Rotation Period in 2020 Apparition(NND2)

Object	NNTZ dark spot	ID	NND2

Period	p1	Data Count	24
Rotation Period	9h55m18.0s±2.3s	Refernce Date	2020/07/14
Drift Rate (deg./day)	-0.552±0.056	Refernce Longitude	58.1±1.9
Limiting Date	2020/02/27－2020/05/05	Latitude	+41.9±0.4
Limiting Longitude	137.7－96.7	Wind Velocity (m/sec)	+3.0±0.6

Period	p2	Data Count	12
Rotation Period	9h56m10.2s±2.0s	Refernce Date	2020/07/14
Drift Rate (deg./day)	+0.719±0.050	Refernce Longitude	148.9±0.7
Limiting Date	2020/05/06－2020/06/02	Latitude	+40.7±0.6
Limiting Longitude	98.6－119.1	Wind Velocity (m/sec)	-10.5±0.5

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2020/02/27	19:08	137.7	2	C	D SPOT	NNTZ	+42.6	Wesley, Anthony	133.9	+3.8
2	2020/02/29	19:34	136.2	2	C	D SPOT	NNTZ	+42.1	Wesley, Anthony	132.7	+3.5
3	2020/03/09	03:29	127.7	2	C	D SPOT	NNTZ	+42.1	Foster, Clyde	128.1	-0.4
4	2020/03/11	02:54	126.1	2	C	D SPOT	NNTZ	+41.5	Foster, Clyde	127.1	-1.0
5	2020/03/21	21:26	119.8	2	C	D SPOT	NNTZ	+42.2	Go, Christopher	121.1	-1.3
6	2020/03/21	22:49	120.0	2	C	D SPOT	NNTZ	+41.9	Olivetti, Tiziano	121.1	-1.1
7	2020/03/26	19:40	117.0	2	C	D SPOT	NNTZ	+41.7	Wesley, Anthony	118.4	-1.4
8	2020/03/29	18:55	115.0	2	C	D SPOT	NNTZ	+42.0	Wesley, Anthony	116.7	-1.7
9	2020/04/04	22:35	111.7	2	C	D SPOT	NNTZ	+41.4	Olivetti, Tiziano	113.4	-1.7
10	2020/04/12	20:19	106.0	2	C	D SPOT	NNTZ	+41.5	Go, Christopher	109.0	-3.0
11	2020/04/14	20:21	106.2	2	C	D SPOT	NNTZ	+41.3	Go, Christopher	107.9	-1.7
12	2020/04/16	02:47	105.7	2	C	D SPOT	NNTZ	+41.3	Foster, Clyde	107.2	-1.5
13	2020/04/17	19:48	104.1	2	C	D SPOT	NNTZ	+42.1	Go, Christopher	106.2	-2.1
14	2020/04/17	19:08	104.1	2	C	D SPOT	NNTZ	+42.4	Miyazaki, Isao	106.3	-2.2
15	2020/04/23	03:58	105.5	2	C	D SPOT	NNTZ	+41.2	Foster, Clyde	103.3	+2.2
16	2020/04/24	18:59	103.2	2	C	D SPOT	NNTZ	+41.4	Kumamori, Teruaki	102.4	+0.8
17	2020/04/26	21:03	102.7	2	C	D SPOT	NNTZ	+42.3	Go, Christopher	101.2	+1.5
18	2020/04/29	18:23	101.0	2	C	D SPOT	NNTZ	+42.2	Suzuki, Kunihiko	99.6	+1.4
19	2020/04/29	18:37	101.1	2	C	D SPOT	NNTZ	+42.2	Kumamori, Teruaki	99.6	+1.5
20	2020/05/01	18:55	99.7	2	C	D SPOT	NNTZ	+42.1	Kumamori, Teruaki	98.5	+1.2
21	2020/05/01	20:19	99.1	2	C	D SPOT	NNTZ	+42.2	Go, Christopher	98.5	+0.6
22	2020/05/03	20:44	98.9	2	C	D SPOT	NNTZ	+41.9	Miyazaki, Isao	97.4	+1.5
23	2020/05/04	18:28	98.0	2	C	D SPOT	NNTZ	+41.4	Miyazaki, Isao	96.9	+1.1
24	2020/05/05	04:10	96.7	2	C	D SPOT	NNTZ	+42.1	Foster, Clyde	96.7	0.0
25	2020/05/06	19:11	98.6	2	C	D SPOT	NNTZ	+42.1	Ohsugi, Tadao	99.8	-1.2
26	2020/05/06	18:34	99.2	2	C	D SPOT	NNTZ	+41.5	Wesley, Anthony	99.8	-0.6
27	2020/05/10	03:18	102.5	2	C	D SPOT	NNTZ	+40.7	Foster, Clyde	102.2	+0.3
28	2020/05/11	17:37	103.2	2	C	D SPOT	NNTZ	+40.4	Suzuki, Kunihiko	103.4	-0.2
29	2020/05/11	18:40	103.4	2	C	D SPOT	NNTZ	+40.3	Kumamori, Teruaki	103.4	0.0
30	2020/05/12	03:10	104.5	2	C	D SPOT	NNTZ	+40.6	Foster, Clyde	103.6	+0.9
31	2020/05/13	20:27	105.6	2	C	D SPOT	NNTZ	+40.5	Miyazaki, Isao	104.9	+0.7
32	2020/05/15	21:27	107.2	2	C	D SPOT	NNTZ	+40.3	Olivetti, Tiziano	106.3	+0.9
33	2020/05/23	18:39	112.3	2	C	D SPOT	NNTZ	+40.9	Go, Christopher	112.0	+0.3
34	2020/05/25	20:23	113.0	2	C	D SPOT	NNTZ	+40.3	Miyazaki, Isao	113.5	-0.5
35	2020/05/29	03:44	115.4	2	C	D SPOT	NNTZ	+40.5	Foster, Clyde	115.9	-0.5
36	2020/06/02	17:06	119.1	2	C	D SPOT	NNTZ	+40.3	Go, Christopher	119.2	-0.1