Q10 Toyokawa 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	30	0	0	0	6	0	0	0	24	0
2024	15	0	0	1	5	0	0	0	8	1
2023	23	0	0	1	22	0	0	0	0	0
2022	2	0	0	0	2	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 2022-X34 DAILY ORBIT UPDATE (2022 December 2)	2022-12-02 12:05:00
2	MPEC 2022-Y61 DAILY ORBIT UPDATE (2022 December 20)	2022-12-20 12:18:00
3	MPEC 2023-C92 DAILY ORBIT UPDATE (2023 February 12)	2023-02-12 12:10:00
4	MPEC 2023-D17 DAILY ORBIT UPDATE (2023 February 18)	2023-02-18 12:03:00
5	MPEC 2023-D21 DAILY ORBIT UPDATE (2023 February 19)	2023-02-19 12:03:00
6	MPEC 2023-D42 DAILY ORBIT UPDATE (2023 February 22)	2023-02-22 12:21:00
7	MPEC 2023-D68 DAILY ORBIT UPDATE (2023 February 27)	2023-02-27 12:28:00
8	MPEC 2023-E34 DAILY ORBIT UPDATE (2023 March 3)	2023-03-03 12:36:00
9	MPEC 2023-E39 DAILY ORBIT UPDATE (2023 March 4)	2023-03-04 12:40:00
10	MPEC 2023-E50 DAILY ORBIT UPDATE (2023 March 7)	2023-03-07 13:01:00
11	MPEC 2023-F116 DAILY ORBIT UPDATE (2023 March 23)	2023-03-23 12:46:00
12	MPEC 2023-K125 DAILY ORBIT UPDATE (2023 May 24)	2023-05-24 13:08:00
13	MPEC 2023-L34 DAILY ORBIT UPDATE (2023 June 8)	2023-06-08 12:07:00
14	MPEC 2023-M24 DAILY ORBIT UPDATE (2023 June 17)	2023-06-17 12:32:00
15	MPEC 2023-N10 DAILY ORBIT UPDATE (2023 July 3)	2023-07-03 12:01:00
16	MPEC 2023-O39 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS	2023-07-20 07:10:00			Comet	CATCH
17	MPEC 2023-P22 DAILY ORBIT UPDATE (2023 August 6)	2023-08-06 12:02:00
18	MPEC 2023-S235 DAILY ORBIT UPDATE (2023 September 27)	2023-09-27 12:28:00
19	MPEC 2023-T44 DAILY ORBIT UPDATE (2023 October 6)	2023-10-06 13:06:00
20	MPEC 2023-U194 DAILY ORBIT UPDATE (2023 October 22)	2023-10-22 12:08:00
21	MPEC 2023-U265 DAILY ORBIT UPDATE (2023 October 26)	2023-10-26 12:13:00
22	MPEC 2023-U277 DAILY ORBIT UPDATE (2023 October 29)	2023-10-29 12:18:00
23	MPEC 2023-V115 DAILY ORBIT UPDATE (2023 November 8)	2023-11-08 12:13:00
24	MPEC 2023-Y75 DAILY ORBIT UPDATE (2023 December 22)	2023-12-22 12:05:00
25	MPEC 2023-Y99 DAILY ORBIT UPDATE (2023 December 29)	2023-12-29 12:07:00
26	MPEC 2024-A48 DAILY ORBIT UPDATE (2024 January 5)	2024-01-05 12:25:00
27	MPEC 2024-A94 2019 PJ	2024-01-09 15:46:00			NEA (H>22)	CATCH
28	MPEC 2024-B154 DAILY ORBIT UPDATE (2024 January 30)	2024-01-30 12:02:00
29	MPEC 2024-C74 DAILY ORBIT UPDATE (2024 February 7)	2024-02-07 12:13:00
30	MPEC 2024-S32 DAILY ORBIT UPDATE (2024 September 22)	2024-09-22 12:08:00
31	MPEC 2024-T266 2024 TZ11	2024-10-12 13:31:00			NEA (H>22)	CATCH
32	MPEC 2024-T308 2024 TM20	2024-10-15 11:52:00			NEA (H>22)	CATCH
33	MPEC 2024-T309 2024 TN20	2024-10-15 11:53:00			NEA (H>22)	CATCH
34	MPEC 2024-V111 2024 VB2	2024-11-09 17:45:00			NEA (H>22)	CATCH
35	MPEC 2024-V169 2024 VX3	2024-11-12 22:15:00			NEA (H>22)	CATCH
36	MPEC 2024-W15 2024 WB	2024-11-19 13:06:00			PHAg18	CATCH
37	MPEC 2024-W43 2024 WL	2024-11-21 17:54:00			PHAg18	CATCH
38	MPEC 2024-W185 2024 WJ11	2024-11-30 00:54:00		✓	NEA (H>22)	CATCH
39	MPEC 2024-X61 DAILY ORBIT UPDATE (2024 December 3)	2024-12-03 12:30:00
40	MPEC 2025-B03 2025 BA	2025-01-17 13:10:00			NEA (H>22)	CATCH
41	MPEC 2025-B07 2025 BB	2025-01-17 23:44:00			NEA (18>H>22)	CATCH
42	MPEC 2025-C168 2025 CH4	2025-02-14 11:58:00			PHAg18	CATCH
43	MPEC 2025-D13 2025 DE	2025-02-18 13:33:00			NEA (H>22)	CATCH
44	MPEC 2025-D14 2025 DF	2025-02-18 13:35:00			NEA (H>22)	CATCH
45	MPEC 2025-D50 2025 DE1	2025-02-21 14:26:00			NEA (H>22)	CATCH
46	MPEC 2025-D131 2025 DP4	2025-02-23 22:00:00			NEA (H>22)	CATCH
47	MPEC 2025-D163 DAILY ORBIT UPDATE (2025 February 25)	2025-02-25 12:22:00
48	MPEC 2025-F05 2025 FA	2025-03-17 15:06:00			PHAg18	CATCH
49	MPEC 2025-F17 2025 FE	2025-03-19 22:20:00			NEA (H>22)	CATCH
50	MPEC 2025-F60 2025 FY1	2025-03-23 01:10:00			NEA (H>22)	CATCH
51	MPEC 2025-G92 2025 GW	2025-04-08 02:15:00			NEA (H>22)	CATCH
52	MPEC 2025-H04 2025 GQ1	2025-04-16 13:29:00			NEA (H>22)	CATCH
53	MPEC 2025-J89 DAILY ORBIT UPDATE (2025 May 14)	2025-05-14 12:23:00
54	MPEC 2025-L32 2025 LD	2025-06-04 20:44:00			NEA (H>22)	CATCH
55	MPEC 2025-L35 DAILY ORBIT UPDATE (2025 June 5)	2025-06-05 12:30:00
56	MPEC 2025-O24 DAILY ORBIT UPDATE (2025 July 19)	2025-07-19 12:05:00
57	MPEC 2025-O88 DAILY ORBIT UPDATE (2025 July 26)	2025-07-26 12:17:00
58	MPEC 2025-Q250 2025 QB13	2025-08-30 18:31:00			NEA (H>22)	CATCH
59	MPEC 2025-Q272 2025 QE16	2025-08-31 06:30:00			NEA (H>22)	CATCH
60	MPEC 2025-R05 2025 QB21	2025-09-01 18:38:00			NEA (H>22)	CATCH
61	MPEC 2025-R75 2025 RW1	2025-09-11 13:56:00			NEA (H>22)	CATCH
62	MPEC 2025-R86 2025 RD2	2025-09-14 22:43:00			NEA (H>22)	CATCH
63	MPEC 2025-S171 DAILY ORBIT UPDATE (2025 September 22)	2025-09-22 12:21:00
64	MPEC 2025-S281 2025 SN20	2025-09-29 23:50:00			NEA (H>22)	CATCH
65	MPEC 2025-T17 2025 TA	2025-10-01 14:26:00			NEA (H>22)	CATCH
66	MPEC 2025-T151 2025 TO5	2025-10-14 06:27:00			NEA (H>22)	CATCH
67	MPEC 2025-T153 2025 TQ5	2025-10-14 06:30:00			NEA (H>22)	CATCH
68	MPEC 2025-U50 2025 UP	2025-10-18 21:24:00			NEA (H>22)	CATCH
69	MPEC 2025-U180 2025 UA5	2025-10-23 23:03:00			NEA (H>22)	CATCH

Objects Observed by This Station (66 total)

Object	Observations	Discoveries	First Obs	Last Obs	Magnitude	MPECs
98943	1848	0	2023-02-08	2023-02-16	16.4	231
F4244	1107	0	2023-06-16	2023-06-16	22.5	369
r5844	1100	0	2023-02-28	2025-02-20	21.1	110
G4121	840	0	2023-11-07	2023-11-07	18.4	280
37638	704	0	2023-02-17	2023-02-25	16.4	88
K20D05B	654	0	2023-05-23	2023-06-07	14.5	109
K25T00A	480	0	2025-10-01	2025-10-01	N/A	8
06037	390	0	2023-08-05	2023-08-05	19.3	130
Y1843	366	0	2023-12-21	2023-12-28	21.3	61
Y9507	360	0	2023-10-05	2023-10-05	14.8	120
g4482	324	0	2025-06-04	2025-06-04	18.7	108
K23S01P	260	0	2024-02-06	2024-02-06	21.5	65
K05L03W	204	0	2022-11-25	2022-11-26	13.7	34
i7755	189	0	2024-12-02	2024-12-02	17.4	63
k7336	183	0	2023-06-16	2023-06-16	19.1	61
K15R35N	180	0	2022-12-19	2022-12-19	14.4	60
CK23A030	172	0	2023-07-06	2023-07-06	18.4	86
K20X00R	171	0	2024-12-02	2024-12-02	17.9	57
K02A01Y	160	0	2024-01-04	2024-01-04	16.7	40
K08O07S	159	0	2024-01-29	2024-01-29	18.2	53
K23H06O	150	0	2023-07-02	2023-07-02	N/A	75
z2356	117	0	2025-05-13	2025-05-13	15.1	39
K25F22A	110	0	2025-09-21	2025-09-21	18.9	55
m8453	105	0	2023-06-07	2023-06-07	22.1	35
U2169	93	0	2023-10-28	2023-10-28	21.2	31
J98H49H	81	0	2023-10-21	2023-10-21	21.3	27
K21S04Z	78	0	2023-10-25	2023-10-25	18.7	26
K24W00B	75	0	2024-11-18	2024-11-18	16.7	25
K25T05O	75	0	2025-10-13	2025-10-13	21.1	5
K25B00B	63	0	2025-01-17	2025-01-17	21.8	21
K23C00M	60	0	2023-03-06	2023-03-06	22.8	30
q5229	60	0	2023-10-28	2023-10-28	18.8	20
K25D01E	57	0	2025-02-21	2025-02-21	20.4	19
K24S00A	54	0	2024-09-20	2024-09-20	16.3	18
K25D00E	51	0	2025-02-18	2025-02-18	22.1	17
K25F00A	48	0	2025-03-17	2025-03-17	18.4	16
K19P00J	45	0	2024-01-09	2024-01-09	22.2	15
K25Q16E	45	0	2025-08-30	2025-08-30	22.3	15
K25T05Q	45	0	2025-10-13	2025-10-13	17.8	3
K25U00P	45	0	2025-10-17	2025-10-17	18.5	3
K23D02Z	42	0	2023-03-22	2023-03-22	16.0	21
K25C04H	33	0	2025-02-13	2025-02-13	20.2	11
K25O00W	33	0	2025-07-25	2025-07-25	19.8	11
K25Q21B	30	0	2025-09-01	2025-09-01	16.0	10
K25O00J	27	0	2025-07-18	2025-07-18	N/A	9
K23S03P	21	0	2023-09-24	2023-09-24	15.1	7
K24T11Z	18	0	2024-10-11	2024-10-11	22.3	6
K25D04P	16	0	2025-02-23	2025-02-23	19.6	8
K24W00L	15	0	2024-11-21	2024-11-21	17.4	5
K25G00W	15	0	2025-04-07	2025-04-07	19.9	5
K25G01Q	15	0	2025-04-15	2025-04-15	18.3	5
K25L00D	15	0	2025-06-04	2025-06-04	16.8	5
K25R02D	15	0	2025-09-14	2025-09-14	18.1	5
K24W11J	12	0	2024-11-29	2024-11-29	18.2	4
K25D00F	12	0	2025-02-17	2025-02-17	18.4	4
K25F00E	12	0	2025-03-19	2025-03-19	18.8	4
K25B00A	10	0	2025-01-16	2025-01-16	18.1	5
K25R01W	10	0	2025-09-11	2025-09-11	21.1	5
K24V02B	9	0	2024-11-08	2024-11-08	19.0	3
K25S20N	8	0	2025-09-29	2025-09-29	20.9	4
K24T20M	6	0	2024-10-14	2024-10-14	14.6	2
K24T20N	6	0	2024-10-14	2024-10-14	19.5	2
K24V03X	6	0	2024-11-12	2024-11-12	14.6	2
K25F01Y	6	0	2025-03-22	2025-03-22	18.7	3
K25Q13B	6	0	2025-08-30	2025-08-30	18.1	3
K25U05A	3	0	2025-10-23	2025-10-23	18.7	1

List of Observers

Observer Group	Total MPECs
Unknown	35
M.Ishiguro	34

Individual Observer	Total MPECs
Unknown	35
M.Ishiguro	34

List of Measurers

Measurer Group	Total MPECs
Unknown	69

Individual Measurer	Total MPECs
Unknown	69

List of Facilities

Facilities	Count
0.2-m f/4.0 0.2-mf/4.0 reflector+cmo + CMO	1
0.2-m f/4.0 Reflector + CMO	1
0.20-m f/5 reflector + CCD	20
0.25-m f/3.0 reflector + CMO	12
Unknown	35