385 Nihondaira 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 Orbit Update DOU List Update Retraction Other Follow-Up First Follow-Up
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 2 0 0 0 2 0 0 0 0 0
1998 4 0 1 0 3 0 0 0 0 0
1997 5 0 0 5 0 0 0 0 0 0
1996 3 0 0 1 0 0 0 0 2 0
1995 0 0 0 0 0 0 0 0 0 0
1994 5 0 0 5 0 0 0 0 0 0
1993 2 0 0 2 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 1993-V01 1980 RG1 1993-11-04 13:58:00 Unusual CATCH
2 MPEC 1993-X05 1993 WD = 1991 VJ14 1993-12-15 14:32:00 NEAl18 CATCH
3 MPEC 1994-A03 PERIODIC COMET KUSHIDA-MURAMATSU (1993t) 1994-01-06 00:21:00 Comet CATCH
4 MPEC 1994-A04 PERIODIC COMET MUELLER 5 (1993s) 1994-01-06 01:09:00 Comet CATCH
5 MPEC 1994-A07 1993 XN2 1994-01-14 16:21:00 NEAl18 CATCH
6 MPEC 1994-B02 1994 AW1 1994-01-17 19:34:00 PHAl18 CATCH
7 MPEC 1994-C03 1994 AH2 1994-02-10 19:08:00 NEAl18 CATCH
8 MPEC 1996-A07 1995 YA3 = 1995 VB19 1996-01-05 17:34:00 NEAl18 CATCH
9 MPEC 1996-F07 1996 FG3 1996-03-26 19:07:00 PHAl18 CATCH
10 MPEC 1996-U04 1996 UK 1996-10-21 15:30:00 Unusual CATCH
11 MPEC 1997-D05 COMET P/1997 B1 (KOBAYASHI) 1997-02-19 13:51:00 Comet CATCH
12 MPEC 1997-D06 COMET P/1997 C1 (GEHRELS) 1997-02-19 14:12:00 Comet CATCH
13 MPEC 1997-R10 1997 RT 1997-09-07 18:56:00 NEA (18>H>22) CATCH
14 MPEC 1997-U13 1997 UR 1997-10-26 15:21:00 NEA (H>22) CATCH
15 MPEC 1997-V16 1997 UF9 1997-11-12 17:24:00 NEAl18 CATCH
16 MPEC 1998-Y22 1998 YM4 1998-12-21 15:42:00 ✓ PHAg18 CATCH
17 MPEC 1998-Y29 DAILY ORBIT UPDATE (1998 DEC. 25 UT) 1998-12-25 07:06:00
18 MPEC 1998-Y32 DAILY ORBIT UPDATE (1998 DEC. 27 UT) 1998-12-27 07:06:00
19 MPEC 1998-Y40 DAILY ORBIT UPDATE (1998 DEC. 30 UT) 1998-12-30 07:06:00
20 MPEC 1999-B08 DAILY ORBIT UPDATE (1999 JAN. 18 UT) 1999-01-18 07:06:00
21 MPEC 1999-C15 DAILY ORBIT UPDATE (1999 FEB. 9 UT) 1999-02-09 07:06:00

Objects Observed by This Station (17 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
J98Y04M 450 25 1998-12-19 1998-12-27 20.2 25
J98W06Z 616 0 1999-01-16 1999-01-30 19.9 88
J94A01W 356 0 1994-01-16 1994-01-16 20.3 89
J97R00T 44 0 1997-09-04 1997-09-04 21.5 11
$n J930t 34 0 1993-12-17 1994-01-01 N/A 2
J97U09F 32 0 1997-11-06 1997-11-06 19.7 8
J96F03G 30 0 1996-03-26 1996-03-26 20.2 10
J95Y03A 18 0 1995-12-31 1996-01-01 N/A 3
J97U00R 15 0 1997-10-25 1997-10-25 17.5 3
J93X02N 9 0 1994-01-08 1994-01-08 21.2 3
J94A02H 8 0 1994-01-29 1994-01-29 N/A 4
PJ97C010 8 0 1997-02-06 1997-02-11 19.4 2
't J930s 7 0 1993-12-12 1993-12-23 N/A 1
PJ97B010 6 0 1997-02-06 1997-02-11 N/A 1
J93W00D 4 0 1993-11-28 1993-11-28 N/A 2
J80R01G 3 0 1993-11-03 1993-11-03 N/A 1
J96U00K 3 0 1996-10-19 1996-10-19 N/A 1

List of Observers

Observer Group Total MPECs
T.Urata 16
Unknown 5
Individual Observer Total MPECs
T.Urata 16
Unknown 5

List of Measurers

Measurer Group Total MPECs
Unknown 21
Individual Measurer Total MPECs
Unknown 21

List of Facilities

Facilities Count
0.31-m f/4.7 reflector 2
0.31-m f/4.7 reflector + CCD 14
Unknown 5