Rotation Period in 2018 Apparition(NPW1)

Object	NPR white spot	ID	NPW1

Period	p1	Data Count	10
Rotation Period	9h54m59.4s±4.6s	Refernce Date	2018/05/09
Drift Rate (deg./day)	-1.005±0.111	Refernce Longitude	97.3±1.4
Limiting Date	2018/03/29－2018/04/23	Latitude	+54.1±0.6
Limiting Longitude	135.4－113.1	Wind Velocity (m/sec)	+6.0±0.9

Period	p2	Data Count	12
Rotation Period	9h55m55.2s±3.3s	Refernce Date	2018/05/09
Drift Rate (deg./day)	+0.354±0.081	Refernce Longitude	114.8±1.3
Limiting Date	2018/04/27－2018/05/29	Latitude	+52.6±1.0
Limiting Longitude	111.6－122.4	Wind Velocity (m/sec)	-5.2±0.7

Period	p3	Data Count	7
Rotation Period	9h55m20.1s±4.2s	Refernce Date	2018/05/09
Drift Rate (deg./day)	-0.499±0.103	Refernce Longitude	136.4±1.3
Limiting Date	2018/06/01－2018/06/27	Latitude	+53.7±0.5
Limiting Longitude	124.2－110.3	Wind Velocity (m/sec)	+1.9±0.8

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2018/03/29	17:33	135.4	2	C	W SPOT	NPR	+54.3	Wesley, Anthony	137.7	-2.3
2	2018/04/03	16:30	133.8	2	C	W SPOT	NPR	+54.0	Yamazaki, Akihiro	132.8	+1.0
3	2018/04/03	17:25	133.5	2	C	W SPOT	NPR	+53.8	Horiuchi, Tadashi	132.7	+0.8
4	2018/04/08	16:22	128.6	2	C	W SPOT	NPR	+54.9	Kumamori, Teruaki	127.7	+0.9
5	2018/04/10	17:35	126.8	2	C	W SPOT	NPR	+53.8	Wesley, Anthony	125.7	+1.1
6	2018/04/13	14:48	123.4	2	C	W SPOT	NPR	+55.2	Yamazaki, Akihiro	122.8	+0.6
7	2018/04/19	00:54	115.5	2	C	W SPOT	NPR	+53.7	Foster, Clyde	117.3	-1.8
8	2018/04/20	16:07	114.7	2	C	W SPOT	NPR	+53.8	Iwamasa, Ryuichi	115.7	-1.0
9	2018/04/22	16:48	113.1	2	C	W SPOT	NPR	+54.2	Einaga, Hideo	113.6	-0.5
10	2018/04/23	23:41	113.6	2	C	W SPOT	NPR	+53.1	Foster, Clyde	112.4	+1.2
11	2018/04/27	16:30	111.6	2	C	W SPOT	NPR	+53.5	Go, Christopher	110.8	+0.8
12	2018/04/28	13:06	112.1	2	C	W SPOT	NPR	+54.4	Einaga, Hideo	111.1	+1.0
13	2018/05/05	22:24	112.0	2	C	W SPOT	NPR	+53.5	Delcroix, Marc	113.7	-1.7
14	2018/05/08	00:22	112.0	2	C	W SPOT	NPR	+54.0	Pellier, Christophe	114.4	-2.4
15	2018/05/10	13:16	117.2	2	C	W SPOT	NPR	+52.7	Einaga, Hideo	115.3	+1.9
16	2018/05/12	14:49	116.3	2	C	W SPOT	NPR	+52.8	Yamazaki, Akihiro	116.1	+0.2
17	2018/05/17	12:54	117.5	2	C	W SPOT	NPR	+51.3	Yamazaki, Akihiro	117.8	-0.3
18	2018/05/17	14:09	118.5	2	C	W SPOT	NPR	+51.9	Horiuchi, Tadashi	117.8	+0.7
19	2018/05/19	14:35	117.3	2	C	W SPOT	NPR	+51.9	Ota, Satoshi	118.5	-1.2
20	2018/05/22	13:08	119.8	2	C	W SPOT	NPR	+51.5	Go, Christopher	119.6	+0.2
21	2018/05/24	13:48	120.8	2	C	W SPOT	NPR	+51.6	Go, Christopher	120.3	+0.5
22	2018/05/29	12:04	122.4	2	C	W SPOT	NPR	+52.1	Wesley, Anthony	122.0	+0.4
23	2018/06/01	11:44	124.2	2	C	W SPOT	NPR	+53.1	Kumamori, Teruaki	124.7	-0.5
24	2018/06/01	10:51	123.5	2	C	W SPOT	NPR	+53.5	Einaga, Hideo	124.7	-1.2
25	2018/06/03	12:20	123.6	2	C	W SPOT	NPR	+53.4	Suzuki, Kunihiko	123.7	-0.1
26	2018/06/09	18:15	122.2	2	C	W SPOT	NPR	+53.4	Foster, Clyde	120.6	+1.6
27	2018/06/15	11:59	119.3	2	C	W SPOT	NPR	+54.6	Go, Christopher	117.7	+1.6
28	2018/06/23	08:47	113.9	2	C	W SPOT	NPR	+54.3	Wesley, Anthony	113.8	+0.1
29	2018/06/27	11:23	110.3	2	C	W SPOT	NPR	+53.8	Ota, Satoshi	111.7	-1.4