Rotation Period in 2021-22 Apparition(N2J50)

Object	NNTBs jetstream spot	ID	N2J50

Period	p1	Data Count	20
Rotation Period	9h54m01.9s±3.7s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-2.411±0.089	Refernce Longitude	262.0±1.3
Limiting Date	2021/09/27－2021/10/26	Latitude	+35.5±0.4
Limiting Longitude	170.9－100.5	Wind Velocity (m/sec)	+24.7±1.0

Period	p2	Data Count	36
Rotation Period	9h53m40.5s±1.4s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-2.934±0.034	Refernce Longitude	296.8±0.8
Limiting Date	2021/10/29－2021/12/14	Latitude	+35.3±0.6
Limiting Longitude	91.5－314.7	Wind Velocity (m/sec)	+30.8±0.4

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2021/09/27	17:02	170.9	2	C	D SPOT	NNTB-S	+35.4	Foster, Clyde	168.6	+2.3
2	2021/09/28	13:02	168.3	2	C	D PROJ	NNTB-S	+35.7	Miyazaki, Isao	166.6	+1.7
3	2021/10/01	10:44	158.9	2	C	D PROJ	NNTB-S	+36.4	Miyazaki, Isao	159.6	-0.7
4	2021/10/03	12:07	154.7	2	C	D SPOT	NNTB-S	+35.0	Miyazaki, Isao	154.7	0.0
5	2021/10/04	16:54	151.4	2	C	D SPOT	NNTB-S	+35.4	Foster, Clyde	151.8	-0.4
6	2021/10/05	13:30	149.3	2	C	D SPOT	NNTB-S	+35.0	Miyazaki, Isao	149.7	-0.4
7	2021/10/06	09:57	147.4	2	C	D SPOT	NNTB-S	+36.0	Ito, Satoshi	147.6	-0.2
8	2021/10/08	10:18	142.2	2	C	D SPOT	NNTB-S	+35.6	Ito, Satoshi	142.8	-0.6
9	2021/10/10	11:52	136.9	2	C	D SPOT	NNTB-S	+35.1	Kumamori, Teruaki	137.8	-0.9
10	2021/10/10	13:07	136.2	2	C	D PROJ	NNTB-S	+35.6	Ito, Satoshi	137.7	-1.5
11	2021/10/12	13:06	132.1	2	C	D PROJ	NNTB-S	+35.6	Miyazaki, Isao	132.9	-0.8
12	2021/10/13	09:58	129.1	2	C	D PROJ	NNTB-S	+35.5	Miyazaki, Isao	130.8	-1.7
13	2021/10/15	10:43	124.4	2	C	D PROJ	NNTB-S	+34.9	Miyazaki, Isao	125.9	-1.5
14	2021/10/17	12:52	120.9	2	C	D PROJ	NNTB-S	+35.8	Miyazaki, Isao	120.8	+0.1
15	2021/10/20	09:14	116.9	2	C	D SPOT	NNTB-S	+35.5	Kumamori, Teruaki	114.0	+2.9
16	2021/10/20	10:19	114.3	2	C	D SPOT	NNTB-S	+35.0	Ito, Satoshi	113.8	+0.5
17	2021/10/22	11:13	109.6	2	C	D PROJ	NNTB-S	+36.0	Ito, Satoshi	108.9	+0.7
18	2021/10/23	16:42	105.3	2	C	D SPOT	NNTB-S	+34.9	Foster, Clyde	106.0	-0.7
19	2021/10/25	09:08	101.5	2	C	D SPOT	NNTB-S	+36.0	Miyazaki, Isao	101.9	-0.4
20	2021/10/26	13:26	100.5	2	C	D SPOT	NNTB-S	+35.6	Miyazaki, Isao	99.1	+1.4
21	2021/10/29	10:33	91.5	2	C	D PROJ	NNTB-S	+36.1	Go, Christopher	90.2	+1.3
22	2021/10/29	12:16	90.6	2	C	D SPOT	NNTB-S	+35.0	Olivetti, Tiziano	89.9	+0.7
23	2021/10/31	12:52	84.3	2	C	D PROJ	NNTB-S	+35.5	Miyazaki, Isao	84.0	+0.3
24	2021/11/01	09:17	80.7	2	C	D SPOT	NNTB-S	+35.7	Miyazaki, Isao	81.5	-0.8
25	2021/11/03	10:09	73.8	2	C	D PROJ	NNTB-S	+35.2	Miyazaki, Isao	75.5	-1.7
26	2021/11/05	11:28	68.3	2	C	D SPOT	NNTB-S	+35.0	Go, Christopher	69.5	-1.2
27	2021/11/06	08:08	66.5	2	C	D PROJ	NNTB-S	+35.5	Ishibashi, Tsutomu	67.0	-0.5
28	2021/11/10	10:11	55.9	2	C	D SPOT	NNTB-S	+35.6	Miyazaki, Isao	55.0	+0.9
29	2021/11/11	16:14	51.4	2	C	D SPOT	NNTB-S	+36.1	Foster, Clyde	51.3	+0.1
30	2021/11/12	12:14	50.1	2	C	D PROJ	NNTB-S	+34.2	Miyazaki, Isao	48.9	+1.2
31	2021/11/13	07:57	46.7	2	C	D SPOT	NNTB-S	+35.8	Ishibashi, Tsutomu	46.5	+0.2
32	2021/11/13	09:01	46.6	2	C	D SPOT	NNTB-S	+36.0	Ito, Satoshi	46.3	+0.3
33	2021/11/15	09:21	40.4	2	C	D SPOT	NNTB-S	+35.3	Miyazaki, Isao	40.4	0.0
34	2021/11/15	18:25	38.9	2	C	D SPOT	NNTB-S	+36.5	Foster, Clyde	39.3	-0.4
35	2021/11/17	09:50	34.7	2	C	D SPOT	NNTB-S	+35.9	Kumamori, Teruaki	34.5	+0.2
36	2021/11/17	11:00	33.6	2	C	D SPOT	NNTB-S	+35.9	Go, Christopher	34.3	-0.7
37	2021/11/19	12:01	28.5	2	C	D SPOT	NNTB-S	+35.4	Olivetti, Tiziano	28.4	+0.1
38	2021/11/20	07:52	26.0	2	C	D SPOT	NNTB-S	+34.7	Suzuki, Kunihiko	25.9	+0.1
39	2021/11/20	09:20	25.7	2	C	D SPOT	NNTB-S	+35.2	Kumamori, Teruaki	25.7	0.0
40	2021/11/22	10:08	20.8	2	C	D SPOT	NNTB-S	+35.3	Go, Christopher	19.8	+1.0
41	2021/11/24	09:58	14.5	2	C	D SPOT	NNTB-S	+34.3	Miyazaki, Isao	13.9	+0.6
42	2021/11/26	12:02	8.6	2	C	D SPOT	NNTB-S	+35.5	Olivetti, Tiziano	7.8	+0.8
43	2021/11/27	08:41	4.9	2	C	D SPOT	NNTB-S	+36.2	Kumamori, Teruaki	5.3	-0.4
44	2021/11/29	08:37	359.5	2	C	D SPOT	NNTB-S	+35.3	Ito, Satoshi	359.4	+0.1
45	2021/11/29	09:24	359.9	2	C	D SPOT	NNTB-S	+35.3	Suzuki, Kunihiko	359.3	+0.6
46	2021/11/29	10:34	357.6	2	C	D SPOT	NNTB-S	+35.3	Kumamori, Teruaki	359.2	-1.6
47	2021/12/02	17:43	348.5	2	C	D SPOT	NNTB-S	+34.4	Foster, Clyde	349.5	-1.0
48	2021/12/02	07:55	350.2	2	C	D SPOT	NNTB-S	+34.6	Suzuki, Kunihiko	350.7	-0.5
49	2021/12/04	07:51	344.6	2	C	D SPOT	NNTB-S	+34.9	Suzuki, Kunihiko	344.9	-0.3
50	2021/12/06	09:54	338.0	2	C	D SPOT	NNTB-S	+35.1	Miyazaki, Isao	338.7	-0.7
51	2021/12/09	07:40	329.7	2	C	D SPOT	NNTB-S	+34.7	Ishibashi, Tsutomu	330.2	-0.5
52	2021/12/09	08:18	329.7	2	C	D SPOT	NNTB-S	+35.1	Kumamori, Teruaki	330.1	-0.4
53	2021/12/11	08:03	325.4	2	C	D SPOT	NNTB-S	+34.8	Kumamori, Teruaki	324.3	+1.1
54	2021/12/11	09:15	323.9	2	C	D SPOT	NNTB-S	+34.5	Ito, Satoshi	324.1	-0.2
55	2021/12/13	09:54	319.4	2	C	D PROJ	NNTB-S	+35.3	Ito, Satoshi	318.2	+1.2
56	2021/12/14	17:00	314.7	2	C	D SPOT	NNTB-S	+34.7	Foster, Clyde	314.4	+0.3