS 2015-09-28 10:17:00 Comet CATCH
68 MPEC 2015-R09 DAILY ORBIT UPDATE (2015 SEPT. 5 UT) 2015-09-05 12:01:00
69 MPEC 2015-R07 DAILY ORBIT UPDATE (2015 SEPT. 4 UT) 2015-09-04 12:01:00
70 MPEC 2015-Q74 DAILY ORBIT UPDATE (2015 AUG. 29 UT) 2015-08-29 12:06:00
71 MPEC 2015-Q71 OBSERVATIONS AND ORBITS OF COMETS 2015-08-27 21:49:00 Comet CATCH
72 MPEC 2015-Q69 DAILY ORBIT UPDATE (2015 AUG. 26 UT) 2015-08-26 12:03:00
73 MPEC 2015-O22 DAILY ORBIT UPDATE (2015 JULY 20 UT) 2015-07-20 12:02:00
74 MPEC 2015-O19 DAILY ORBIT UPDATE (2015 JULY 19 UT) 2015-07-19 12:02:00
75 MPEC 2015-M27 DAILY ORBIT UPDATE (2015 JUNE 20 UT) 2015-06-20 12:03:00
76 MPEC 2014-U124 OBSERVATIONS AND ORBITS OF COMETS 2014-10-29 22:17:00 Comet CATCH
77 MPEC 2014-S34 OBSERVATIONS AND ORBITS OF COMETS 2014-09-22 18:29:00 Comet CATCH
78 MPEC 2014-R79 DAILY ORBIT UPDATE (2014 SEPT. 11 UT) 2014-09-11 12:02:00
79 MPEC 2014-Q46 DAILY ORBIT UPDATE (2014 AUG. 25 UT) 2014-08-25 12:03:00
80 MPEC 2014-Q43 OBSERVATIONS AND ORBITS OF COMETS 2014-08-25 02:39:00 Comet CATCH
81 MPEC 2014-P41 OBSERVATIONS AND ORBITS OF COMETS 2014-08-07 20:51:00 Comet CATCH
82 MPEC 2014-O62 DAILY ORBIT UPDATE (2014 JULY 30 UT) 2014-07-30 12:01:00
83 MPEC 2014-O54 OBSERVATIONS AND ORBITS OF COMETS 2014-07-28 19:45:00 Comet CATCH
84 MPEC 2014-O31 DAILY ORBIT UPDATE (2014 JULY 25 UT) 2014-07-25 12:01:00
85 MPEC 2013-X39 OBSERVATIONS AND ORBITS OF COMETS 2013-12-07 20:39:00 Comet CATCH
86 MPEC 2013-X24 DAILY ORBIT UPDATE (2013 DEC. 4 UT) 2013-12-04 17:33:00
87 MPEC 2013-U74 DAILY ORBIT UPDATE (2013 OCT. 29 UT) 2013-10-29 06:05:00
88 MPEC 2013-U73 OBSERVATIONS AND ORBITS OF COMETS 2013-10-28 23:48:00 Comet CATCH
89 MPEC 2013-S75 OBSERVATIONS AND ORBITS OF COMETS 2013-09-30 21:16:00 Comet CATCH
90 MPEC 2013-S29 DAILY ORBIT UPDATE (2013 SEPT. 24 UT) 2013-09-24 06:02:00
91 MPEC 2013-A29 OBSERVATIONS AND ORBITS OF COMETS 2013-01-06 21:45:00 Comet CATCH
92 MPEC 2012-W54 OBSERVATIONS AND ORBITS OF COMETS 2012-11-27 21:00:00 Comet CATCH
93 MPEC 2012-U109 OBSERVATIONS AND ORBITS OF COMETS 2012-10-26 20:51:00 Comet CATCH
94 MPEC 2001-W08 COMET C/2000 WM1 (LINEAR) 2001-11-16 21:23:00 Comet CATCH
95 MPEC 2001-V14 DAILY ORBIT UPDATE (2001 NOV. 2 UT) 2001-11-02 07:08:00
96 MPEC 2001-U43 COMET C/2000 WM1 (LINEAR) 2001-10-23 22:54:00 Comet CATCH

List of Observers

Observers Count
O. Trondal 487

List of Measurers

Measurers Count

List of Facilities

Facilities Count
0.61-m f/3.2 reflector + CCD 3
0.35-m Schmidt-Cassegrain + CCD 94
0.61-m Cassegrain + CCD 390