W89 Cerro Tololo-LCO Aqawan A #1

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 12 0 0 7 3 0 0 0 2 0
2024 13 0 0 5 5 0 0 0 3 0
2023 7 0 0 2 1 0 0 0 4 0
2022 3 0 0 1 0 0 0 0 2 0
2021 5 0 0 2 1 0 0 0 2 0
2020 0 0 0 0 0 0 0 0 0 0
2019 7 0 0 0 4 0 0 0 2 1
2018 4 0 0 0 3 0 0 0 1 0
2017 2 0 0 1 1 0 0 0 0 0
2016 0 0 0 0 0 0 0 0 0 0
2015 4 0 0 0 4 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 2015-N26 DAILY ORBIT UPDATE (2015 JULY 10 UT) 2015-07-10 12:02:00
2 MPEC 2015-O04 DAILY ORBIT UPDATE (2015 JULY 16 UT) 2015-07-16 12:02:00
3 MPEC 2015-O36 DAILY ORBIT UPDATE (2015 JULY 22 UT) 2015-07-22 12:06:00
4 MPEC 2015-O46 DAILY ORBIT UPDATE (2015 JULY 23 UT) 2015-07-23 12:02:00
5 MPEC 2017-Q11 DAILY ORBIT UPDATE (2017 AUG. 17 UT) 2017-08-17 12:04:00
6 MPEC 2017-U180 COMET C/2017 T2 (PANSTARRS) 2017-10-25 03:16:00 Comet CATCH
7 MPEC 2018-B85 2018 BY2 2018-01-21 23:37:00 PHAg18 CATCH
8 MPEC 2018-E82 DAILY ORBIT UPDATE (2018 MAR. 13 UT) 2018-03-13 12:03:00
9 MPEC 2018-K01 DAILY ORBIT UPDATE (2018 MAY 16 UT) 2018-05-16 12:06:00
10 MPEC 2018-K86 DAILY ORBIT UPDATE (2018 MAY 25 UT) 2018-05-25 12:05:00
11 MPEC 2019-B13 DAILY ORBIT UPDATE (2019 JAN. 16 UT) 2019-01-16 13:07:00
12 MPEC 2019-D40 DAILY ORBIT UPDATE (2019 FEB. 27 UT) 2019-02-27 13:04:00
13 MPEC 2019-O39 DAILY ORBIT UPDATE (2019 July 20) 2019-07-20 12:02:00
14 MPEC 2019-O78 2019 OZ 2019-07-27 21:00:00 ✓ NEA (18>H>22) CATCH
15 MPEC 2019-O120 DAILY ORBIT UPDATE (2019 July 30) 2019-07-30 12:00:00
16 MPEC 2019-Q135 OBSERVATIONS AND ORBITS OF COMETS 2019-08-30 13:34:00 Comet CATCH
17 MPEC 2021-A100 COMET C/2021 A2 (NEOWISE) 2021-01-10 00:37:00 Comet CATCH
18 MPEC 2021-L04 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-06-01 05:18:00 Comet CATCH
19 MPEC 2021-N06 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2021-07-02 04:55:00 Comet CATCH
20 MPEC 2021-T166 COMET C/2021 S3 (PANSTARRS) 2021-10-08 05:30:00 Comet CATCH
21 MPEC 2021-V302 DAILY ORBIT UPDATE (2021 November 13) 2021-11-13 12:02:00
22 MPEC 2022-M96 COMET P/2022 L3 (ATLAS) 2022-06-29 02:33:00 Comet CATCH
23 MPEC 2022-M97 COMET P/2022 L3 (ATLAS) 2022-06-29 03:23:00 Comet CATCH
24 MPEC 2022-Q139 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-08-27 06:24:00 Comet CATCH
25 MPEC 2023-D77 COMET C/2023 A3 (Tsuchinshan-ATLAS) 2023-02-28 23:54:00 Comet CATCH
26 MPEC 2023-L10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-02 05:34:00 Comet CATCH
27 MPEC 2023-M14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-17 00:45:00 Comet CATCH
28 MPEC 2023-M130 2015 DV315 2023-06-25 11:24:00 NEAl18 CATCH
29 MPEC 2023-M172 DAILY ORBIT UPDATE (2023 June 30) 2023-06-30 12:34:00
30 MPEC 2023-N01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-01 04:39:00 Comet CATCH
31 MPEC 2023-Y70 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-21 09:40:00 Comet CATCH
32 MPEC 2024-G193 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-13 23:03:00 Comet CATCH
33 MPEC 2024-H78 DAILY ORBIT UPDATE (2024 April 27) 2024-04-27 12:07:00
34 MPEC 2024-J122 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-05-07 20:00:00 Comet CATCH
35 MPEC 2024-M93 DAILY ORBIT UPDATE (2024 June 27) 2024-06-27 12:05:00
36 MPEC 2024-O15 COMET C/2024 L5 (ATLAS) 2024-07-20 03:29:00 Comet CATCH
37 MPEC 2024-O16 COMET C/2024 M1 (ATLAS) 2024-07-20 04:15:00 Comet CATCH
38 MPEC 2024-O57 COMET P/2012 US27 = P/2024 N5 (Siding Spring) 2024-07-26 06:36:00 Comet CATCH
39 MPEC 2024-O58 DAILY ORBIT UPDATE (2024 July 26) 2024-07-26 12:06:00
40 MPEC 2024-O61 DAILY ORBIT UPDATE (2024 July 27) 2024-07-27 12:07:00
41 MPEC 2024-P43 DAILY ORBIT UPDATE (2024 August 3) 2024-08-03 12:03:00
42 MPEC 2024-Q20 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-08-19 01:13:00 Comet CATCH
43 MPEC 2024-R10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-09-02 02:20:00 Comet CATCH
44 MPEC 2024-V97 COMET C/2024 T5 (ATLAS) 2024-11-07 19:13:00 Comet CATCH
45 MPEC 2025-E119 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-03-06 19:54:00 Comet CATCH
46 MPEC 2025-F22 COMET C/2025 D6 (ATLAS) 2025-03-20 17:15:00 Comet CATCH
47 MPEC 2025-G03 COMET C/2025 F1 (ATLAS) 2025-04-01 02:16:00 Comet CATCH
48 MPEC 2025-H10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-17 17:41:00 Comet CATCH
49 MPEC 2025-N22 Comet 3I/ATLAS 2025-07-03 15:33:00 Comet CATCH
50 MPEC 2025-N103 DAILY ORBIT UPDATE (2025 July 15) 2025-07-15 12:02:00
51 MPEC 2025-O02 DAILY ORBIT UPDATE (2025 July 16) 2025-07-16 12:02:00
52 MPEC 2025-O08 DAILY ORBIT UPDATE (2025 July 17) 2025-07-17 12:03:00
53 MPEC 2025-O116 Comet 3I/ATLAS 2025-07-28 20:09:00 Comet CATCH
54 MPEC 2025-R69 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-09 19:18:00 Comet CATCH
55 MPEC 2025-S173 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-22 20:03:00 Comet CATCH
56 MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-03 21:21:00 Comet CATCH

Objects Observed by This Station (48 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
f5029 17384 0 2024-07-03 2024-07-18 16.2 328
03122 8379 0 2017-08-16 2017-08-16 N/A 931
Y8400 3798 0 2015-07-14 2015-07-15 17.9 211
0210P 2709 0 2025-09-15 2025-10-01 18.5 43
Z2143 2430 0 2024-06-29 2024-07-20 19.5 162
01566 2227 0 2015-06-26 2015-06-30 18.8 131
39796 2082 0 2024-07-01 2024-07-17 17.2 347
66391 2040 0 2018-05-15 2018-05-15 18.3 255
0029P 1812 0 2023-12-15 2023-12-15 16.4 604
K10P66R 1456 0 2015-07-20 2015-07-21 16.2 56
07889 1166 0 2025-07-06 2025-07-08 17.8 583
Q3976 924 0 2025-06-22 2025-07-09 17.8 154
j5432 792 0 2019-07-19 2019-07-19 20.7 72
K17V12R 550 0 2018-03-10 2018-03-10 21.7 55
CK23A030 516 0 2023-02-24 2023-05-26 18.4 86
0002P 402 0 2023-06-25 2023-06-25 20.4 201
k7309 343 0 2018-05-24 2018-05-24 22.5 49
K15DV5V 328 0 2023-06-24 2023-06-29 19.7 82
K18B02Y 304 0 2018-01-17 2018-01-17 N/A 76
CK24M010 270 0 2024-07-04 2024-08-14 17.8 30
K19X00S 266 0 2021-11-11 2021-11-11 22.1 38
PK22L030 252 0 2022-06-19 2022-06-19 19.9 42
CK21S030 250 0 2021-10-02 2021-10-02 21.0 125
CK21T040 246 0 2023-06-12 2023-06-12 22.0 82
0240P 243 0 2025-09-17 2025-09-17 15.2 81
0333P 210 0 2024-04-09 2024-05-02 N/A 35
CK14UR1N 204 0 2021-06-27 2021-06-27 16.5 102
0015P 201 0 2021-05-31 2021-05-31 19.6 67
K19O01H 176 0 2019-07-27 2019-07-27 22.0 44
CK20R070 174 0 2022-08-20 2022-08-20 21.3 87
0003I 150 0 2025-07-03 2025-07-23 12.7 25
K19C04M 144 0 2019-02-26 2019-02-26 19.1 24
CK17T020 138 0 2017-10-22 2017-10-22 12.8 46
CK24G030 126 0 2024-05-02 2024-08-29 4.8 21
CK24T050 108 0 2024-10-19 2024-10-22 15.3 18
K24M00K 108 0 2024-06-26 2024-06-26 10.4 36
CK24S010 72 0 2024-09-29 2024-10-02 16.1 9
K12C00T 72 0 2019-01-14 2019-01-14 22.7 18
0024P 70 0 2025-08-24 2025-08-25 18.2 14
K24H00Y 56 0 2024-04-23 2024-04-23 18.4 7
K19O00Z 54 0 2019-07-26 2019-07-26 21.9 18
CK24L050 52 0 2024-06-15 2024-06-15 16.2 26
CK21A020 36 0 2021-01-05 2021-01-05 15.5 12
PK25D040 36 0 2025-02-28 2025-02-28 19.2 12
CK19J010 30 0 2019-07-30 2019-07-30 18.8 10
CK25F010 30 0 2025-03-29 2025-04-15 16.8 6
CK25D060 12 0 2025-03-08 2025-03-08 N/A 4
PK24N050 8 0 2024-07-12 2024-07-18 18.5 1

List of Observers

Observer Group Total MPECs
A.Hale 27
Unknown 22
J.M.Perez-Redondo 2
E.Gomez, I.Kosic, J.Chatelain, S.Greenstreet, T.Lister 2
E.Gomez, L.Buzzi, P.Miller, R.Holmes, S.Foglia 1
E.Gomez, J.Chatelain, S.Greenstreet, T.Lister 1
L.Conversi, M.Micheli, T.Santana-Ros 1
Individual Observer Total MPECs
A.Hale 27
Unknown 22
E.Gomez 4
J.Chatelain 3
S.Greenstreet 3
T.Lister 3
J.M.Perez-Redondo 2
I.Kosic 2
L.Buzzi 1
P.Miller 1
R.Holmes 1
S.Foglia 1
L.Conversi 1
M.Micheli 1
T.Santana-Ros 1

List of Measurers

Measurer Group Total MPECs
Unknown 50
I.Kosic 2
M.Micheli 1
R.Miles 1
L.Buzzi, S.Foglia 1
T.Lister 1
Individual Measurer Total MPECs
Unknown 50
I.Kosic 2
M.Micheli 1
R.Miles 1
L.Buzzi 1
S.Foglia 1
T.Lister 1

List of Facilities

Facilities Count
0.35-m f/3 Cassegrain + CCD 16
0.36-m f/2.2 reflector + CCD 2
0.4-m f/10 Schmidt- Cassegrain + CCD 5
0.4-m f/8 Schmidt-Cassegrain + CCD 1
0.4-m f/8 reflector + CCD 1
0.4-m f/8.0 Schmidt-Cassegrain + CCD 2
0.4-m reflector + CCD 1
0.40-m f/10 Schmidt- Cassegrain + CCD 5
0.40-m f/8 Schmidt-Cassegrain + CCD 1
Unknown 22