463 Sommers-Bausch Observatory, Boulder

Last update: UTC 2025-12-23 06:11:55

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 3 0 0 0 3 0 0 0 0 0
2024 1 0 0 0 1 0 0 0 0 0
2023 2 0 0 0 2 0 0 0 0 0
2022 1 0 0 0 1 0 0 0 0 0
2021 1 0 0 0 1 0 0 0 0 0
2020 2 0 0 0 2 0 0 0 0 0
2019 0 0 0 0 0 0 0 0 0 0
2018 1 0 0 0 1 0 0 0 0 0
2017 1 0 0 0 1 0 0 0 0 0
2016 2 0 0 0 2 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 2016-O412 DAILY ORBIT UPDATE (2016 JULY 31 UT) 2016-07-31 12:03:00
2 MPEC 2016-P110 DAILY ORBIT UPDATE (2016 AUG. 13 UT) 2016-08-13 12:05:00
3 MPEC 2017-P08 DAILY ORBIT UPDATE (2017 AUG. 2 UT) 2017-08-02 12:03:00
4 MPEC 2018-O46 DAILY ORBIT UPDATE (2018 JULY 26 UT) 2018-07-26 12:03:00
5 MPEC 2020-O85 DAILY ORBIT UPDATE (2020 July 24) 2020-07-24 12:22:00
6 MPEC 2020-O113 DAILY ORBIT UPDATE (2020 July 26) 2020-07-26 12:24:00
7 MPEC 2021-J210 DAILY ORBIT UPDATE (2021 May 14) 2021-05-14 12:10:00
8 MPEC 2022-O17 DAILY ORBIT UPDATE (2022 July 21) 2022-07-21 12:01:00
9 MPEC 2023-O40 DAILY ORBIT UPDATE (2023 July 20) 2023-07-20 12:07:00
10 MPEC 2023-O48 DAILY ORBIT UPDATE (2023 July 21) 2023-07-21 12:08:00
11 MPEC 2024-O09 DAILY ORBIT UPDATE (2024 July 17) 2024-07-17 12:03:00
12 MPEC 2025-O82 DAILY ORBIT UPDATE (2025 July 25) 2025-07-25 12:14:00
13 MPEC 2025-X72 DAILY ORBIT UPDATE (2025 December 9) 2025-12-09 12:17:00
14 MPEC 2025-X86 DAILY ORBIT UPDATE (2025 December 10) 2025-12-10 12:16:00

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
01627 40446 0 2018-07-01 2023-07-12 14.0 1498
01866 40005 0 2016-07-08 2024-07-11 17.8 1143
07889 18104 0 2015-07-16 2025-07-11 N/A 584
01980 12236 0 2017-07-01 2017-07-24 15.0 874
F4244 8487 0 2016-07-07 2023-07-10 22.5 369
04183 7320 0 2015-07-12 2015-07-28 15.8 732
03102 6975 0 2022-06-28 2022-07-17 18.5 465
16960 6440 0 2025-06-30 2025-07-13 19.7 460
04055 6230 0 2015-07-19 2020-07-10 17.3 890
66251 5940 0 2022-06-28 2022-07-14 17.7 495
13553 5712 0 2018-07-01 2018-07-19 20.0 336
J0166 5520 0 2017-07-01 2017-07-23 21.5 368
06569 5304 0 2022-06-22 2022-07-12 17.6 442
20460 3949 0 2017-06-29 2017-07-07 20.6 359
K11E78D 3380 0 2023-06-25 2023-07-17 21.0 169
Q3976 3255 0 2025-06-27 2025-07-11 19.9 155
H5189 2772 0 2023-06-21 2023-07-14 16.5 198
27031 2737 0 2023-06-21 2023-07-17 17.0 161
b7732 2478 0 2022-06-22 2022-07-17 20.5 118
m1032 2340 0 2024-06-24 2024-07-11 17.9 117
D8846 2314 0 2017-07-05 2017-07-24 20.6 178
85275 2070 0 2020-07-10 2020-07-21 18.0 414
07482 1782 0 2022-06-23 2022-07-17 18.3 297
E2561 1704 0 2017-07-05 2017-07-23 17.0 142
P7838 1599 0 2016-07-14 2016-07-27 22.0 123
N6716 1410 0 2023-06-21 2023-07-12 17.1 94
10150 1075 0 2016-07-12 2016-07-19 21.4 215
06063 980 0 2017-07-10 2017-07-18 17.2 196
40329 840 0 2016-07-14 2016-07-28 19.3 105
u0563 576 0 2022-06-28 2022-07-12 21.5 64
g0302 552 0 2020-07-10 2020-07-10 16.2 184
l7885 246 0 2020-07-09 2020-07-10 21.3 82
Y8400 232 0 2015-07-30 2015-07-30 18.4 232
k8448 72 0 2016-07-18 2016-07-18 21.1 72

List of Observers

Observer Group Total MPECs
Unknown 14
Individual Observer Total MPECs
Unknown 14

List of Measurers

Measurer Group Total MPECs
Unknown 14
Individual Measurer Total MPECs
Unknown 14

List of Facilities

Facilities Count
Unknown 14