Rotation Period in 2012-13 Apparition(STRD8)

Object	SEBs dark spot	ID	STRD8

Period	p1	Data Count	25
Rotation Period	9h56m55.3s±2.0s	Refernce Date	2012/12/03
Drift Rate (deg./day)	+1.814±0.049	Refernce Longitude	91.4±1.4
Limiting Date	2012/10/26－2012/12/24	Latitude	-21.8±0.7
Limiting Longitude	25.1－130.1	Wind Velocity (m/sec)	-27.7±0.7

Period	p2	Data Count	18
Rotation Period	9h56m29.2s±2.5s	Refernce Date	2012/12/03
Drift Rate (deg./day)	+1.182±0.061	Refernce Longitude	102.5±1.1
Limiting Date	2012/12/31－2013/02/06	Latitude	-22.5±0.6
Limiting Longitude	137.1－178.3	Wind Velocity (m/sec)	-19.2±0.8

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2012/10/26	16:25	25.1	2	C	D SPOT	SEB-S	-20.7	Miyazaki, Isao	23.7	+1.4
2	2012/10/31	15:44	33.6	2	C	D PROJ	SEB-S	-22.4	Akutsu, Tomio	32.7	+0.9
3	2012/10/31	15:02	31.6	2	C	D PROJ	SEB-S		Horikawa, Kuniaki	32.6	-1.0
4	2012/11/02	17:31	36.4	2	C	D SPOT	SEB-S	-21.4	Akutsu, Tomio	36.5	-0.1
5	2012/11/05	14:56	41.4	2	C	D SPOT	SEB-S	-21.7	Akutsu, Tomio	41.7	-0.3
6	2012/11/07	16:45	46.4	2	C	D SPOT	SEB-S	-21.3	Akutsu, Tomio	45.5	+0.9
7	2012/11/07	15:23	46.5	2	C	D SPOT	SEB-S	-22.1	Kumamori, Teruaki	45.4	+1.1
8	2012/11/09	18:31	48.7	2	C	D SPOT	SEB-S	-21.7	Akutsu, Tomio	49.2	-0.5
9	2012/11/10	14:38	50.1	2	C	D SPOT	SEB-S	-22.0	Akutsu, Tomio	50.7	-0.6
10	2012/11/12	16:33	53.9	2	C	D SPOT	SEB-S	-20.9	Kozawa, Tokujiro	54.5	-0.6
11	2012/11/14	16:47	55.8	2	C	D SPOT	STRZ	-22.6	Akutsu, Tomio	58.2	-2.4
12	2012/11/17	14:57	61.4	2	C	D SPOT	SEB-S	-21.0	Akutsu, Tomio	63.5	-2.1
13	2012/11/20	13:34	66.1	2	C	D PROJ	SEB-S	-21.3	Miyazaki, Isao	68.8	-2.7
14	2012/11/22	13:51	72.3	2	C	D PROJ	SEB-S	-22.0	Akutsu, Tomio	72.5	-0.2
15	2012/11/24	15:11	77.6	2	C	D SPOT	SEB-S	-21.1	Akutsu, Tomio	76.2	+1.4
16	2012/11/27	13:41	83.7	2	C	D SPOT	SEB-S	-21.5	Kumamori, Teruaki	81.5	+2.2
17	2012/11/29	15:22	86.1	2	C	D SPOT	SEB-S	-21.5	Iwamasa, Ryuichi	85.3	+0.8
18	2012/12/07	13:29	100.9	2	C	D PROJ	SEB-S	-22.5	Yoshida, Tomoyuki	99.6	+1.3
19	2012/12/09	13:30	104.0	2	C	D SPOT	SEB-S	-22.0	Go, Christopher	103.3	+0.7
20	2012/12/09	14:10	105.9	2	C	D PROJ	SEB-S		Horikawa, Kuniaki	103.3	+2.6
21	2012/12/12	11:41	108.7	2	C	D PROJ	SEB-S	-23.4	Kozawa, Tokujiro	108.6	+0.1
22	2012/12/13	16:52	111.3	2	C	D PROJ	SEB-S	-21.8	Einaga, Hideo	110.8	+0.5
23	2012/12/19	13:20	120.7	2	C	D SPOT	SEB-S	-22.9	Ota, Satoshi	121.4	-0.7
24	2012/12/21	14:06	122.6	2	C	D SPOT	SEB-S	-22.2	Miyazaki, Isao	125.1	-2.5
25	2012/12/24	13:01	130.1	2	C	D PROJ	SEB-S	-22.5	Yoshida, Tomoyuki	130.5	-0.4
26	2012/12/31	13:43	137.4	2	C	D SPOT	SEB-S	-22.0	Einaga, Hideo	136.3	+1.1
27	2013/01/01	09:20	137.1	2	C	D SPOT	SEB-S	-22.4	Yoshida, Tomoyuki	137.3	-0.2
28	2013/01/03	11:38	140.4	2	C	D PROJ	SEB-S	-22.7	Einaga, Hideo	139.7	+0.7
29	2013/01/05	12:06	141.2	2	C	D SPOT	SEB-S	-22.5	Yoshida, Tomoyuki	142.1	-0.9
30	2013/01/05	12:49	141.5	2	C	D SPOT	SEB-S	-22.5	Go, Christopher	142.1	-0.6
31	2013/01/07	12:53	144.8	2	C	D PROJ	SEB-S	-22.2	Einaga, Hideo	144.5	+0.3
32	2013/01/08	10:15	144.3	2	C	D SPOT	STRZ	-23.5	Kumamori, Teruaki	145.6	-1.3
33	2013/01/08	11:24	144.1	2	C	D PROJ	SEB-S	-23.4	Einaga, Hideo	145.6	-1.5
34	2013/01/12	13:04	150.1	2	C	D PROJ	SEB-S	-22.1	Einaga, Hideo	150.4	-0.3
35	2013/01/15	11:47	155.0	2	C	D PROJ	SEB-S	-23.0	Einaga, Hideo	153.9	+1.1
36	2013/01/17	12:41	156.3	2	C	D PROJ	SEB-S	-22.3	Einaga, Hideo	156.3	0.0
37	2013/01/18	09:42	159.3	2	C	D SPOT	SEB-S	-22.0	Kumamori, Teruaki	157.4	+1.9
38	2013/01/22	11:38	163.4	2	C	D PROJ	SEB-S	-23.3	Einaga, Hideo	162.2	+1.2
39	2013/01/25	09:28	164.0	2	C	D PROJ	SEB-S	-23.3	Kumamori, Teruaki	165.6	-1.6
40	2013/01/27	10:33	168.0	2	C	D SPOT	SEB-S	-22.3	Iwamasa, Ryuichi	168.0	0.0
41	2013/01/29	12:37	171.7	2	C	D SPOT	SEB-S	-22.1	Yoshida, Tomoyuki	170.5	+1.2
42	2013/01/30	10:09	172.1	2	C	D SPOT	STRZ	-22.1	Einaga, Hideo	171.6	+0.5
43	2013/02/06	10:31	178.3	2	C	D COL	STRZ	-21.0	Einaga, Hideo	179.8	-1.5