Rotation Period in 2018 Apparition(NNJ8)

Object	NNTBs jetstream spot	ID	NNJ8

Period		Data Count	27
Rotation Period	9h53m52.6s±2.9s	Refernce Date	2018/05/09
Drift Rate (deg./day)	-2.637±0.071	Refernce Longitude	191.6±1.8
Limiting Date	2018/03/11－2018/04/30	Latitude	+34.7±0.5
Limiting Longitude	342.3－211.3	Wind Velocity (m/sec)	+27.6±0.8

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2018/03/11	19:07	342.3	2	C	D PROJ	NNTB-S	+33.9	Horiuchi, Tadashi	345.1	-2.8
2	2018/03/11	19:25	341.7	2	C	D SPOT	NNTB-S	+34.3	Kumamori, Teruaki	345.1	-3.4
3	2018/03/18	19:48	323.9	2	C	D SPOT	NNTB-S	+34.7	Miyazaki, Isao	326.6	-2.7
4	2018/03/20	20:04	319.8	2	C	D SPOT	NNTB-S	+34.6	Go, Christopher	321.3	-1.5
5	2018/03/23	17:55	312.5	2	C	D SPOT	NNTB-S	+34.9	Einaga, Hideo	313.6	-1.1
6	2018/03/23	19:04	312.7	2	C	D PROJ	NNTB-S	+34.0	Miyazaki, Isao	313.5	-0.8
7	2018/03/25	19:09	308.6	2	C	D SPOT	NNTB-S	+34.6	Einaga, Hideo	308.2	+0.4
8	2018/03/25	19:50	309.5	2	C	D SPOT	NNTB-S	+34.3	Kumamori, Teruaki	308.1	+1.4
9	2018/03/28	16:35	302.5	2	C	D SPOT	NNTB-S	+34.9	Yamazaki, Akihiro	300.6	+1.9
10	2018/03/28	17:25	302.3	2	C	D SPOT	NNTB-S	+35.1	Kumamori, Teruaki	300.5	+1.8
11	2018/03/28	17:51	302.2	2	C	D SPOT	NNTB-S	+35.3	Wesley, Anthony	300.4	+1.8
12	2018/03/30	18:50	297.3	2	C	D SPOT	NNTB-S	+35.1	Horiuchi, Tadashi	295.1	+2.2
13	2018/03/30	18:57	297.2	2	C	D SPOT	NNTB-S	+34.7	Olivetti, Tiziano	295.0	+2.2
14	2018/04/01	20:28	292.4	2	C	D SPOT	NNTB-S	+35.3	Miyazaki, Isao	289.6	+2.8
15	2018/04/01	19:08	291.7	2	C	D SPOT	NNTB-S	+35.7	Go, Christopher	289.7	+2.0
16	2018/04/08	19:50	272.1	2	C	D PROJ	NNTB-S	+34.8	Miyazaki, Isao	271.2	+0.9
17	2018/04/08	19:50	271.9	2	C	D SPOT	NNTB-S	+34.7	Olivetti, Tiziano	271.2	+0.7
18	2018/04/09	16:17	270.0	2	C	D SPOT	NNTB-S	+35.6	Go, Christopher	269.0	+1.0
19	2018/04/14	15:46	255.5	2	C	D SPOT	NNTB-S	+35.0	Go, Christopher	255.8	-0.3
20	2018/04/16	16:48	250.0	2	C	D SPOT	NNTB-S	+34.4	Go, Christopher	250.4	-0.4
21	2018/04/18	17:48	244.9	2	C	D SPOT	NNTB-S	+34.4	Kumamori, Teruaki	245.1	-0.2
22	2018/04/18	18:36	245.4	2	C	D SPOT	NNTB-S	+35.1	Miyazaki, Isao	245.0	+0.4
23	2018/04/23	16:31	231.8	2	C	D SPOT	NNTB-S	+34.4	Go, Christopher	232.0	-0.2
24	2018/04/24	23:24	228.1	2	C	D SPOT	NNTB-S	+34.4	Foster, Clyde	228.6	-0.5
25	2018/04/28	15:47	217.7	2	C	D SPOT	NNTB-S	+34.3	Horiuchi, Tadashi	218.9	-1.2
26	2018/04/30	16:26	211.4	2	C	D SPOT	NNTB-S	+34.3	Go, Christopher	213.6	-2.2
27	2018/04/30	17:21	211.3	2	C	D SPOT	NNTB-S	+34.5	Kumamori, Teruaki	213.5	-2.2