M01 Weizmann Astrophysical 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	25	0	0	3	22	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	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 2025-E10 DAILY ORBIT UPDATE (2025 March 1)	2025-03-01 12:23:00
2	MPEC 2025-N20 DAILY ORBIT UPDATE (2025 July 3)	2025-07-03 12:05:00
3	MPEC 2025-N64 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-07-07 20:51:00			Comet	CATCH
4	MPEC 2025-N66 DAILY ORBIT UPDATE (2025 July 8)	2025-07-08 12:10:00
5	MPEC 2025-N90 DAILY ORBIT UPDATE (2025 July 12)	2025-07-12 12:15:00
6	MPEC 2025-N99 DAILY ORBIT UPDATE (2025 July 13)	2025-07-13 12:15:00
7	MPEC 2025-N100 DAILY ORBIT UPDATE (2025 July 14)	2025-07-14 12:16:00
8	MPEC 2025-O20 Comet 3I/ATLAS	2025-07-18 20:50:00			Comet	CATCH
9	MPEC 2025-O63 DAILY ORBIT UPDATE (2025 July 23)	2025-07-23 12:10:00
10	MPEC 2025-O159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2025-07-31 18:52:00			Comet	CATCH
11	MPEC 2025-P04 DAILY ORBIT UPDATE (2025 August 1)	2025-08-01 12:03:00
12	MPEC 2025-P85 DAILY ORBIT UPDATE (2025 August 4)	2025-08-04 12:07:00
13	MPEC 2025-P97 DAILY ORBIT UPDATE (2025 August 5)	2025-08-05 12:08:00
14	MPEC 2025-P106 DAILY ORBIT UPDATE (2025 August 6)	2025-08-06 12:11:00
15	MPEC 2025-P125 DAILY ORBIT UPDATE (2025 August 10)	2025-08-10 12:14:00
16	MPEC 2025-Q179 DAILY ORBIT UPDATE (2025 August 27)	2025-08-27 12:24:00
17	MPEC 2025-Q215 DAILY ORBIT UPDATE (2025 August 29)	2025-08-29 12:34:00
18	MPEC 2025-R71 DAILY ORBIT UPDATE (2025 September 10)	2025-09-10 12:45:00
19	MPEC 2025-R74 DAILY ORBIT UPDATE (2025 September 11)	2025-09-11 12:45:00
20	MPEC 2025-R84 DAILY ORBIT UPDATE (2025 September 14)	2025-09-14 12:04:00
21	MPEC 2025-S53 DAILY ORBIT UPDATE (2025 September 17)	2025-09-17 12:13:00
22	MPEC 2025-U04 DAILY ORBIT UPDATE (2025 October 16)	2025-10-16 12:15:00
23	MPEC 2025-U83 DAILY ORBIT UPDATE (2025 October 20)	2025-10-20 12:23:00
24	MPEC 2025-U128 DAILY ORBIT UPDATE (2025 October 21)	2025-10-21 12:39:00
25	MPEC 2025-U157 DAILY ORBIT UPDATE (2025 October 22)	2025-10-22 12:49:00

Objects Observed by This Station (220 total)

Object	Observations	Discoveries	First Obs	Last Obs	Magnitude	MPECs
D7170	137592	0	2025-04-16	2025-04-21	15.8	588
65803	34470	0	2022-11-02	2023-01-15	17.4	383
35107	23256	0	2025-04-02	2025-04-04	16.6	646
01036	16740	0	2024-06-09	2024-08-12	15.1	1395
66251	15808	0	2024-07-14	2024-11-02	17.7	494
05332	15120	0	2025-02-18	2025-03-02	N/A	560
01981	12870	0	2025-03-16	2025-03-16	17.9	330
m4795	10800	0	2025-03-18	2025-04-21	17.6	100
06239	9072	0	2025-01-08	2025-01-31	19.4	252
03200	6798	0	2024-11-01	2024-11-02	17.7	1133
03553	6750	0	2023-07-19	2024-10-28	19.2	375
30825	6624	0	2024-02-26	2024-07-05	20.7	552
03122	5586	0	2025-03-18	2025-03-18	N/A	931
06611	4860	0	2024-12-02	2024-12-02	19.2	324
04183	4753	0	2024-07-06	2024-08-12	16.7	679
03838	4698	0	2023-11-06	2023-11-06	18.6	261
M3456	4635	0	2025-03-23	2025-03-24	21.0	309
01685	4608	0	2024-02-26	2024-03-04	14.7	768
n5615	4515	0	2023-06-26	2024-07-01	19.0	301
04544	3870	0	2024-03-06	2024-03-12	17.9	430
85709	3540	0	2023-09-04	2023-09-05	18.5	708
98943	3465	0	2024-10-31	2024-11-26	16.4	231
02212	3395	0	2024-10-08	2024-11-26	18.2	679
f7264	3349	0	2024-02-26	2024-06-18	19.4	197
f5029	3280	0	2024-07-12	2024-07-14	16.2	328
68350	3198	0	2024-03-04	2024-03-06	18.1	533
J4386	3156	0	2022-12-29	2022-12-30	21.0	263
85989	2772	0	2024-07-06	2024-07-08	18.6	396
52768	2640	0	2024-07-04	2024-07-07	21.4	330
F2787	2376	0	2024-02-26	2024-03-12	17.3	132
K23C03L	2376	0	2023-05-23	2023-05-24	17.9	33
p7681	2300	0	2024-03-04	2024-03-08	19.0	100
01864	2298	0	2024-11-28	2024-11-28	17.5	766
16960	2290	0	2024-07-13	2024-09-09	19.6	458
03691	2241	0	2023-11-06	2023-11-06	17.8	747
16834	2139	0	2025-01-30	2025-01-30	18.0	713
c1677	2124	0	2023-12-25	2024-06-05	18.9	236
21374	2118	0	2024-05-09	2024-05-09	15.2	353
F4278	2007	0	2024-11-03	2024-11-05	18.7	223
08035	1998	0	2023-08-16	2023-09-06	19.1	222
09202	1991	0	2024-07-03	2024-08-01	20.4	181
85628	1974	0	2024-05-03	2024-05-03	18.1	658
05828	1971	0	2024-03-03	2024-11-30	19.8	219
H5706	1962	0	2024-12-29	2024-12-29	15.7	327
Z2143	1782	0	2024-08-05	2024-11-27	19.5	162
c5268	1740	0	2024-07-28	2024-11-29	17.5	174
39796	1735	0	2024-07-01	2024-07-14	17.2	347
03103	1726	0	2024-05-09	2024-05-09	18.1	863
96744	1704	0	2023-08-22	2023-08-26	19.4	284
K23D00M	1656	0	2023-03-09	2023-03-10	17.7	24
21088	1586	0	2024-11-02	2024-11-02	17.3	793
k5402	1512	0	2025-03-16	2025-03-18	17.4	56
00887	1356	0	2024-11-28	2024-11-28	12.7	678
24445	1353	0	2024-06-03	2024-06-03	19.9	451
27031	1288	0	2023-09-04	2023-09-06	17.0	161
06178	1260	0	2024-07-01	2024-07-12	18.6	210
U2523	1260	0	2024-08-12	2024-11-28	20.8	126
E3678	1257	0	2025-04-04	2025-04-04	19.0	419
23183	1200	0	2024-06-04	2024-06-09	18.9	240
04257	1185	0	2024-06-09	2024-06-09	16.4	395
40267	1180	0	2024-07-04	2024-07-04	18.0	590
F4589	1175	0	2024-11-04	2024-11-05	16.6	235
99935	1167	0	2025-01-22	2025-01-22	18.0	389
A3067	1146	0	2025-01-24	2025-01-24	19.3	191
D8971	1146	0	2024-11-02	2024-11-03	17.9	191
31221	1140	0	2024-11-02	2025-02-27	20.0	190
16657	1122	0	2024-11-03	2024-11-03	17.4	187
R5545	1106	0	2024-05-09	2024-07-08	20.0	79
G2273	1059	0	2023-10-25	2023-10-25	18.3	353
j4177	1015	0	2024-10-24	2024-10-31	20.2	145
65679	1002	0	2024-10-26	2024-11-30	19.8	167
U5090	1002	0	2024-11-26	2024-11-30	18.8	167
M6514	972	0	2025-01-01	2025-01-02	18.2	54
q3660	954	0	2024-11-28	2024-11-30	18.4	106
03288	944	0	2024-11-26	2024-11-26	19.0	472
K02P80G	942	0	2023-01-13	2023-01-15	20.6	157
m1032	936	0	2024-07-05	2024-07-08	17.9	117
K24P03N	909	0	2024-11-05	2024-11-08	16.0	101
04034	895	0	2024-07-01	2025-04-16	20.8	179
G3760	895	0	2023-09-04	2023-09-05	19.0	179
G3902	885	0	2024-07-07	2024-07-07	20.4	295
I4990	855	0	2024-05-07	2024-05-07	20.5	285
K24R05Z	846	0	2024-11-26	2024-11-26	16.5	94
K24T08S	840	0	2024-11-30	2024-12-02	18.0	40
A5140	838	0	2024-06-18	2024-06-18	18.1	419
85818	819	0	2023-06-26	2023-06-26	19.5	273
O8818	798	0	2023-08-15	2023-08-16	19.9	133
65733	784	0	2024-07-07	2024-08-13	20.1	196
F9857	774	0	2024-07-01	2024-07-01	20.0	258
G2038	762	0	2024-01-08	2024-01-08	20.0	254
K22C01N	744	0	2025-01-31	2025-01-31	17.9	31
I6822	700	0	2024-07-12	2024-07-12	19.0	350
05751	694	0	2024-11-30	2024-11-30	20.0	347
K18G02J	690	0	2025-03-23	2025-04-02	19.0	46
68548	687	0	2023-09-05	2023-09-05	17.1	229
85953	687	0	2025-03-23	2025-03-23	14.7	229
H0903	680	0	2024-11-26	2024-11-30	19.1	136
q3811	666	0	2023-11-08	2023-11-09	19.3	111
Y7813	657	0	2023-08-27	2023-08-27	19.7	219
G2004	654	0	2024-12-23	2024-12-23	18.1	218
09058	636	0	2024-11-27	2024-11-27	18.8	318
52762	621	0	2023-12-14	2023-12-14	20.2	207
K19U05W	616	0	2023-09-05	2023-09-20	20.1	77
D7126	606	0	2025-02-27	2025-02-27	20.6	101
K3217	582	0	2024-11-04	2024-11-28	19.9	97
Q4993	576	0	2024-03-06	2024-03-11	17.6	48
I7026	573	0	2024-02-09	2024-02-09	19.1	191
E5656	550	0	2024-07-04	2024-07-04	N/A	275
F9399	550	0	2024-07-12	2024-07-12	19.4	275
c7733	546	0	2025-04-20	2025-04-20	17.8	91
d6730	540	0	2023-05-24	2023-05-24	21.3	45
X1963	504	0	2023-09-04	2023-09-05	19.2	84
D8937	501	0	2025-01-06	2025-01-06	18.6	167
z2091	455	0	2024-11-05	2024-11-28	19.8	91
CK22E030	450	0	2023-01-12	2023-01-15	11.7	75
CK24M010	450	0	2024-12-23	2025-01-01	17.8	30
H1819	444	0	2022-12-30	2022-12-30	18.9	148
z4266	440	0	2024-11-26	2024-11-30	18.6	88
02202	438	0	2024-11-05	2024-11-05	18.1	219
10860	435	0	2024-11-26	2024-11-26	18.5	145
c8838	435	0	2023-03-26	2023-03-26	18.9	145
K23L01S	432	0	2023-09-04	2023-09-06	20.1	48
K25B00G	432	0	2025-01-23	2025-01-23	18.6	36
X1471	430	0	2024-07-01	2024-07-01	19.0	215
K14N64U	425	0	2024-10-29	2024-10-31	20.4	85
0333P	420	0	2024-12-08	2024-12-08	N/A	35
K25E04L	420	0	2025-03-18	2025-03-26	22.1	28
29075	418	0	2022-12-30	2022-12-30	19.8	209
K19L05H	408	0	2023-07-05	2023-07-05	16.1	34
K23F06C	408	0	2025-04-16	2025-04-19	19.0	34
m2055	408	0	2024-07-01	2024-07-01	18.0	34
q3967	408	0	2025-01-06	2025-01-08	17.5	34
68031	398	0	2024-07-07	2024-07-07	20.7	199
k8730	396	0	2024-07-06	2024-07-14	20.6	99
z8350	396	0	2025-03-12	2025-03-16	N/A	66
G2913	384	0	2024-07-03	2024-07-03	20.8	128
K23Q04H	378	0	2023-09-11	2023-09-15	20.6	63
31346	370	0	2024-07-04	2024-07-04	17.4	185
i5267	360	0	2024-07-07	2024-07-09	19.9	72
R1480	348	0	2024-06-04	2024-06-04	20.9	174
F5340	334	0	2024-07-04	2024-07-04	19.3	167
K11E11L	333	0	2025-01-29	2025-01-31	17.6	37
H4050	328	0	2024-07-02	2024-07-02	20.2	164
~001e	324	0	2023-08-15	2023-08-21	20.7	36
D8155	322	0	2023-09-06	2023-09-06	19.2	161
q4516	322	0	2024-03-04	2024-03-11	20.3	23
n5858	315	0	2024-11-01	2024-11-01	19.3	105
53430	314	0	2023-06-20	2023-06-20	20.5	157
F9454	314	0	2024-07-13	2024-07-13	20.1	157
20429	312	0	2023-11-06	2023-11-06	21.5	104
F4453	306	0	2024-05-03	2024-05-03	20.0	102
CK22E020	300	0	2024-12-05	2024-12-05	15.1	100
K23H02Q	300	0	2023-06-15	2023-06-15	18.9	100
L5442	294	0	2023-06-21	2023-06-21	18.4	98
m3547	291	0	2024-11-27	2024-11-27	18.8	97
34613	288	0	2023-02-15	2023-02-15	19.1	288
K12F62N	284	0	2024-07-02	2024-07-02	17.3	142
K24E00A	264	0	2024-03-07	2024-03-11	18.9	22
a3305	260	0	2024-07-07	2024-11-29	19.1	65
18106	255	0	2023-11-06	2023-11-06	19.0	85
K08W59B	255	0	2024-11-26	2024-11-26	19.1	85
z2199	252	0	2024-12-25	2024-12-25	18.9	42
l5354	240	0	2025-03-02	2025-03-02	19.0	40
l0510	234	0	2023-11-06	2023-11-06	19.8	78
K14R13B	222	0	2024-11-07	2024-11-07	16.8	74
K24K00R	216	0	2024-06-05	2024-06-05	18.4	24
K15B92D	210	0	2025-01-22	2025-01-22	18.9	35
K24U03Y	210	0	2024-10-31	2024-10-31	19.7	35
o6779	208	0	2024-06-05	2024-06-05	20.4	104
~0hmF	180	0	2025-01-29	2025-01-31	18.0	12
D7671	176	0	2023-12-25	2023-12-25	18.5	88
F9856	166	0	2023-07-19	2023-07-19	19.2	83
K2411	156	0	2024-07-08	2024-07-08	20.2	78
R7617	150	0	2023-10-25	2023-10-25	20.6	50
K23U09N	147	0	2024-11-28	2024-11-28	18.6	49
b7097	144	0	2024-12-23	2024-12-23	16.9	48
h0804	141	0	2024-01-24	2024-01-24	16.7	47
K24W20C	135	0	2025-01-29	2025-01-29	18.2	45
~0EVx	132	0	2024-07-04	2024-07-04	18.6	44
G2472	128	0	2024-07-08	2024-07-08	20.2	64
K25E04F	126	0	2025-03-17	2025-03-17	17.2	21
U3933	124	0	2023-11-08	2023-11-08	20.5	62
K25B02U	123	0	2025-03-02	2025-03-02	19.0	41
K05E30O	117	0	2024-03-03	2024-03-06	18.9	13
V8450	111	0	2023-10-25	2023-10-25	20.3	37
K16F14K	99	0	2025-03-26	2025-04-04	19.4	11
o1934	99	0	2024-11-04	2024-11-04	19.6	33
G2452	96	0	2024-07-03	2024-07-03	20.4	48
K24D01A	96	0	2024-03-06	2024-03-06	19.1	16
K01L00D	90	0	2023-06-14	2023-06-14	17.3	30
CK24G040	88	0	2025-07-20	2025-07-23	19.0	22
K06O09T	86	0	2024-10-29	2024-10-29	20.2	43
X7119	82	0	2023-09-11	2023-09-11	20.2	41
w5310	81	0	2024-07-09	2024-07-09	17.9	27
K24W00B	75	0	2024-12-02	2024-12-02	16.7	25
K25F10O	72	0	2025-03-26	2025-03-26	18.7	24
k9445	66	0	2024-06-24	2024-06-24	17.3	22
~0DHo	66	0	2024-10-24	2024-10-24	19.5	22
a7638	62	0	2024-11-26	2024-11-26	20.0	31
K20M02P	60	0	2023-07-22	2023-07-22	19.2	20
z2800	57	0	2023-11-06	2023-11-06	20.2	19
K23O05X	48	0	2023-09-15	2023-09-15	21.2	16
K25F00A	48	0	2025-03-24	2025-03-24	18.4	16
K25E03V	45	0	2025-03-09	2025-03-09	18.1	5
K24D01W	39	0	2024-03-03	2024-03-03	18.3	13
K25C02U	30	0	2025-02-24	2025-02-24	19.5	10
0003I	25	0	2025-05-21	2025-05-21	12.7	25
K06M06S	21	0	2023-05-24	2023-05-24	19.5	21
~0iEy	16	0	2024-07-08	2024-07-08	20.6	8
~0ek5	15	0	2024-02-26	2024-03-12	17.6	1
~0li5	12	0	2025-01-27	2025-01-29	16.9	1
~0rzy	10	0	2023-01-15	2023-01-15	20.8	1
~0jV2	9	0	2025-04-19	2025-04-19	18.7	3
~0j57	8	0	2024-10-23	2024-11-04	19.6	1
~0Zde	3	0	2024-07-06	2024-07-06	17.8	1
~0fK8	3	0	2024-07-13	2024-07-13	17.1	1
~0ils	3	0	2023-11-06	2023-11-06	20.2	1
~0kq8	3	0	2025-02-27	2025-02-27	17.9	1
~0FYI	2	0	2023-09-06	2023-09-06	19.9	1
~0Ycl	2	0	2023-09-11	2023-09-11	18.3	1

List of Observers

Observer Group	Total MPECs
Unknown	22
L.Auto	3

Individual Observer	Total MPECs
Unknown	22
L.Auto	3

List of Measurers

Measurer Group	Total MPECs
Unknown	22
E.Ofek, L.Pipeline	3

Individual Measurer	Total MPECs
Unknown	22
E.Ofek	3
L.Pipeline	3

List of Facilities

Facilities	Count
0.28-m Rowe-Ackerman Schmidt + CCD	3
Unknown	22