Rotation Period in 2021-22 Apparition(STJ31)

Object	STBn jetstream spot	ID	STJ31

Period	p1	Data Count	14
Rotation Period	9h53m34.3s±11.4s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-3.087±0.279	Refernce Longitude	183.2±1.5
Limiting Date	2021/10/08－2021/10/19	Latitude	-28.1±0.8
Limiting Longitude	27.7－354.5	Wind Velocity (m/sec)	+35.5±3.5

Period	p2	Data Count	54
Rotation Period	9h53m55.1s±1.3s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-2.578±0.032	Refernce Longitude	147.3±1.4
Limiting Date	2021/10/23－2022/01/22	Latitude	-27.2±0.7
Limiting Longitude	340.9－104.5	Wind Velocity (m/sec)	+29.4±0.4

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2021/10/08	17:52	27.7	2	C	D SPOT	STB-N	-27.7	Foster, Clyde	29.6	-1.9
2	2021/10/09	13:42	26.0	2	C	D SPOT	STB-N	-28.1	Miyazaki, Isao	27.1	-1.1
3	2021/10/10	08:38	24.4	2	C	D SPOT	STB-N	-27.6	Suzuki, Kunihiko	24.6	-0.2
4	2021/10/10	10:08	23.6	2	C	D SPOT	STB-N	-27.3	Ishibashi, Tsutomu	24.4	-0.8
5	2021/10/10	17:40	23.7	2	C	D SPOT	STB-N	-27.4	Foster, Clyde	23.5	+0.2
6	2021/10/12	09:55	19.8	2	C	D SPOT	STB-N	-27.9	Hatanaka, Akitoshi	18.3	+1.5
7	2021/10/12	20:04	17.4	2	C	D SPOT	STB-N	-27.5	Foster, Clyde	17.0	+0.4
8	2021/10/14	11:35	14.6	2	C	D SPOT	STB-N	-27.5	Miyazaki, Isao	11.9	+2.7
9	2021/10/14	12:27	13.8	2	C	D SPOT	STB-N	-28.3	Kumamori, Teruaki	11.8	+2.0
10	2021/10/15	17:26	9.1	2	C	D SPOT	STB-N	-28.6	Foster, Clyde	8.1	+1.0
11	2021/10/17	09:22	3.0	2	C	D SPOT	STB-N	-29.9	Kumamori, Teruaki	2.9	+0.1
12	2021/10/17	10:25	1.9	2	C	D SPOT	STB-N	-29.7	Miyazaki, Isao	2.8	-0.9
13	2021/10/18	14:09	358.1	2	C	D SPOT	STB-N	-28.3	Miyazaki, Isao	359.2	-1.1
14	2021/10/19	10:58	354.5	2	C	D SPOT	STB-N	-27.7	Go, Christopher	356.5	-2.0
15	2021/10/23	14:18	340.9	2	C	D SPOT	STB-N	-26.5	Olivetti, Tiziano	340.8	+0.1
16	2021/10/24	10:13	339.7	2	C	D SPOT	STB-N	-27.7	Suzuki, Kunihiko	338.7	+1.0
17	2021/10/26	10:46	333.7	2	C	D SPOT	STB-N	-27.9	Ito, Satoshi	333.4	+0.3
18	2021/10/26	12:07	333.2	2	C	D SPOT	STB-N	-27.7	Kumamori, Teruaki	333.3	-0.1
19	2021/10/28	11:29	328.7	2	C	D SPOT	STB-N	-27.8	Kumamori, Teruaki	328.2	+0.5
20	2021/10/28	13:13	328.2	2	C	D SPOT	STB-N	-27.8	Miyazaki, Isao	328.0	+0.2
21	2021/10/29	08:22	325.7	2	C	D SPOT	STB-N	-27.0	Ishibashi, Tsutomu	326.0	-0.3
22	2021/10/29	09:16	325.6	2	C	D SPOT	STB-N	-27.9	Kumamori, Teruaki	325.9	-0.3
23	2021/10/30	13:06	323.2	2	C	D SPOT	STB-N	-27.8	Miyazaki, Isao	322.9	+0.3
24	2021/10/31	08:53	320.7	2	C	D SPOT	STB-N	-27.0	Ito, Satoshi	320.7	0.0
25	2021/10/31	00:53	322.1	2	C	D SPOT	STB-N	-27.6	Lamy, George	321.6	+0.5
26	2021/11/01	16:23	316.4	2	C	D SPOT	STB-N	-27.2	Foster, Clyde	317.4	-1.0
27	2021/11/02	11:19	314.0	2	C	D SPOT	STB-N	-27.9	Miyazaki, Isao	315.3	-1.3
28	2021/11/05	08:27	306.5	2	C	D SPOT	STB-N	-26.7	Ishibashi, Tsutomu	307.9	-1.4
29	2021/11/07	09:24	300.9	2	C	D SPOT	STB-N	-27.7	Suzuki, Kunihiko	302.6	-1.7
30	2021/11/07	10:32	300.1	2	C	D SPOT	STB-N	-27.9	Miyazaki, Isao	302.5	-2.4
31	2021/11/09	12:51	294.7	2	C	D SPOT	STB-N	-27.1	Olivetti, Tiziano	297.1	-2.4
32	2021/11/10	16:35	292.9	2	C	D SPOT	STB-N	-26.9	Foster, Clyde	294.1	-1.2
33	2021/11/12	09:15	289.2	2	C	D SPOT	STB-N	-27.4	Ito, Satoshi	289.8	-0.6
34	2021/11/14	11:14	283.3	2	C	D SPOT	STB-N	-27.4	Kumamori, Teruaki	284.4	-1.1
35	2021/11/14	10:01	283.0	2	C	D SPOT	STB	-30.9	Miyazaki, Isao	284.5	-1.5
36	2021/11/14	10:01	284.1	2	C	D SPOT	STB-N	-27.1	Miyazaki, Isao	284.5	-0.4
37	2021/11/16	10:21	280.0	2	C	D SPOT	STB-N	-27.4	Miyazaki, Isao	279.3	+0.7
38	2021/11/17	08:47	275.9	2	C	D SPOT	STB-N	-27.0	Kumamori, Teruaki	276.9	-1.0
39	2021/11/19	08:12	271.7	2	C	D SPOT	STB-N	-27.1	Kumamori, Teruaki	271.8	-0.1
40	2021/11/19	09:10	272.4	2	C	D SPOT	STB-N	-28.5	Miyazaki, Isao	271.7	+0.7
41	2021/11/21	10:21	265.9	2	C	D SPOT	STB-N	-26.9	Go, Christopher	266.4	-0.5
42	2021/11/22	17:20	262.5	2	C	D SPOT	STB-N	-27.5	Foster, Clyde	263.1	-0.6
43	2021/11/24	08:52	259.4	2	C	D SPOT	STB-N	-26.6	Miyazaki, Isao	258.9	+0.5
44	2021/11/26	08:18	255.0	2	C	D SPOT	STB-N	-27.2	Suzuki, Kunihiko	253.8	+1.2
45	2021/11/26	09:28	254.4	2	C	D SPOT	STB-N	-26.8	Kumamori, Teruaki	253.7	+0.7
46	2021/11/28	10:07	251.8	2	C	D SPOT	STB-N	-26.8	Suzuki, Kunihiko	248.4	+3.4
47	2021/12/03	09:14	238.0	2	C	D SPOT	STB-N	-26.8	Ito, Satoshi	235.6	+2.4
48	2021/12/05	11:04	232.9	2	C	D SPOT	STB-N	-27.3	Olivetti, Tiziano	230.3	+2.6
49	2021/12/08	08:52	224.9	2	C	D SPOT	STB-N	-27.3	Miyazaki, Isao	222.8	+2.1
50	2021/12/10	09:17	220.6	2	C	D SPOT	STB-N	-27.2	Miyazaki, Isao	217.6	+3.0
51	2021/12/13	07:46	212.9	2	C	D SPOT	STB-N	-27.2	Ishibashi, Tsutomu	210.0	+2.9
52	2021/12/13	17:58	210.2	2	C	D SPOT	STB-N	-26.7	Foster, Clyde	208.9	+1.3
53	2021/12/15	07:56	206.9	2	C	D SPOT	STB-N	-26.9	Suzuki, Kunihiko	204.8	+2.1
54	2021/12/15	09:04	206.4	2	C	D SPOT	STB-N	-27.5	Miyazaki, Isao	204.7	+1.7
55	2021/12/20	07:43	193.5	2	C	D SPOT	STB-N	-27.0	Suzuki, Kunihiko	192.0	+1.5
56	2021/12/20	18:07	191.2	2	C	D SPOT	STB-N	-26.7	Foster, Clyde	190.9	+0.3
57	2021/12/22	08:41	186.9	2	C	D SPOT	STB-N	-26.8	Ito, Satoshi	186.7	+0.2
58	2021/12/22	17:54	185.2	2	C	D SPOT	STB-N	-26.1	Foster, Clyde	185.7	-0.5
59	2021/12/24	10:01	181.4	2	C	D SPOT	STB-N	-26.4	Miyazaki, Isao	181.4	0.0
60	2021/12/29	08:41	167.5	2	C	D SPOT	STB-N	-27.1	Suzuki, Kunihiko	168.7	-1.2
61	2022/01/01	16:34	158.1	2	C	D SPOT	STB-N	-26.1	Foster, Clyde	160.1	-2.0
62	2022/01/03	08:55	153.7	2	C	D SPOT	STB-N	-27.2	Ito, Satoshi	155.7	-2.0
63	2022/01/05	08:49	150.2	2	C	D SPOT	STB-N	-27.2	Ito, Satoshi	150.6	-0.4
64	2022/01/08	07:58	142.2	2	C	D SPOT	STB-N	-26.2	Suzuki, Kunihiko	143.0	-0.8
65	2022/01/08	17:01	140.5	2	C	D SPOT	STB-N	-26.0	Foster, Clyde	142.0	-1.5
66	2022/01/10	07:59	137.3	2	C	D SPOT	STB-N	-27.0	Suzuki, Kunihiko	137.8	-0.5
67	2022/01/10	08:30	136.8	2	C	D SPOT	STB-N	-26.6	Ito, Satoshi	137.7	-0.9
68	2022/01/22	08:40	104.5	2	C	D SPOT	STB-N	-26.4	Ito, Satoshi	106.8	-2.3