U83 Mount Laguna Observatory

Last update: UTC 2026-02-18 19:16:24

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 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 13 0 0 1 4 0 0 0 8 0
2020 5 0 0 1 3 0 0 0 1 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 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 2020-K216 DAILY ORBIT UPDATE (2020 May 29) 2020-05-29 12:06:00
2 MPEC 2020-M07 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-06-17 04:58:00 Comet CATCH
3 MPEC 2020-P19 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-08-04 23:06:00 Comet CATCH
4 MPEC 2020-R31 DAILY ORBIT UPDATE (2020 September 7) 2020-09-07 12:01:00
5 MPEC 2020-S95 DAILY ORBIT UPDATE (2020 September 19) 2020-09-19 12:08:00
6 MPEC 2021-D117 DAILY ORBIT UPDATE (2021 February 28) 2021-02-28 12:29:00
7 MPEC 2021-L40 2021 LN 2021-06-04 00:37:00 NEA (H>22) CATCH
8 MPEC 2021-L42 2021 LP 2021-06-04 00:39:00 NEA (H>22) CATCH
9 MPEC 2021-N53 2006 GC1 2021-07-09 02:22:00 PHAg18 CATCH
10 MPEC 2021-N55 2021 NN1 2021-07-09 02:31:00 NEA (H>22) CATCH
11 MPEC 2021-N115 COMET P/2021 N1 (ZTF) 2021-07-13 23:15:00 Comet CATCH
12 MPEC 2021-P141 2021 PC7 2021-08-13 05:54:00 PHAg18 CATCH
13 MPEC 2021-P142 2021 PD7 2021-08-13 06:00:00 NEA (H>22) CATCH
14 MPEC 2021-P147 DAILY ORBIT UPDATE (2021 August 13) 2021-08-13 12:04:00
15 MPEC 2021-Q42 COMET C/2021 P4 (ATLAS) 2021-08-21 06:36:00 Comet CATCH
16 MPEC 2021-Q62 DAILY ORBIT UPDATE (2021 August 26) 2021-08-26 12:12:00
17 MPEC 2021-R188 2021 RT4 2021-09-10 00:01:00 NEA (H>22) CATCH
18 MPEC 2021-R195 DAILY ORBIT UPDATE (2021 September 10) 2021-09-10 12:05:00

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
89830 4103 0 2020-05-21 2020-05-22 17.9 373
04450 2560 0 2020-01-27 2020-01-27 20.6 256
K20A02V 620 0 2021-08-12 2021-08-23 17.7 31
PK19L02D 459 0 2020-05-22 2020-07-31 18.6 27
K06G01C 304 0 2021-07-08 2021-07-08 N/A 16
K21R00S 296 0 2021-09-09 2021-09-09 N/A 8
K21C02C 259 0 2021-02-25 2021-02-25 18.4 37
K20Q06F 198 0 2020-09-06 2020-09-18 21.7 18
K21N01N 84 0 2021-07-08 2021-07-08 22.2 6
CK21P040 81 0 2021-08-12 2021-08-12 18.2 27
K21P07D 78 0 2021-08-12 2021-08-12 22.5 13
K21O01A 66 0 2021-08-12 2021-08-12 18.5 6
K21L00P 55 0 2021-06-03 2021-06-03 N/A 5
K21L00N 48 0 2021-06-03 2021-06-03 20.2 6
K21P07C 44 0 2021-08-12 2021-08-12 20.5 11
PK21N010 42 0 2021-07-08 2021-07-08 19.2 3
K21R04T 6 0 2021-09-09 2021-09-09 19.7 1

List of Observers

Observer Group Total MPECs
J.N.Purdum 11
Unknown 7
Individual Observer Total MPECs
J.N.Purdum 11
Unknown 7

List of Measurers

Measurer Group Total MPECs
Unknown 18
Individual Measurer Total MPECs
Unknown 18

List of Facilities

Facilities Count
1.02-m f/7.65 Cassegrain reflector + CCD 11
Unknown 7