U95 USA1/HCRO, Pie Town

Last update: UTC 2026-05-11 06:22:13

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 17 0 0 0 11 0 0 0 6 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 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 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 2026-A02 DAILY ORBIT UPDATE (2026 January 1) 2026-01-01 12:22:00
2 MPEC 2026-A131 DAILY ORBIT UPDATE (2026 January 15) 2026-01-15 12:08:00
3 MPEC 2026-B142 DAILY ORBIT UPDATE (2026 January 21) 2026-01-21 12:05:00
4 MPEC 2026-B162 DAILY ORBIT UPDATE (2026 January 22) 2026-01-22 12:06:00
5 MPEC 2026-C20 2026 CF 2026-02-06 18:48:00 NEA (H>22) CATCH
6 MPEC 2026-C21 2026 CG 2026-02-06 18:50:00 NEA (H>22) CATCH
7 MPEC 2026-C69 2026 CN1 2026-02-10 18:27:00 NEA (H>22) CATCH
8 MPEC 2026-C90 DAILY ORBIT UPDATE (2026 February 13) 2026-02-13 12:12:00
9 MPEC 2026-D127 DAILY ORBIT UPDATE (2026 February 25) 2026-02-25 12:19:00
10 MPEC 2026-D169 DAILY ORBIT UPDATE (2026 February 27) 2026-02-27 12:21:00
11 MPEC 2026-E15 DAILY ORBIT UPDATE (2026 March 2) 2026-03-02 12:18:00
12 MPEC 2026-E39 DAILY ORBIT UPDATE (2026 March 7) 2026-03-07 12:19:00
13 MPEC 2026-E71 DAILY ORBIT UPDATE (2026 March 9) 2026-03-09 12:22:00
14 MPEC 2026-F119 COMET C/2026 C1 (Tsuchinshan) 2026-03-21 16:48:00 Comet CATCH
15 MPEC 2026-F279 COMET C/2026 A3 (PANSTARRS) 2026-03-31 15:48:00 Comet CATCH
16 MPEC 2026-G32 DAILY ORBIT UPDATE (2026 April 8) 2026-04-08 12:26:00
17 MPEC 2026-J15 COMET C/2026 H2 (Leonard) 2026-05-06 19:16:00 Comet CATCH

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
B2985 2112 0 2025-11-15 2025-11-28 17.9 352
Y8400 2088 0 2025-10-24 2025-12-16 17.7 232
F2931 1932 0 2025-11-25 2025-11-30 18.8 322
88710 1380 0 2025-10-24 2025-10-30 18.8 230
D7078 1092 0 2025-10-29 2025-10-30 19.3 182
M0839 942 0 2025-11-04 2025-11-12 18.4 157
s9328 804 0 2025-10-24 2025-10-30 17.6 134
n6818 792 0 2025-12-16 2025-12-17 20.9 132
K7970 714 0 2025-11-12 2025-11-15 20.9 119
~0w23 624 0 2025-10-02 2025-10-24 18.7 104
Y4074 504 0 2025-11-04 2025-11-28 18.2 84
P9221 180 0 2026-01-20 2026-01-20 18.3 60
CK26C010 136 0 2026-02-26 2026-03-07 18.7 8
K15C00B 90 0 2026-02-08 2026-02-08 19.0 30
K26C00F 66 0 2026-02-04 2026-02-07 18.8 11
K26C00G 48 0 2026-02-04 2026-02-04 19.4 16
K24Y04H 27 0 2026-01-11 2026-01-12 20.4 9
K26C01N 21 0 2026-02-10 2026-02-10 22.2 7
K26E00B 21 0 2026-03-03 2026-03-03 17.4 7
CK26A030 15 0 2026-03-14 2026-03-24 20.9 3
K26D07X 15 0 2026-02-26 2026-02-26 19.7 5
K26B03T 9 0 2026-01-21 2026-01-21 19.8 3
CK26H020 6 0 2026-04-22 2026-04-22 19.4 2
K26D14U 6 0 2026-03-01 2026-03-01 19.0 2
K26E00C 3 0 2026-03-05 2026-03-05 18.6 1
K26E00K 3 0 2026-03-08 2026-03-08 18.1 0

List of Observers

Observer Group Total MPECs
Unknown 11
G.Colombo, M.Rigo 6
Individual Observer Total MPECs
Unknown 11
G.Colombo 6
M.Rigo 6

List of Measurers

Measurer Group Total MPECs
Unknown 11
G.Colombo 6
Individual Measurer Total MPECs
Unknown 11
G.Colombo 6

List of Facilities

Facilities Count
0.3-m f/3.8 Newton + CMO 3
0.3-m f/3.8 Newton + CMO, 0.4-m f/6.4 Newton + CMO 1
0.3-m f/3.8 Newton + CMO, 0.4-m f/6.4 Ritchey-Chretien + CMO 1
0.4-m f/6.4 Newton + CMO 1
Unknown 11