U63 Burnt Tree Hill Observatory, Cle Elum

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 P/R/FU DOU List Update Retraction Other Follow-Up First Follow-Up
2024 5 0 0 0 3 0 0 0 2 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 16 0 2 1 11 0 0 0 2 0
2019 12 0 0 0 6 0 0 0 6 0
2018 18 0 0 1 13 0 0 0 4 0
2017 3 0 0 0 3 0 0 0 0 0
2016 1 0 0 0 1 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 2024-Q70 2024 QD1 2024-08-29 13:38:00 NEA (18>H>22) CATCH
2 MPEC 2024-Q02 2024 PE6 2024-08-16 01:47:00 NEA (18>H>22) CATCH
3 MPEC 2024-P76 DAILY ORBIT UPDATE (2024 August 6) 2024-08-06 12:06:00
4 MPEC 2024-O99 DAILY ORBIT UPDATE (2024 July 30) 2024-07-30 12:09:00
5 MPEC 2024-N153 DAILY ORBIT UPDATE (2024 July 15) 2024-07-15 12:01:00
6 MPEC 2020-U96 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2020-10-19 00:30:00 Comet CATCH
7 MPEC 2020-T13 DAILY ORBIT UPDATE (2020 October 6) 2020-10-06 12:22:00
8 MPEC 2020-T05 DAILY ORBIT UPDATE (2020 October 3) 2020-10-03 12:19:00
9 MPEC 2020-T04 DAILY ORBIT UPDATE (2020 October 2) 2020-10-02 12:21:00
10 MPEC 2020-T01 DAILY ORBIT UPDATE (2020 October 1) 2020-10-01 12:19:00
11 MPEC 2020-S154 DAILY ORBIT UPDATE (2020 September 22) 2020-09-22 12:09:00
12 MPEC 2020-S146 2020 SA3 2020-09-21 20:27:00 ✓ NEA (H>22) CATCH
13 MPEC 2020-S129 2020 SR2 2020-09-21 03:58:00 ✓ NEA (H>22) CATCH
14 MPEC 2020-Q146 DAILY ORBIT UPDATE (2020 August 21) 2020-08-21 12:11:00
15 MPEC 2020-Q98 DAILY ORBIT UPDATE (2020 August 19) 2020-08-19 12:10:00
16 MPEC 2020-Q45 DAILY ORBIT UPDATE (2020 August 17) 2020-08-17 12:06:00
17 MPEC 2020-O103 DAILY ORBIT UPDATE (2020 July 25) 2020-07-25 12:23:00
18 MPEC 2020-O30 COMET C/2020 M5 (ATLAS) 2020-07-19 21:40:00 Comet CATCH
19 MPEC 2020-M29 2020 MK 2020-06-19 04:38:00 NEA (H>22) CATCH
20 MPEC 2020-L32 DAILY ORBIT UPDATE (2020 June 8) 2020-06-08 12:01:00
21 MPEC 2020-F83 DAILY ORBIT UPDATE (2020 March 23) 2020-03-23 12:06:00
22 MPEC 2019-S39 DAILY ORBIT UPDATE (2019 September 22) 2019-09-22 12:11:00
23 MPEC 2019-Q135 OBSERVATIONS AND ORBITS OF COMETS 2019-08-30 13:34:00 Comet CATCH
24 MPEC 2019-Q95 DAILY ORBIT UPDATE (2019 August 28) 2019-08-28 12:01:00
25 MPEC 2019-P37 2019 PA 2019-08-05 03:07:00 NEA (18>H>22) CATCH
26 MPEC 2019-O81 DAILY ORBIT UPDATE (2019 July 28) 2019-07-28 13:49:00
27 MPEC 2019-O75 DAILY ORBIT UPDATE (2019 July 27) 2019-07-27 20:04:00
28 MPEC 2019-N63 DAILY ORBIT UPDATE (2019 July 5) 2019-07-05 12:12:00
29 MPEC 2019-J142 OBSERVATIONS AND ORBITS OF COMETS 2019-05-15 14:22:00 Comet CATCH
30 MPEC 2019-J117 2019 JU5 2019-05-12 18:45:00 NEA (H>22) CATCH
31 MPEC 2019-H41 2019 HD 2019-04-22 04:14:00 NEA (18>H>22) CATCH
32 MPEC 2019-H29 COMET C/2019 F2 (ATLAS) 2019-04-22 01:49:00 Comet CATCH
33 MPEC 2019-A217 DAILY ORBIT UPDATE (2019 JAN. 13 UT) 2019-01-13 13:36:00
34 MPEC 2018-W52 DAILY ORBIT UPDATE (2018 NOV. 25 UT) 2018-11-25 13:05:00
35 MPEC 2018-V150 DAILY ORBIT UPDATE (2018 NOV. 11 UT) 2018-11-11 13:07:00
36 MPEC 2018-U53 2018 UQ1 2018-10-22 10:30:00 PHAg18 CATCH
37 MPEC 2018-U37 2018 UA1 2018-10-20 21:57:00 PHAg18 CATCH
38 MPEC 2018-S50 OBSERVATIONS AND ORBITS OF COMETS 2018-09-21 00:29:00 Comet CATCH
39 MPEC 2018-S25 2018 RP8 2018-09-18 02:49:00 NEA (18>H>22) CATCH
40 MPEC 2018-R08 DAILY ORBIT UPDATE (2018 SEPT. 3 UT) 2018-09-03 12:11:00
41 MPEC 2018-Q38 DAILY ORBIT UPDATE (2018 AUG. 19 UT) 2018-08-19 12:04:00
42 MPEC 2018-P10 DAILY ORBIT UPDATE (2018 AUG. 5 UT) 2018-08-05 12:03:00
43 MPEC 2018-O36 DAILY ORBIT UPDATE (2018 JULY 22 UT) 2018-07-22 12:03:00
44 MPEC 2018-O28 DAILY ORBIT UPDATE (2018 JULY 19 UT) 2018-07-19 12:03:00
45 MPEC 2018-N79 2018 NU3 2018-07-14 16:30:00 NEA (18>H>22) CATCH
46 MPEC 2018-N32 DAILY ORBIT UPDATE (2018 JULY 9 UT) 2018-07-09 12:05:00
47 MPEC 2018-N20 DAILY ORBIT UPDATE (2018 JULY 6 UT) 2018-07-06 12:06:00
48 MPEC 2018-M99 DAILY ORBIT UPDATE (2018 JUNE 26 UT) 2018-06-26 12:03:00
49 MPEC 2018-L07 DAILY ORBIT UPDATE (2018 JUNE 4 UT) 2018-06-04 12:02:00
50 MPEC 2018-J76 DAILY ORBIT UPDATE (2018 MAY 14 UT) 2018-05-14 12:06:00
51 MPEC 2018-F37 DAILY ORBIT UPDATE (2018 MAR. 19 UT) 2018-03-19 12:03:00
52 MPEC 2017-V07 DAILY ORBIT UPDATE (2017 NOV. 3 UT) 2017-11-03 12:07:00
53 MPEC 2017-V04 DAILY ORBIT UPDATE (2017 NOV. 1 UT) 2017-11-01 12:07:00
54 MPEC 2017-P44 DAILY ORBIT UPDATE (2017 AUG. 13 UT) 2017-08-13 12:04:00
55 MPEC 2016-X98 DAILY ORBIT UPDATE (2016 DEC. 15 UT) 2016-12-15 13:06:00

List of Observers

Observers Count
B. Van Deventer 81
B. Vandeventer, R. Morrison, N. Saini, C. Zhai, R. Trahan, M. Shao 12

List of Measurers

Measurers Count

List of Facilities

Facilities Count
0.4-m Schmidt-Cassegrain + CCD 32
0.4-m f/10 Schmidt-Cassegrain + CCD 24
0.25-m Schmidt-Cassegrain + CCD 8
0.3-m Schmidt + CCD 4
0.28-m f/2.2 reflector + CCD 12
0.4m SCT + CCD 4
0.4-m f/10 SCT + CCD 3