Rotation Period in 2019 Apparition(SEJ17)

Object	SEBs jetstream ring	ID	SEJ17

Period	p1	Data Count	17
Rotation Period	9h58m14.6s±2.9s	Refernce Date	2019/06/10
Drift Rate (deg./day)	+3.733±0.072	Refernce Longitude	268.1±1.3
Limiting Date	2019/04/03－2019/05/08	Latitude	-20.8±0.7
Limiting Longitude	19.1－148.1	Wind Velocity (m/sec)	-53.7±1.0

Period	p2	Data Count	13
Rotation Period	9h57m48.9s±4.3s	Refernce Date	2019/06/10
Drift Rate (deg./day)	+3.113±0.106	Refernce Longitude	251.6±1.2
Limiting Date	2019/05/11－2019/06/03	Latitude	-21.0±0.5
Limiting Longitude	160.0－229.7	Wind Velocity (m/sec)	-45.3±1.4

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2019/04/03	20:29	19.1	2	C	D PROJ	SEB-S	-22.0	Kumamori, Teruaki	17.5	+1.6
2	2019/04/04	18:18	21.0	2	C	D PROJ	SEB-S	-20.8	Wesley, Anthony	20.8	+0.2
3	2019/04/06	18:00	28.9	2	C	D SPOT	SEB-S	-20.5	Wesley, Anthony	28.3	+0.6
4	2019/04/06	20:17	28.5	2	C	D SPOT	SEB-S	-20.8	Kumamori, Teruaki	28.6	-0.1
5	2019/04/09	17:54	39.6	2	C	D PROJ	SEB-S	-21.3	Wesley, Anthony	39.4	+0.2
6	2019/04/12	04:41	48.4	2	C	D SPOT	SEB-S	-19.7	Pellier, Christophe	48.6	-0.2
7	2019/04/13	00:25	52.5	2	C	D SPOT	SEB-S	-20.7	Foster, Clyde	51.7	+0.8
8	2019/04/16	18:58	65.3	2	C	D SPOT	SEB-S	-19.2	Akutsu, Tomio	65.7	-0.4
9	2019/04/16	17:33	65.3	2	C	D PROJ	SEB-S	-20.9	Kumamori, Teruaki	65.5	-0.2
10	2019/04/18	11:22	70.5	2	C	D PROJ	SEB-S	-21.4	Maxson, Paul	72.0	-1.5
11	2019/04/18	19:32	72.7	2	C	D SPOT	SEB-S	-20.5	Go, Christopher	73.3	-0.6
12	2019/04/24	05:00	90.4	2	C	D SPOT	SEB-S	-19.8	Carvalho, Fabio	93.4	-3.0
13	2019/04/26	18:11	101.6	2	C	D PROJ	SEB-S	-21.0	Miyazaki, Isao	103.0	-1.4
14	2019/05/03	17:54	130.9	2	C	D PROJ	SEB-S	-21.9	Kumamori, Teruaki	129.0	+1.9
15	2019/05/03	19:17	130.2	2	C	D PROJ	SEB-S	-21.0	Miyazaki, Isao	129.3	+0.9
16	2019/05/04	16:22	133.6	2	C	D PROJ	SEB-S	-21.3	Suzuki, Kunihiko	132.5	+1.1
17	2019/05/08	18:50	148.1	2	C	D SPOT	SEB-S	-20.4	Go, Christopher	147.9	+0.2
18	2019/05/11	15:59	160.0	2	C	D PROJ	SEB-S	-21.5	Kumamori, Teruaki	160.2	-0.2
19	2019/05/13	18:16	164.8	2	C	D SPOT	SEB-S	-20.9	Go, Christopher	166.8	-2.0
20	2019/05/16	16:46	176.1	2	C	D SPOT	SEB-S	-20.0	Suzuki, Kunihiko	175.9	+0.2
21	2019/05/18	17:28	183.0	2	C	D SPOT	SEB-S	-20.4	Miyazaki, Isao	182.2	+0.8
22	2019/05/19	14:10	185.2	2	C	D PROJ	SEB-S	-21.1	Suzuki, Kunihiko	184.9	+0.3
23	2019/05/21	15:59	192.2	2	C	D PROJ	SEB-S	-21.5	Kumamori, Teruaki	191.4	+0.8
24	2019/05/21	16:59	190.7	2	C	D SPOT	SEB-S	-20.6	Miyazaki, Isao	191.5	-0.8
25	2019/05/23	17:31	198.1	2	C	D PROJ	SEB-S	-20.6	Suzuki, Kunihiko	197.8	+0.3
26	2019/05/24	14:13	202.1	2	C	D PROJ	SEB-S	-21.6	Miyazaki, Isao	200.5	+1.6
27	2019/05/26	15:03	206.7	2	C	D SPOT	SEB-S	-20.9	Kumamori, Teruaki	206.8	-0.1
28	2019/05/30	08:28	220.2	2	C	D PROJ	SEB-S	-21.7	Maxson, Paul	218.4	+1.8
29	2019/06/02	06:38	226.6	2	C	D SPOT	SEB-S	-20.8	Lamy, George	227.5	-0.9
30	2019/06/03	13:38	229.7	2	C	D PROJ	SEB-S	-21.1	Hirabayashi, Isamu	231.5	-1.8