G84 Mount Lemmon SkyCenter

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 3 0 0 0 2 0 0 0 1 0
2022 23 0 0 0 8 0 0 0 14 1
2021 0 0 0 0 0 0 0 0 0 0
2020 0 0 0 0 0 0 0 0 0 0
2019 1 0 0 0 1 0 0 0 0 0
2018 6 0 0 1 5 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 1 0 0 0 0 0 0 0 1 0
2014 1 0 0 1 0 0 0 0 0 0
2013 5 0 0 3 0 0 0 0 2 0
2012 14 0 0 6 7 0 0 0 1 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 2012-C23 COMET C/2012 B3 (LA SAGRA) 2012-02-04 16:10:00 Comet CATCH
2 MPEC 2012-D53 DAILY ORBIT UPDATE (2012 FEB. 24 UT) 2012-02-24 06:03:00
3 MPEC 2012-E21 2012 DX75 2012-03-03 11:51:00 NEA (18>H>22) CATCH
4 MPEC 2012-H22 DAILY ORBIT UPDATE (2012 APR. 19 UT) 2012-04-19 06:03:00
5 MPEC 2012-H28 DAILY ORBIT UPDATE (2012 APR. 20 UT) 2012-04-20 06:03:00
6 MPEC 2012-J50 DAILY ORBIT UPDATE (2012 MAY 15 UT) 2012-05-15 06:02:00
7 MPEC 2012-L45 2012 HR69 2012-06-15 22:48:00 NEA (18>H>22) CATCH
8 MPEC 2012-T34 DAILY ORBIT UPDATE (2012 OCT. 10 UT) 2012-10-10 06:04:00
9 MPEC 2012-T73 OBSERVATIONS AND ORBITS OF COMETS 2012-10-12 21:36:00 Comet CATCH
10 MPEC 2012-U40 COMET P/2012 T7 (VOROBJOV) 2012-10-18 19:11:00 Comet CATCH
11 MPEC 2012-U63 DAILY ORBIT UPDATE (2012 OCT. 21 UT) 2012-10-21 06:10:00
12 MPEC 2012-U109 OBSERVATIONS AND ORBITS OF COMETS 2012-10-26 20:51:00 Comet CATCH
13 MPEC 2012-V101 OBSERVATIONS AND ORBITS OF COMETS 2012-11-15 22:38:00 Comet CATCH
14 MPEC 2012-W44 DAILY ORBIT UPDATE (2012 NOV. 25 UT) 2012-11-25 06:08:00
15 MPEC 2013-B21 2013 AS105 2013-01-18 18:09:00 Unusual CATCH
16 MPEC 2013-H10 COMET C/2013 G7 (MCNAUGHT) 2013-04-16 21:33:00 Comet CATCH
17 MPEC 2013-J07 COMET P/2013 EV9 (SPACEWATCH) 2013-05-02 15:53:00 Comet CATCH
18 MPEC 2013-K23 2013 JB36 2013-05-20 00:32:00 NEA (18>H>22) CATCH
19 MPEC 2013-W01 OBSERVATIONS AND ORBITS OF COMETS 2013-11-16 06:59:00 Comet CATCH
20 MPEC 2014-N57 OBSERVATIONS AND ORBITS OF COMETS 2014-07-09 00:13:00 Comet CATCH
21 MPEC 2015-E05 2015 DN215 2015-03-01 17:27:00 PHAg18 CATCH
22 MPEC 2018-C26 DAILY ORBIT UPDATE (2018 FEB. 7 UT) 2018-02-07 13:04:00
23 MPEC 2018-H42 DAILY ORBIT UPDATE (2018 APR. 20 UT) 2018-04-20 12:03:00
24 MPEC 2018-H71 DAILY ORBIT UPDATE (2018 APR. 24 UT) 2018-04-24 12:05:00
25 MPEC 2018-H105 OBSERVATIONS AND ORBITS OF COMETS 2018-04-30 01:15:00 Comet CATCH
26 MPEC 2018-K01 DAILY ORBIT UPDATE (2018 MAY 16 UT) 2018-05-16 12:06:00
27 MPEC 2018-K86 DAILY ORBIT UPDATE (2018 MAY 25 UT) 2018-05-25 12:05:00
28 MPEC 2019-G150 DAILY ORBIT UPDATE (2019 APR. 11 UT) 2019-04-11 12:08:00
29 MPEC 2022-H32 DAILY ORBIT UPDATE (2022 April 23) 2022-04-23 12:03:00
30 MPEC 2022-H78 2022 HA2 2022-04-26 21:59:00 NEA (H>22) CATCH
31 MPEC 2022-H80 2022 HC2 2022-04-27 04:08:00 NEA (H>22) CATCH
32 MPEC 2022-H82 DAILY ORBIT UPDATE (2022 April 27) 2022-04-27 12:07:00
33 MPEC 2022-H92 2022 HQ2 2022-04-28 11:00:00 NEA (H>22) CATCH
34 MPEC 2022-H93 2022 HR2 2022-04-28 11:01:00 NEA (H>22) CATCH
35 MPEC 2022-H94 DAILY ORBIT UPDATE (2022 April 28) 2022-04-28 12:08:00
36 MPEC 2022-H107 DAILY ORBIT UPDATE (2022 April 29) 2022-04-29 12:01:00
37 MPEC 2022-J77 2022 JP1 2022-05-10 10:57:00 NEA (H>22) CATCH
38 MPEC 2022-J80 DAILY ORBIT UPDATE (2022 May 10) 2022-05-10 12:09:00
39 MPEC 2022-J83 2022 JU1 2022-05-10 23:39:00 NEA (H>22) CATCH
40 MPEC 2022-J89 DAILY ORBIT UPDATE (2022 May 11) 2022-05-11 12:09:00
41 MPEC 2022-J92 2022 JA2 2022-05-11 23:15:00 PHAg18 CATCH
42 MPEC 2022-J98 2022 JG2 2022-05-12 10:53:00 ✓ NEA (H>22) CATCH
43 MPEC 2022-J101 2022 JH2 2022-05-13 10:50:00 NEA (H>22) CATCH
44 MPEC 2022-J102 2022 JJ2 2022-05-13 10:51:00 NEA (H>22) CATCH
45 MPEC 2022-L67 2022 LB2 2022-06-08 07:58:00 NEA (H>22) CATCH
46 MPEC 2022-L69 DAILY ORBIT UPDATE (2022 June 8) 2022-06-08 12:13:00
47 MPEC 2022-L79 2022 LW2 2022-06-10 01:40:00 NEA (H>22) CATCH
48 MPEC 2022-L87 2022 LE3 2022-06-11 16:14:00 NEA (18>H>22) CATCH
49 MPEC 2022-L98 DAILY ORBIT UPDATE (2022 June 13) 2022-06-13 12:14:00
50 MPEC 2022-L99 2022 LN3 2022-06-14 04:01:00 NEA (H>22) CATCH
51 MPEC 2023-M09 DAILY ORBIT UPDATE (2023 June 16) 2023-06-16 12:12:00
52 MPEC 2023-M160 DAILY ORBIT UPDATE (2023 June 29) 2023-06-29 12:34:00
53 MPEC 2023-M169 2023 MZ5 2023-06-29 22:32:00 NEA (H>22) CATCH

Objects Observed by This Station (78 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
04055 3448 0 2022-04-26 2022-04-26 16.6 862
05332 2244 0 2022-04-26 2022-04-26 17.4 561
16834 1442 0 2018-05-24 2018-05-24 17.6 721
R5976 1017 0 2018-02-05 2018-02-05 21.1 113
0119P 780 0 2013-11-09 2013-11-10 N/A 156
E1484 477 0 2018-05-08 2018-05-08 18.8 159
68548 458 0 2012-11-23 2012-11-23 17.1 229
K09K02L 390 0 2012-04-17 2012-05-13 21.7 65
O2643 222 0 2018-04-18 2018-04-18 19.3 74
K22H01F 216 0 2022-04-26 2022-04-28 N/A 18
Q7729 186 0 2019-02-08 2019-02-08 22.2 62
K22F02D 161 0 2022-04-22 2022-04-28 19.3 23
0290P 160 0 2013-11-10 2013-11-10 15.4 40
K12D75X 156 0 2012-03-01 2012-03-01 22.6 39
K22G06U 156 0 2022-04-28 2022-04-28 N/A 39
0261P 148 0 2012-10-08 2012-10-08 17.6 37
K15DL5N 148 0 2015-02-27 2015-02-27 20.3 37
K05J80Y 138 0 2018-04-23 2018-04-23 18.6 46
K22H02R 136 0 2022-04-28 2022-04-28 19.6 34
K12A01E 128 0 2012-02-23 2012-02-23 22.2 32
K22J01N 112 0 2022-05-10 2022-05-11 19.3 16
K12R02M 108 0 2012-10-08 2012-10-18 18.8 18
K22H00J 108 0 2022-04-27 2022-04-27 19.4 27
K15T23P 106 0 2022-05-11 2022-05-11 18.8 53
CK16R020 102 0 2018-04-10 2018-04-10 22.8 34
CK12S010 100 0 2012-10-25 2012-10-25 11.0 50
K22H02X 96 0 2022-05-10 2022-05-11 22.3 12
K12H69R 90 0 2012-06-15 2012-06-15 19.8 30
K22G00Z 88 0 2022-04-26 2022-04-26 N/A 22
PK08Q020 87 0 2014-06-29 2014-06-29 19.6 29
K22H00V 84 0 2022-04-28 2022-04-28 20.6 21
K22L00F 84 0 2022-06-13 2022-06-13 19.6 21
K13J36B 78 0 2013-05-16 2013-05-16 21.5 26
CK13G070 72 0 2013-04-14 2013-04-14 18.3 24
K22H00Y 72 0 2022-04-26 2022-04-26 20.1 18
PK12T070 72 0 2012-10-15 2012-11-13 N/A 8
K12V37F 68 0 2012-11-23 2012-11-23 N/A 34
K22F06E 68 0 2022-04-22 2022-04-22 N/A 17
K22G05L 68 0 2022-04-27 2022-04-27 N/A 17
CK12B030 63 0 2012-02-01 2012-02-01 19.1 21
K22J02A 60 0 2022-05-11 2022-05-11 19.8 15
K22H01O 56 0 2022-04-28 2022-04-28 23.1 14
K12W03P 54 0 2012-11-23 2012-11-23 N/A 27
K23M04E 52 0 2023-06-29 2023-06-29 21.0 13
K22H02C 48 0 2022-04-26 2022-04-26 20.0 12
K22J01M 45 0 2022-05-10 2022-05-10 19.2 15
K12TD9Q 42 0 2012-11-23 2012-11-23 20.3 21
K22J01H 42 0 2022-05-11 2022-05-11 24.4 14
K22J02G 42 0 2022-05-10 2022-05-10 22.1 14
K22G06A 39 0 2022-04-26 2022-04-26 21.7 13
K22H03M 39 0 2022-05-11 2022-05-11 20.8 13
K22J01Q 39 0 2022-05-11 2022-05-11 23.7 13
K22H00R 36 0 2022-04-26 2022-04-27 22.0 9
K22H02K 36 0 2022-04-28 2022-04-28 22.3 9
K22J00Y 36 0 2022-05-11 2022-05-11 18.2 9
K22J01U 36 0 2022-05-10 2022-05-11 20.1 9
K22J02J 36 0 2022-05-11 2022-05-11 N/A 9
K22J02H 33 0 2022-05-11 2022-05-11 21.9 11
K22H02D 32 0 2022-04-28 2022-04-28 N/A 8
K22J01G 28 0 2022-05-10 2022-05-10 N/A 14
K22G05O 22 0 2022-04-22 2022-04-22 20.5 11
K22H02A 21 0 2022-04-26 2022-04-26 N/A 7
K23M05Z 20 0 2023-06-29 2023-06-29 24.0 5
K15TN7R 18 0 2022-05-10 2022-05-10 21.7 9
K22H01G 18 0 2022-04-27 2022-04-27 21.3 6
K22L03E 18 0 2022-06-08 2022-06-08 22.0 9
PK13E09V 18 0 2013-04-29 2013-04-29 18.1 6
K22J01P 15 0 2022-05-10 2022-05-10 N/A 5
K22H02Q 12 0 2022-04-28 2022-04-28 22.8 3
K22J00U 12 0 2022-05-11 2022-05-11 21.1 4
K22J01A 12 0 2022-05-10 2022-05-10 22.1 6
K22J01X 12 0 2022-05-11 2022-05-11 22.2 6
K22L03N 12 0 2022-06-13 2022-06-13 20.6 3
K23K03V 12 0 2023-05-27 2023-05-27 19.9 4
K22L01S 9 0 2022-06-08 2022-06-08 20.6 3
K13AA5S 6 0 2013-01-17 2013-01-17 20.2 2
K22L02B 6 0 2022-06-08 2022-06-08 N/A 2
K22L02W 4 0 2022-06-08 2022-06-08 21.4 1

List of Observers

Observer Group Total MPECs
Unknown 23
D.Rankin 9
D.C.Fuls 5
T.Vorobjov 4
M.Langbroek 3
A.Kostin 1
A.Watkins 1
G.J.Leonard 1
M.D.Mattson 1
M.Ory 1
P.Camilleri 1
R.Dymock 1
A.Kostin, T.Vorobjov 1
N.James, T.Vorobjov 1
Individual Observer Total MPECs
Unknown 23
D.Rankin 9
T.Vorobjov 6
D.C.Fuls 5
M.Langbroek 3
A.Kostin 2
A.Watkins 1
G.J.Leonard 1
M.D.Mattson 1
M.Ory 1
P.Camilleri 1
R.Dymock 1
N.James 1

List of Measurers

Measurer Group Total MPECs
Unknown 35
A.D.Grauer, A.R.Gibbs, A.Serrano, D.C.Fuls, D.Fay, D.Rankin, E.J.Christensen, F.C.Shelly, G.J.Leonard, H.Groeller, J.B.Fazekas, J.K.Hogan, K.W.Wierzchos, R.A.Kowalski, R.L.Seaman, S.M.Larson 15
T.Vorobjov 2
A.Watkins, L.Buzzi 1
Individual Measurer Total MPECs
Unknown 35
A.D.Grauer 15
A.R.Gibbs 15
A.Serrano 15
D.C.Fuls 15
D.Fay 15
D.Rankin 15
E.J.Christensen 15
F.C.Shelly 15
G.J.Leonard 15
H.Groeller 15
J.B.Fazekas 15
J.K.Hogan 15
K.W.Wierzchos 15
R.A.Kowalski 15
R.L.Seaman 15
S.M.Larson 15
T.Vorobjov 2
A.Watkins 1
L.Buzzi 1

List of Facilities

Facilities Count
0.6-m f/7.8 reflector + CCD 1
0.8-m f/7.0 reflector 4
0.8-m f/7.0 reflector + CMOS 11
0.81-m f/7 Ritchey-Chretien + CCD 14
Unknown 23