Rotation Period in 2021-22 Apparition(STJ3)

Object	STBn jetstream spot	ID	STJ3

Period	p1	Data Count	11
Rotation Period	9h54m00.3s±2.7s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-2.449±0.066	Refernce Longitude	141.0±1.3
Limiting Date	2021/03/13－2021/04/20	Latitude	-26.2±1.2
Limiting Longitude	172.5－78.3	Wind Velocity (m/sec)	+28.0±0.9

Period	p2	Data Count	16
Rotation Period	9h54m49.0s±7.8s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-1.259±0.190	Refernce Longitude	284.3±3.4
Limiting Date	2021/04/22－2021/05/28	Latitude	-23.5±0.7
Limiting Longitude	76.3－35.3	Wind Velocity (m/sec)	+13.1±2.5

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2021/03/13	03:36	172.5	2	C	D SPOT	STB-N	-27.6	Foster, Clyde	172.4	+0.1
2	2021/03/16	21:28	162.4	2	C	D SPOT	STB-N	-27.4	Miyazaki, Isao	163.3	-0.9
3	2021/03/18	21:23	159.1	2	C	D SPOT	STB-N	-28.0	Miyazaki, Isao	158.4	+0.7
4	2021/04/01	04:01	124.3	2	C	D SPOT	STB-N	-26.2	Foster, Clyde	125.9	-1.6
5	2021/04/08	04:07	109.7	2	C	D SPOT	STB-N	-26.2	Foster, Clyde	108.7	+1.0
6	2021/04/11	19:56	100.8	2	C	D SPOT	STB-N	-26.6	Suzuki, Kunihiko	99.7	+1.1
7	2021/04/11	21:04	101.6	2	C	D SPOT	STB-N	-26.3	Miyazaki, Isao	99.6	+2.0
8	2021/04/13	21:11	95.1	2	C	D SPOT	STB-N	-25.0	Go, Christopher	94.7	+0.4
9	2021/04/16	19:58	85.7	2	C	D SPOT	STB-N	-24.9	Wesley, Anthony	87.5	-1.8
10	2021/04/18	20:42	82.7	2	C	D SPOT	STB-N	-25.2	Miyazaki, Isao	82.5	+0.2
11	2021/04/20	03:11	78.3	2	C	D SPOT	STB-N	-24.3	Foster, Clyde	79.4	-1.1
12	2021/04/22	03:14	76.3	2	C	D SPOT	STB-N	-24.1	Foster, Clyde	75.2	+1.1
13	2021/04/25	21:01	72.6	2	C	D SPOT	STB-N	-23.5	Go, Christopher	70.5	+2.1
14	2021/04/27	02:13	72.1	2	C	D SPOT	STB-N	-24.0	Foster, Clyde	69.0	+3.1
15	2021/05/02	22:07	64.9	2	C	D SPOT	STB-N	-25.0	Olivetti, Tiziano	61.6	+3.3
16	2021/05/11	03:45	47.9	2	C	D SPOT	STRB	-24.3	Foster, Clyde	51.3	-3.4
17	2021/05/12	20:45	45.1	2	C	D SPOT	STRB	-23.8	Go, Christopher	49.1	-4.0
18	2021/05/14	20:37	43.1	2	C	D SPOT	STRB	-23.0	Go, Christopher	46.6	-3.5
19	2021/05/14	21:29	43.0	2	C	D SPOT	STRZ	-23.1	Olivetti, Tiziano	46.6	-3.6
20	2021/05/16	02:28	41.2	2	C	D SPOT	STRB	-23.5	Foster, Clyde	45.0	-3.8
21	2021/05/17	19:20	40.3	2	C	D SPOT	STRB	-22.9	Miyazaki, Isao	42.9	-2.6
22	2021/05/19	19:59	38.4	2	C	D SPOT	STRB	-23.5	Miyazaki, Isao	40.3	-1.9
23	2021/05/21	21:09	38.1	2	C	D SPOT	STRZ	-22.9	Go, Christopher	37.8	+0.3
24	2021/05/24	18:38	35.4	2	C	D SPOT	STRZ	-22.7	Wesley, Anthony	34.1	+1.3
25	2021/05/24	19:11	35.3	2	C	D SPOT	STRZ	-23.2	Miyazaki, Isao	34.1	+1.2
26	2021/05/26	20:09	35.6	2	C	D SPOT	STRZ	-23.3	Miyazaki, Isao	31.5	+4.1
27	2021/05/28	02:12	36.3	2	C	D SPOT	STRZ	-22.4	Foster, Clyde	29.9	+6.4