Q14 Goto Astronomical Observatory in Yatsugatake

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 11 0 0 8 2 0 0 0 1 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 2025-P110 DAILY ORBIT UPDATE (2025 August 7) 2025-08-07 12:11:00
2 MPEC 2025-P138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-08-12 16:13:00 Comet CATCH
3 MPEC 2025-R63 Comet 3I/ATLAS 2025-09-08 19:24:00 Comet CATCH
4 MPEC 2025-R64 Comet C/2023 RS61 (PANSTARRS) 2025-09-08 19:44:00 Comet CATCH
5 MPEC 2025-R69 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-09 19:18:00 Comet CATCH
6 MPEC 2025-S35 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-16 19:04:00 Comet CATCH
7 MPEC 2025-S298 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-30 17:23:00 Comet CATCH
8 MPEC 2025-T42 DAILY ORBIT UPDATE (2025 October 2) 2025-10-02 12:06:00
9 MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-03 21:21:00 Comet CATCH
10 MPEC 2025-T165 COMET C/2025 Q3 (ATLAS) 2025-10-15 21:30:00 Comet CATCH
11 MPEC 2025-V36 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-11-04 20:02:00 Comet CATCH

Objects Observed by This Station

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
0065P 18760 0 2025-09-26 2025-10-17 19.0 335
0047P 11424 0 2025-07-20 2025-10-23 16.5 112
CK17K020 10080 0 2025-09-25 2025-10-23 18.1 180
0078P 9780 0 2025-07-22 2025-10-17 17.4 163
0029P 9696 0 2025-10-23 2025-10-23 17.1 606
CK23A030 8536 0 2025-07-20 2025-10-17 20.0 88
0240P 8466 0 2025-07-25 2025-10-23 14.5 83
CK22E020 7752 0 2025-07-20 2025-10-23 16.2 102
0048P 7130 0 2025-07-20 2025-10-23 18.2 115
CK21S030 7112 0 2025-09-21 2025-10-17 18.2 127
CK24E010 6580 0 2025-07-20 2025-10-17 14.2 47
CK23R010 6000 0 2025-08-26 2025-10-23 15.5 60
CK21G020 5060 0 2025-07-20 2025-09-26 14.4 110
CK23C020 4788 0 2025-07-20 2025-10-23 16.4 63
CK24J030 3192 0 2025-08-27 2025-09-24 15.3 38
CK23H050 2968 0 2025-09-21 2025-10-17 16.9 53
35107 2608 0 2025-07-23 2025-07-25 16.6 652
0131P 2520 0 2025-09-21 2025-10-17 19.4 45
K25F22A 2480 0 2025-09-25 2025-09-25 21.2 62
CK24A010 2464 0 2025-09-25 2025-10-23 16.8 44
0043P 2304 0 2025-10-23 2025-10-23 17.1 144
CK24N030 2280 0 2025-07-20 2025-10-23 18.8 38
CK25A060 2184 0 2025-08-27 2025-10-20 7.5 12
03752 2144 0 2025-07-22 2025-07-23 18.2 536
0145P 2030 0 2025-08-27 2025-10-23 17.9 35
0105P 1960 0 2025-09-24 2025-09-24 19.9 49
0302P 1920 0 2025-09-21 2025-09-21 17.1 48
0123P 1520 0 2025-10-23 2025-10-23 19.1 95
0242P 1440 0 2025-10-23 2025-10-23 18.8 90
CK24G040 1392 0 2025-08-29 2025-10-17 17.4 24
0493P 1334 0 2025-07-25 2025-10-23 17.6 23
CK22N020 1300 0 2025-07-23 2025-10-23 14.6 65
0486P 1148 0 2025-07-25 2025-09-25 20.4 14
0093P 1040 0 2025-10-17 2025-10-17 19.3 65
0188P 990 0 2025-08-27 2025-10-23 19.2 55
CK24G060 924 0 2025-08-29 2025-09-26 18.1 22
0024P 896 0 2025-09-25 2025-10-23 16.3 16
0491P 896 0 2025-09-26 2025-10-23 19.6 16
0136P 720 0 2025-10-23 2025-10-23 19.6 45
0128P 704 0 2025-10-23 2025-10-23 22.0 44
0261P 592 0 2025-10-17 2025-10-17 17.6 37
0351P 546 0 2025-08-27 2025-09-24 18.7 13
85953 458 0 2025-04-03 2025-04-03 14.7 229
CK25R010 448 0 2025-09-21 2025-10-17 17.8 8
CK25J010 440 0 2025-09-21 2025-09-21 17.7 11
CK24L050 432 0 2025-10-23 2025-10-23 19.8 27
0502P 360 0 2025-09-24 2025-09-24 19.8 9
CK25K010 336 0 2025-07-22 2025-10-23 9.1 14
CK25R020 336 0 2025-10-17 2025-10-23 12.3 7
CK25R030 336 0 2025-09-25 2025-10-17 18.3 6
CK25Q030 276 0 2025-08-27 2025-10-23 16.6 3
0003I 216 0 2025-07-20 2025-08-29 11.4 27
0210P 90 0 2025-08-27 2025-08-27 12.5 45
CK23H010 64 0 2025-08-27 2025-08-27 18.4 32
CK23X020 56 0 2025-08-26 2025-08-26 18.9 28
0240P b 48 0 2025-10-23 2025-10-23 17.4 3
0509P 48 0 2025-10-23 2025-10-23 19.3 3
CK25T010 48 0 2025-10-23 2025-10-23 15.5 3
0243P 46 0 2025-08-28 2025-08-28 19.6 23
CK23R03N 34 0 2025-08-29 2025-08-29 19.7 17
CK25L020 30 0 2025-07-25 2025-07-25 18.1 15
CK23R61S 22 0 2025-08-27 2025-08-27 17.3 11
PK16P050 18 0 2025-09-26 2025-09-26 21.8 9

List of Observers

Observer Group Total MPECs
K.Shima 8
Unknown 3
Individual Observer Total MPECs
K.Shima 8
Unknown 3

List of Measurers

Measurer Group Total MPECs
Unknown 11
Individual Measurer Total MPECs
Unknown 11

List of Facilities

Facilities Count
0.4-m f/6.5 Ritchey-Chretien + CCD 8
Unknown 3