Rotation Period in 2021-22 Apparition(N2J9)

Object	NNTBs jetstream spot	ID	N2J9

Period	p1	Data Count	22
Rotation Period	9h53m48.3s±3.0s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-2.744±0.072	Refernce Longitude	180.6±1.7
Limiting Date	2021/05/12－2021/06/29	Latitude	+35.2±0.5
Limiting Longitude	94.0－320.7	Wind Velocity (m/sec)	+28.6±0.8

Period	p2	Data Count	22
Rotation Period	9h54m22.6s±2.4s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-1.903±0.058	Refernce Longitude	225.4±1.2
Limiting Date	2021/07/04－2021/08/15	Latitude	+36.4±0.4
Limiting Longitude	311.4－234.5	Wind Velocity (m/sec)	+18.6±0.7

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2021/05/12	21:12	94.0	2	C	D SPOT	NNTB-S	+35.7	Go, Christopher	92.5	+1.5
2	2021/05/14	03:36	90.1	2	C	D SPOT	NNTB-S	+35.1	Foster, Clyde	89.1	+1.0
3	2021/05/14	21:29	87.2	2	C	D SPOT	NNTB-S	+35.9	Olivetti, Tiziano	87.0	+0.2
4	2021/05/15	19:02	85.1	2	C	D SPOT	NNTB-S	+35.8	Suzuki, Kunihiko	84.5	+0.6
5	2021/05/17	20:11	79.4	2	C	D SPOT	NNTB-S	+35.2	Miyazaki, Isao	78.9	+0.5
6	2021/05/17	21:06	78.9	2	C	D SPOT	NNTB-S	+35.2	Go, Christopher	78.8	+0.1
7	2021/05/24	20:25	57.2	2	C	D SPOT	NNTB-S	+34.8	Miyazaki, Isao	59.7	-2.5
8	2021/05/24	21:08	58.1	2	C	D SPOT	NNTB-S	+34.6	Go, Christopher	59.6	-1.5
9	2021/05/28	02:12	49.7	2	C	D SPOT	NNTB-S	+35.0	Foster, Clyde	50.8	-1.1
10	2021/05/29	19:43	42.9	2	C	D SPOT	NNTB-S	+34.3	Kumamori, Teruaki	46.1	-3.2
11	2021/05/31	19:26	38.6	2	C	D SPOT	NNTB-S	+34.4	Kumamori, Teruaki	40.6	-2.0
12	2021/06/02	02:56	36.4	2	C	D SPOT	NNTB-S	+34.6	Foster, Clyde	37.0	-0.6
13	2021/06/03	19:13	32.2	2	C	D SPOT	NNTB-S	+35.0	Miyazaki, Isao	32.4	-0.2
14	2021/06/07	19:26	23.3	2	C	D SPOT	NNTB-S	+35.3	Kumamori, Teruaki	21.4	+1.9
15	2021/06/10	17:34	16.2	2	C	D SPOT	NNTB-S	+35.5	Ishibashi, Tsutomu	13.4	+2.8
16	2021/06/10	19:00	14.4	2	C	D SPOT	NNTB-S	+35.7	Suzuki, Kunihiko	13.2	+1.2
17	2021/06/12	19:34	11.0	2	C	D SPOT	NNTB-S	+35.6	Miyazaki, Isao	7.7	+3.3
18	2021/06/14	20:58	3.8	2	C	D SPOT	NNTB-S	+35.2	Go, Christopher	2.0	+1.8
19	2021/06/17	18:57	353.1	2	C	D SPOT	NNTB-S	+35.6	Ishibashi, Tsutomu	354.0	-0.9
20	2021/06/25	04:32	332.5	2	C	D SPOT	NNTB-S	+35.1	Foster, Clyde	333.7	-1.2
21	2021/06/26	20:00	328.0	2	C	D SPOT	NNTB-S	+35.2	Olivetti, Tiziano	329.2	-1.2
22	2021/06/29	18:20	320.7	2	C	D SPOT	NNTB-S	+36.3	Kumamori, Teruaki	321.2	-0.5
23	2021/07/04	16:47	311.4	2	C	D SPOT	NNTB-S	+36.2	Miyazaki, Isao	313.5	-2.1
24	2021/07/06	17:30	309.3	2	C	D SPOT	NNTB-S	+36.8	Miyazaki, Isao	309.7	-0.4
25	2021/07/08	19:08	306.2	2	C	D SPOT	NNTB-S	+36.2	Miyazaki, Isao	305.7	+0.5
26	2021/07/09	16:03	303.9	2	C	D SPOT	NNTB-S	+36.0	Miyazaki, Isao	304.1	-0.2
27	2021/07/11	16:17	300.9	2	C	D SPOT	NNTB-S	+36.0	Ishibashi, Tsutomu	300.2	+0.7
28	2021/07/11	17:31	299.3	2	C	D SPOT	NNTB-S	+36.0	Kumamori, Teruaki	300.1	-0.8
29	2021/07/13	16:45	297.9	2	C	D SPOT	NNTB-S	+36.7	Kumamori, Teruaki	296.4	+1.5
30	2021/07/13	17:58	297.3	2	C	D SPOT	NNTB-S	+36.2	Miyazaki, Isao	296.3	+1.0
31	2021/07/16	15:30	292.8	2	C	D SPOT	NNTB	+36.7	Suzuki, Kunihiko	290.8	+2.0
32	2021/07/16	16:33	291.9	2	C	D SPOT	NNTB	+37.2	Ishibashi, Tsutomu	290.7	+1.2
33	2021/07/18	16:32	288.3	2	C	D SPOT	NNTB-S	+36.4	Ito, Satoshi	286.9	+1.4
34	2021/07/18	18:20	286.6	2	C	D SPOT	NNTB-S	+36.4	Kumamori, Teruaki	286.7	-0.1
35	2021/07/20	18:00	282.3	2	C	D SPOT	NNTB-S	+36.7	Suzuki, Kunihiko	283.0	-0.7
36	2021/07/20	19:03	282.3	2	C	D SPOT	NNTB-S	+36.1	Ishibashi, Tsutomu	282.9	-0.6
37	2021/07/23	15:23	275.7	2	C	D SPOT	NNTB-S	+36.6	Suzuki, Kunihiko	277.5	-1.8
38	2021/07/25	16:05	271.0	2	C	D SPOT	NNTB-S	+36.3	Horiuchi, Tadashi	273.6	-2.6
39	2021/07/30	16:20	264.2	2	C	D SPOT	NNTB-S	+36.9	Miyazaki, Isao	264.1	+0.1
40	2021/08/01	17:15	260.9	2	C	D SPOT	NNTB-S	+36.6	Suzuki, Kunihiko	260.2	+0.7
41	2021/08/04	14:30	255.0	2	C	D SPOT	NNTB-S	+36.1	Kumamori, Teruaki	254.7	+0.3
42	2021/08/06	16:33	250.4	2	C	D SPOT	NNTB-S	+36.6	Suzuki, Kunihiko	250.7	-0.3
43	2021/08/11	15:19	240.4	2	C	D SPOT	NNTB-S	+35.8	Go, Christopher	241.3	-0.9
44	2021/08/15	17:52	234.5	2	C	D SPOT	NNTB-S	+36.2	Go, Christopher	233.5	+1.0