N56 Jiama'erdeng Tianwentai JIST project, Ali, Tibet

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	67	0	4	8	44	0	0	0	11	0
2024	4	0	0	2	2	0	0	0	0	0
2023	2	0	0	1	1	0	0	0	0	0
2022	0	0	0	0	0	0	0	0	0	0
2021	6	0	0	2	3	0	0	0	1	0
2020	1	0	0	0	1	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 2020-Y94 DAILY ORBIT UPDATE (2020 December 22)	2020-12-22 12:33:00
2	MPEC 2021-L113 DAILY ORBIT UPDATE (2021 June 10)	2021-06-10 12:06:00
3	MPEC 2021-L169 DAILY ORBIT UPDATE (2021 June 15)	2021-06-15 12:19:00
4	MPEC 2021-N137 COMET P/2021 N2 (Fuls)	2021-07-15 19:20:00			Comet	CATCH
5	MPEC 2021-O56 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2021-07-27 05:45:00			Comet	CATCH
6	MPEC 2021-P47 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2021-08-06 07:05:00			Comet	CATCH
7	MPEC 2021-Y76 DAILY ORBIT UPDATE (2021 December 31)	2021-12-31 12:01:00
8	MPEC 2023-R20 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2023-09-06 07:20:00			Comet	CATCH
9	MPEC 2023-R23 DAILY ORBIT UPDATE (2023 September 6)	2023-09-06 12:04:00
10	MPEC 2024-M18 DAILY ORBIT UPDATE (2024 June 18)	2024-06-18 12:12:00
11	MPEC 2024-M41 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2024-06-21 20:09:00			Comet	CATCH
12	MPEC 2024-N130 DAILY ORBIT UPDATE (2024 July 11)	2024-07-11 12:03:00
13	MPEC 2024-V117 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2024-11-10 01:11:00			Comet	CATCH
14	MPEC 2025-A04 DAILY ORBIT UPDATE (2025 January 1)	2025-01-01 12:22:00
15	MPEC 2025-B184 2025 BQ7	2025-01-30 21:46:00			NEA (H>22)	CATCH
16	MPEC 2025-C153 COMET C/2025 B2 (Borisov)	2025-02-09 18:29:00			Comet	CATCH
17	MPEC 2025-D47 DAILY ORBIT UPDATE (2025 February 21)	2025-02-21 12:12:00
18	MPEC 2025-D163 DAILY ORBIT UPDATE (2025 February 25)	2025-02-25 12:22:00
19	MPEC 2025-D223 DAILY ORBIT UPDATE (2025 February 27)	2025-02-27 12:22:00
20	MPEC 2025-D254 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-02-28 19:33:00			Comet	CATCH
21	MPEC 2025-E40 DAILY ORBIT UPDATE (2025 March 2)	2025-03-02 12:23:00
22	MPEC 2025-E49 2025 EG	2025-03-02 23:40:00			NEA (H>22)	CATCH
23	MPEC 2025-E98 DAILY ORBIT UPDATE (2025 March 5)	2025-03-05 12:28:00
24	MPEC 2025-F72 DAILY ORBIT UPDATE (2025 March 23)	2025-03-23 12:11:00
25	MPEC 2025-F146 DAILY ORBIT UPDATE (2025 March 25)	2025-03-25 12:15:00
26	MPEC 2025-G102 COMET C/2025 F2 (SWAN)	2025-04-08 23:18:00			Comet	CATCH
27	MPEC 2025-H112 DAILY ORBIT UPDATE (2025 April 24)	2025-04-24 12:14:00
28	MPEC 2025-H183 COMET P/2003 QX29 = P/2025 H1 (NEAT)	2025-04-28 01:20:00			Comet	CATCH
29	MPEC 2025-H206 DAILY ORBIT UPDATE (2025 April 30)	2025-04-30 12:03:00
30	MPEC 2025-J05 DAILY ORBIT UPDATE (2025 May 1)	2025-05-01 12:05:00
31	MPEC 2025-J08 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-05-01 14:58:00			Comet	CATCH
32	MPEC 2025-J12 DAILY ORBIT UPDATE (2025 May 2)	2025-05-02 12:06:00
33	MPEC 2025-J19 DAILY ORBIT UPDATE (2025 May 3)	2025-05-03 12:08:00
34	MPEC 2025-K05 COMET C/2025 J1 (Borisov)	2025-05-17 04:07:00			Comet	CATCH
35	MPEC 2025-K17 DAILY ORBIT UPDATE (2025 May 20)	2025-05-20 12:07:00
36	MPEC 2025-K72 DAILY ORBIT UPDATE (2025 May 24)	2025-05-24 12:04:00
37	MPEC 2025-K118 DAILY ORBIT UPDATE (2025 May 28)	2025-05-28 12:13:00
38	MPEC 2025-L07 2025 LA	2025-06-02 10:57:00			NEA (H>22)	CATCH
39	MPEC 2025-L19 DAILY ORBIT UPDATE (2025 June 3)	2025-06-03 12:22:00
40	MPEC 2025-L50 DAILY ORBIT UPDATE (2025 June 8)	2025-06-08 12:30:00
41	MPEC 2025-L62 COMET C/2025 L2	2025-06-11 14:45:00			Comet	CATCH
42	MPEC 2025-Q17 DAILY ORBIT UPDATE (2025 August 17)	2025-08-17 12:06:00
43	MPEC 2025-Q39 DAILY ORBIT UPDATE (2025 August 19)	2025-08-19 12:10:00
44	MPEC 2025-Q91 DAILY ORBIT UPDATE (2025 August 22)	2025-08-22 12:13:00
45	MPEC 2025-Q174 2025 QK7	2025-08-27 06:15:00			NEA (H>22)	CATCH
46	MPEC 2025-R71 DAILY ORBIT UPDATE (2025 September 10)	2025-09-10 12:45:00
47	MPEC 2025-R74 DAILY ORBIT UPDATE (2025 September 11)	2025-09-11 12:45:00
48	MPEC 2025-S13 2025 QP40	2025-09-16 06:25:00			NEA (18>H>22)	CATCH
49	MPEC 2025-S35 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-09-16 19:04:00			Comet	CATCH
50	MPEC 2025-S117 DAILY ORBIT UPDATE (2025 September 19)	2025-09-19 12:18:00
51	MPEC 2025-S133 DAILY ORBIT UPDATE (2025 September 20)	2025-09-20 12:14:00
52	MPEC 2025-S171 DAILY ORBIT UPDATE (2025 September 22)	2025-09-22 12:21:00
53	MPEC 2025-S173 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-09-22 20:03:00			Comet	CATCH
54	MPEC 2025-S181 DAILY ORBIT UPDATE (2025 September 23)	2025-09-23 12:04:00
55	MPEC 2025-S200 2008 SS	2025-09-24 14:25:00			NEA (H>22)	CATCH
56	MPEC 2025-S238 2025 SQ10	2025-09-26 04:04:00	✓		NEA (H>22)	CATCH
57	MPEC 2025-S257 2025 SO12	2025-09-26 21:45:00	✓		NEA (18>H>22)	CATCH
58	MPEC 2025-S264 DAILY ORBIT UPDATE (2025 September 28)	2025-09-28 12:21:00
59	MPEC 2025-S271 2025 SJ15	2025-09-28 20:17:00			NEA (H>22)	CATCH
60	MPEC 2025-S280 DAILY ORBIT UPDATE (2025 September 29)	2025-09-29 12:23:00
61	MPEC 2025-S288 DAILY ORBIT UPDATE (2025 September 30)	2025-09-30 12:26:00
62	MPEC 2025-S298 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-09-30 17:23:00			Comet	CATCH
63	MPEC 2025-S303 2025 SG22	2025-09-30 20:07:00	✓		NEA (H>22)	CATCH
64	MPEC 2025-T16 DAILY ORBIT UPDATE (2025 October 1)	2025-10-01 12:30:00
65	MPEC 2025-T34 2025 TD	2025-10-02 05:56:00	✓		NEA (H>22)	CATCH
66	MPEC 2025-T74 DAILY ORBIT UPDATE (2025 October 3)	2025-10-03 12:11:00
67	MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-10-03 21:21:00			Comet	CATCH
68	MPEC 2025-T87 2025 TP1	2025-10-04 06:40:00			NEA (H>22)	CATCH
69	MPEC 2025-T159 DAILY ORBIT UPDATE (2025 October 14)	2025-10-14 13:19:00
70	MPEC 2025-T163 DAILY ORBIT UPDATE (2025 October 15)	2025-10-15 13:33:00
71	MPEC 2025-U04 DAILY ORBIT UPDATE (2025 October 16)	2025-10-16 12:15:00
72	MPEC 2025-U33 DAILY ORBIT UPDATE (2025 October 17)	2025-10-17 12:16:00
73	MPEC 2025-U44 DAILY ORBIT UPDATE (2025 October 18)	2025-10-18 12:18:00
74	MPEC 2025-U83 DAILY ORBIT UPDATE (2025 October 20)	2025-10-20 12:23:00
75	MPEC 2025-U128 DAILY ORBIT UPDATE (2025 October 21)	2025-10-21 12:39:00
76	MPEC 2025-U157 DAILY ORBIT UPDATE (2025 October 22)	2025-10-22 12:49:00
77	MPEC 2025-U174 DAILY ORBIT UPDATE (2025 October 23)	2025-10-23 12:33:00
78	MPEC 2025-U186 DAILY ORBIT UPDATE (2025 October 24)	2025-10-24 12:38:00
79	MPEC 2025-U216 DAILY ORBIT UPDATE (2025 October 26)	2025-10-26 12:43:00
80	MPEC 2025-U234 DAILY ORBIT UPDATE (2025 October 27)	2025-10-27 12:44:00

Objects Observed by This Station (119 total)

Object	Observations	Discoveries	First Obs	Last Obs	Magnitude	MPECs
K25T00D	520	40	2025-10-01	2025-10-01	22.6	2
K25S12O	1066	13	2025-09-25	2025-09-30	21.1	13
K25S10Q	693	9	2025-09-24	2025-09-30	21.6	9
K25S22G	33	3	2025-09-28	2025-09-30	N/A	3
0048P	6780	0	2025-10-02	2025-10-02	19.3	113
0240P	4860	0	2025-10-02	2025-10-02	15.2	81
CK22R060	4380	0	2025-10-02	2025-10-02	17.2	73
03103	3452	0	2024-07-10	2024-07-10	18.1	863
0493P	2520	0	2025-10-02	2025-10-02	17.5	21
23187	2172	0	2020-11-13	2020-11-13	18.2	362
K18T02Y	2016	0	2025-10-17	2025-10-19	19.2	42
07889	1749	0	2021-07-02	2021-07-02	17.8	583
K06R55A	1290	0	2025-10-17	2025-10-17	18.7	43
J97Q01K	1260	0	2025-10-19	2025-10-19	20.2	70
K25Q02W	1200	0	2025-10-13	2025-10-14	19.5	16
99942	852	0	2020-12-19	2020-12-19	15.2	284
0024P	840	0	2025-10-02	2025-10-02	18.2	14
05646	822	0	2021-06-14	2021-06-14	19.5	411
89355	794	0	2021-05-24	2021-05-24	18.9	397
0242P	704	0	2024-10-31	2024-10-31	18.0	88
K25N00N	700	0	2025-10-16	2025-10-16	20.0	35
PK21N020	672	0	2021-07-09	2021-07-13	16.3	48
CK25A060	630	0	2025-09-25	2025-10-02	10.9	10
40263	567	0	2021-04-19	2021-04-19	18.3	189
K25S29E	540	0	2025-10-15	2025-10-15	18.0	18
D8937	501	0	2022-01-02	2022-01-02	18.6	167
K25S15J	441	0	2025-09-27	2025-09-27	20.1	7
04503	416	0	2021-06-09	2021-06-09	20.8	208
J4126	405	0	2020-11-09	2020-11-09	18.6	135
h8429	384	0	2021-06-08	2021-06-08	21.5	192
K06T08C	378	0	2025-10-22	2025-10-22	19.0	21
f4586	375	0	2021-03-14	2021-06-13	21.9	75
K25T01P	360	0	2025-10-03	2025-10-03	22.2	3
K13Q48H	342	0	2025-09-29	2025-09-29	18.2	114
K07Y00Z	340	0	2024-12-30	2024-12-30	20.3	85
0047P	330	0	2025-09-28	2025-09-28	15.8	110
r5844	330	0	2025-02-25	2025-02-25	21.1	110
CK22E020	300	0	2025-09-28	2025-09-28	15.1	100
I9008	297	0	2024-06-16	2024-06-16	20.8	99
K02R27D	264	0	2025-02-18	2025-02-18	19.3	88
CK23A030	258	0	2025-09-29	2025-09-29	18.4	86
E0928	237	0	2021-06-08	2021-06-08	20.8	79
K11S16J	234	0	2025-09-21	2025-09-22	20.9	39
G3364	230	0	2020-12-03	2020-12-03	21.4	115
K25R01D	216	0	2025-10-19	2025-10-19	19.8	12
K05EM3Z	198	0	2025-10-19	2025-10-19	18.4	11
CK20J010	186	0	2021-07-02	2021-07-02	18.5	62
CK23C020	183	0	2025-09-29	2025-09-29	16.5	61
CK23R010	174	0	2025-09-28	2025-09-28	16.7	58
K21J00Y	162	0	2025-04-29	2025-04-29	19.2	54
CK23H050	153	0	2025-09-29	2025-09-29	17.6	51
0003I	150	0	2025-09-15	2025-09-17	12.7	25
K25P00T	144	0	2025-10-20	2025-10-20	19.4	12
0302P	138	0	2025-09-29	2025-09-29	17.1	46
CK24E010	135	0	2025-09-28	2025-09-28	14.7	45
K09S18G	135	0	2025-09-09	2025-09-09	16.3	45
0089P	132	0	2024-06-16	2024-06-16	18.7	44
b3579	132	0	2020-12-19	2020-12-19	21.6	44
q4471	132	0	2025-06-02	2025-06-02	19.4	44
K09F00F	129	0	2025-09-22	2025-09-22	20.6	43
K18T03F	126	0	2025-05-19	2025-05-19	21.8	42
K25B02U	123	0	2025-02-24	2025-02-24	19.0	41
CK17Y020	120	0	2021-06-29	2021-06-29	16.3	40
CK24R040	120	0	2025-09-15	2025-09-29	16.7	20
K25H03L	114	0	2025-05-02	2025-05-02	21.9	19
K20T04G	110	0	2020-12-19	2020-12-19	18.3	55
CK24J030	108	0	2025-09-28	2025-09-28	16.6	36
K21U00O	102	0	2025-10-23	2025-10-23	18.4	34
K25T11M	100	0	2025-10-17	2025-10-17	19.9	5
0145P	99	0	2025-09-29	2025-09-29	17.6	33
CK24M010	90	0	2024-11-04	2024-11-04	17.8	30
K25S81G	90	0	2025-10-21	2025-10-21	19.6	5
K25O13D	87	0	2025-09-21	2025-09-21	18.0	29
K00L10K	84	0	2025-10-26	2025-10-26	19.7	28
K25D02F	84	0	2025-03-01	2025-03-04	21.3	14
0234P	81	0	2025-04-30	2025-04-30	22.2	27
K16J00E	78	0	2025-04-30	2025-04-30	21.7	26
m0856	74	0	2021-06-07	2021-06-07	21.2	37
K25U02G	72	0	2025-10-22	2025-10-22	20.1	4
~10LC	72	0	2025-10-20	2025-10-20	17.8	4
K25O13E	63	0	2025-08-21	2025-08-21	17.0	21
K25Q12R	63	0	2025-09-10	2025-09-10	22.2	21
K25B07Q	60	0	2025-01-30	2025-01-30	22.4	20
K14T17L	58	0	2025-04-30	2025-04-30	19.6	29
K17FI8S	57	0	2025-05-27	2025-05-27	N/A	19
K25H23P	57	0	2025-06-06	2025-06-06	22.8	19
K08S00S	55	0	2025-09-22	2025-09-22	18.7	11
CK25J010	54	0	2025-05-03	2025-05-13	18.3	9
K25F14L	54	0	2025-05-02	2025-05-02	21.9	18
K20V01A	51	0	2020-11-09	2020-11-09	18.8	17
K25D00E	51	0	2025-02-24	2025-02-24	22.1	17
K25D06P	51	0	2025-03-04	2025-03-04	21.8	17
CK25F020	48	0	2025-04-04	2025-04-07	19.1	8
K25P00O	48	0	2025-08-16	2025-08-16	22.0	16
K25Q39G	48	0	2025-09-21	2025-09-21	20.4	16
0268P	36	0	2025-02-24	2025-02-24	19.2	12
K25H04U	36	0	2025-05-01	2025-05-01	21.3	12
CK20X020	33	0	2020-12-22	2020-12-22	22.5	11
K25S00T	30	0	2025-09-18	2025-09-18	18.1	10
CK25L020	26	0	2025-06-03	2025-06-03	18.3	13
K25D04P	24	0	2025-02-23	2025-02-23	19.6	8
K25P02H	24	0	2025-08-18	2025-08-18	22.2	8
K25R01R	22	0	2025-09-19	2025-09-19	21.2	11
K21T02V	21	0	2025-09-27	2025-09-27	21.1	7
K25E04A	21	0	2025-03-22	2025-03-22	20.0	7
K25S04C	21	0	2025-09-28	2025-09-28	21.9	7
K25H00D	20	0	2025-04-23	2025-04-23	21.4	10
z3096	20	0	2021-04-19	2021-04-19	22.3	10
K06K89K	18	0	2025-05-23	2025-05-23	20.0	6
K25S07K	18	0	2025-09-27	2025-09-27	19.1	6
K25Q78E	16	0	2025-10-25	2025-10-25	20.4	8
CK25B020	15	0	2025-01-26	2025-01-26	19.4	5
K25F00O	15	0	2025-03-24	2025-03-24	21.4	5
K25Q40P	12	0	2025-09-14	2025-09-14	21.5	4
K25L00A	9	0	2025-06-01	2025-06-01	19.0	3
K25Q07K	9	0	2025-08-26	2025-08-26	20.4	3
K25E00G	6	0	2025-03-01	2025-03-01	N/A	3
PK25H010	2	0	2025-04-26	2025-04-26	20.0	1
z3862	2	0	2020-11-09	2020-11-09	18.9	1

List of Observers

Observer Group	Total MPECs
Unknown	51
T.Chen, W.Li	10
J.Camarasa, T.Chen, W.Li	7
J.Camarasa, T.Chen	6
B.Li, C.Zhang, T.Chen	3
T.Chen	2
D.W.E.Green, T.Chen	1

Individual Observer	Total MPECs
Unknown	51
T.Chen	29
W.Li	17
J.Camarasa	13
B.Li	3
C.Zhang	3
D.W.E.Green	1

List of Measurers

Measurer Group	Total MPECs
Unknown	58
J.Camarasa	8
J.Camarasa, T.Chen	7
B.Li, H.B.Zhao, T.Chen	3
T.Chen	2
Y.-S.Tsai	2

Individual Measurer	Total MPECs
Unknown	58
J.Camarasa	15
T.Chen	12
B.Li	3
H.B.Zhao	3
Y.-S.Tsai	2

List of Facilities

Facilities	Count
0.28-m f/2.2 reflector + CMO	8
0.28-m f/2.2 reflector + CMO, 0.50-m f/8.1 reflector + CCD	5
0.28m f/2.2 RASA + QHY600 Pro M	1
0.28m f/2.2 RASA11 + QHY600 Pro M	1
0.3-m f/7.2 reflector + CCD	1
0.50-m f/8.1 reflector + CCD	8
0.50-m f/8.1 reflector + CCD, 0.28-m f/2.2 reflector + CMO	2
Unknown	54