Rotation Period in 2022-23 Apparition(SEJ28)

Object	SEBs retrograding spot	ID	SEJ28

Period		Data Count	32
Rotation Period	9h58m14.7s±1.5s	Refernce Date	2022/09/26
Drift Rate (deg./day)	+3.735±0.036	Refernce Longitude	117.0±1.3
Limiting Date	2022/12/20－2023/03/04	Latitude	-20.5±0.8
Limiting Longitude	74.8－348.0	Wind Velocity (m/sec)	-53.9±0.5

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2022/12/20	10:41	75.6	2	C	D SPOT	SEB-S	-18.9	Kumamori, Teruaki	76.1	-0.5
2	2022/12/20	12:09	74.8	2	C	D SPOT	SEB-S	-18.3	Miyazaki, Isao	76.3	-1.5
3	2022/12/25	10:42	94.1	2	C	D PROJ	SEB-S	-18.9	Suzuki, Kunihiko	94.8	-0.7
4	2022/12/26	07:45	97.9	2	C	D PROJ	SEB-S	-20.4	Suzuki, Kunihiko	98.1	-0.2
5	2022/12/28	09:02	104.9	2	C	D SPOT	SEB-S	-19.7	Miyazaki, Isao	105.7	-0.8
6	2023/01/02	08:49	125.5	2	C	D SPOT	SEB-S	-19.6	Ito, Satoshi	124.4	+1.1
7	2023/01/04	10:06	131.7	2	C	D SPOT	SEB-S	-20.3	Miyazaki, Isao	132.1	-0.4
8	2023/01/09	10:20	151.1	2	C	D PROJ	SEB-S	-20.1	Suzuki, Kunihiko	150.8	+0.3
9	2023/01/11	11:52	159.2	2	C	D PROJ	SEB-S	-20.8	Miyazaki, Isao	158.5	+0.7
10	2023/01/12	08:17	161.9	2	C	D PROJ	SEB-S	-20.7	Suzuki, Kunihiko	161.7	+0.2
11	2023/01/12	09:23	161.5	2	C	D SPOT	SEB-S	-20.7	Miyazaki, Isao	161.8	-0.3
12	2023/01/12	18:47	163.3	2	C	D PROJ	SEB-S	-20.5	Foster, Clyde	163.3	0.0
13	2023/01/14	10:06	169.5	2	C	D SPOT	SEB-S	-20.0	Miyazaki, Isao	169.4	+0.1
14	2023/01/19	09:10	188.0	2	C	D SPOT	SEB-S	-20.4	Miyazaki, Isao	187.9	+0.1
15	2023/01/21	10:56	196.4	2	C	D PROJ	SEB-S	-20.9	Miyazaki, Isao	195.7	+0.7
16	2023/01/29	08:13	223.4	2	C	D PROJ	SEB-S	-21.6	Ito, Satoshi	225.1	-1.7
17	2023/01/29	09:12	224.8	2	C	D PROJ	SEB-S	-21.8	Kumamori, Teruaki	225.3	-0.5
18	2023/01/29	10:23	225.5	2	C	D PROJ	SEB-S	-21.2	Miyazaki, Isao	225.5	0.0
19	2023/01/31	10:18	233.5	2	C	D SPOT	SEB-S	-19.9	Miyazaki, Isao	232.9	+0.6
20	2023/02/01	18:04	236.8	2	C	D PROJ	SEB-S	-21.2	Foster, Clyde	237.9	-1.1
21	2023/02/01	08:13	239.0	2	C	D PROJ	SEB-S	-20.3	Suzuki, Kunihiko	236.3	+2.7
22	2023/02/07	11:17	260.9	2	C	D PROJ	SEB-S	-20.1	Miyazaki, Isao	259.2	+1.7
23	2023/02/08	09:15	263.8	2	C	D PROJ	SEB-S	-21.0	Miyazaki, Isao	262.7	+1.1
24	2023/02/08	17:56	264.7	2	C	D PROJ	SEB-S	-20.3	Foster, Clyde	264.0	+0.7
25	2023/02/10	10:08	272.2	2	C	D PROJ	SEB-S	-20.8	Miyazaki, Isao	270.3	+1.9
26	2023/02/13	17:24	282.0	2	C	D PROJ	SEB-S	-20.2	Foster, Clyde	282.6	-0.6
27	2023/02/15	09:30	289.3	2	C	D PROJ	SEB-S	-21.1	Ito, Satoshi	288.8	+0.5
28	2023/02/17	10:34	298.5	2	C	D PROJ	SEB-S	-21.1	Miyazaki, Isao	296.5	+2.0
29	2023/02/18	08:38	300.6	2	C	D PROJ	SEB-S	-21.4	Suzuki, Kunihiko	299.9	+0.7
30	2023/02/18	17:30	300.1	2	C	D PROJ	SEB-S	-20.4	Foster, Clyde	301.3	-1.2
31	2023/02/23	08:48	317.3	2	C	D PROJ	SEB-S	-21.1	Ito, Satoshi	318.6	-1.3
32	2023/03/04	09:41	348.0	2	C	D PROJ	SEB-S	-21.3	Miyazaki, Isao	352.4	-4.4