Rotation Period in 2016-17 Apparition(NNTD1)

Object	NNTZ dark spot	ID	NNTD1

Period	p1	Data Count	11
Rotation Period	9h55m32.9s±2.6s	Refernce Date	2017/04/07
Drift Rate (deg./day)	-0.188±0.062	Refernce Longitude	97.6±0.7
Limiting Date	2016/11/17－2016/12/11	Latitude	+41.1±0.4
Limiting Longitude	124.7－119.4	Wind Velocity (m/sec)	-0.8±0.7

Period	p2	Data Count	26
Rotation Period	9h56m06.5s±2.0s	Refernce Date	2017/04/07
Drift Rate (deg./day)	+0.630±0.050	Refernce Longitude	194.7±1.2
Limiting Date	2016/12/18－2017/02/03	Latitude	+40.4±1.0
Limiting Longitude	124.3－154.2	Wind Velocity (m/sec)	-9.6±0.5

Period	p3	Data Count	28
Rotation Period	9h55m30.3s±4.2s	Refernce Date	2017/04/07
Drift Rate (deg./day)	-0.251±0.101	Refernce Longitude	140.6±2.3
Limiting Date	2017/02/07－2017/03/25	Latitude	+41.2±0.6
Limiting Longitude	155.9－142.8	Wind Velocity (m/sec)	-0.2±1.1

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2016/11/17	20:48	124.7	2	C	D SPOT	NNTZ	+41.2	Miyazaki, Isao	123.9	+0.8
2	2016/11/17	21:16	124.7	2	C	D SPOT	NNTZ	+42.0	Einaga, Hideo	123.9	+0.8
3	2016/11/17	21:07	123.3	2	C	D SPOT	NNTZ	+40.8	Yamazaki, Akihiro	123.9	-0.6
4	2016/11/27	20:54	121.5	2	C	D SPOT	NNTZ	+41.2	Go, Christopher	122.0	-0.5
5	2016/11/29	21:17	120.6	2	C	D SPOT	NNTZ	+40.7	Go, Christopher	121.6	-1.0
6	2016/12/06	21:15	120.3	2	C	D SPOT	NNTZ	+41.4	Horiuchi, Tadashi	120.3	0.0
7	2016/12/06	21:31	119.5	2	C	D SPOT	NNTZ	+40.9	Kumamori, Teruaki	120.3	-0.8
8	2016/12/09	20:45	119.4	2	C	D SPOT	NNTZ	+41.0	Go, Christopher	119.8	-0.4
9	2016/12/09	20:50	120.4	2	C	D SPOT	NNTZ	+41.1	Miyazaki, Isao	119.8	+0.6
10	2016/12/11	21:13	120.2	2	C	D SPOT	NNTZ	+40.9	Go, Christopher	119.4	+0.8
11	2016/12/11	21:12	119.8	2	C	D SPOT	NNTZ	+41.2	Kumamori, Teruaki	119.4	+0.4
12	2016/12/18	20:46	124.3	2	C	D SPOT	NNTZ	+39.8	Kumamori, Teruaki	125.9	-1.6
13	2016/12/23	20:57	129.3	2	C	D SPOT	NNTZ	+38.8	Iwamasa, Ryuichi	129.1	+0.2
14	2016/12/23	21:14	129.1	2	C	D SPOT	NNTZ	+39.7	Go, Christopher	129.1	0.0
15	2016/12/23	21:28	128.2	2	C	D SPOT	NNTZ	+38.4	Ota, Satoshi	129.1	-0.9
16	2016/12/26	19:36	130.1	2	C	D SPOT	NNTZ	+39.1	Ota, Satoshi	131.0	-0.9
17	2016/12/28	19:53	131.2	2	C	D SPOT	NNTZ	+40.2	Kumamori, Teruaki	132.2	-1.0
18	2016/12/28	21:08	132.1	2	C	D SPOT	NNTZ	+39.6	Go, Christopher	132.3	-0.2
19	2016/12/30	21:15	133.7	2	C	D SPOT	NNTZ	+39.5	Go, Christopher	133.5	+0.2
20	2016/12/30	21:39	132.7	2	C	D SPOT	NNTZ	+39.8	Ota, Satoshi	133.5	-0.8
21	2017/01/02	20:46	137.0	2	C	D SPOT	NNTZ	+40.1	Go, Christopher	135.4	+1.6
22	2017/01/02	21:27	135.9	2	C	D SPOT	NNTZ	+40.5	Kumamori, Teruaki	135.4	+0.5
23	2017/01/04	21:30	138.6	2	C	D SPOT	NNTZ	+40.5	Kumamori, Teruaki	136.7	+1.9
24	2017/01/09	21:54	139.8	2	C	D SPOT	NNTZ	+41.3	Ohsugi, Tadao	139.8	0.0
25	2017/01/14	21:07	144.2	2	C	D SPOT	NNTZ	+40.1	Kumamori, Teruaki	143.0	+1.2
26	2017/01/16	20:50	145.1	2	C	D SPOT	NNTZ	+39.6	Kumamori, Teruaki	144.2	+0.9
27	2017/01/19	18:53	147.7	2	C	D SPOT	NNTZ	+40.4	Horiuchi, Tadashi	146.1	+1.6
28	2017/01/21	21:08	148.0	2	C	D SPOT	NNTZ	+40.6	Go, Christopher	147.4	+0.6
29	2017/01/21	20:48	147.5	2	C	D SPOT	NNTZ	+40.6	Kumamori, Teruaki	147.4	+0.1
30	2017/01/24	18:35	149.1	2	C	D SPOT	NNTZ	+41.6	Einaga, Hideo	149.2	-0.1
31	2017/01/26	20:46	150.9	2	C	D SPOT	NNTZ	+40.8	Miyazaki, Isao	150.5	+0.4
32	2017/01/28	21:06	152.4	2	C	D SPOT	NNTZ	+41.6	Einaga, Hideo	151.8	+0.6
33	2017/01/28	20:56	153.1	2	C	D SPOT	NNTZ	+41.9	Kumamori, Teruaki	151.8	+1.3
34	2017/01/31	18:52	153.1	2	C	D SPOT	NNTZ	+41.8	Kumamori, Teruaki	153.6	-0.5
35	2017/01/31	19:16	152.4	2	C	D SPOT	NNTZ	+42.1	Einaga, Hideo	153.6	-1.2
36	2017/02/02	20:12	154.2	2	C	D SPOT	NNTZ	+41.4	Kumamori, Teruaki	154.9	-0.7
37	2017/02/03	18:04	152.3	2	C	D SPOT	NNTZ	+40.7	Kumamori, Teruaki	155.5	-3.2
38	2017/02/07	11:04	153.9	2	C	D SPOT	NNTZ	+41.5	Maxson, Paul	155.3	-1.4
39	2017/02/12	19:05	154.9	2	C	D SPOT	NNTZ	+41.6	Kumamori, Teruaki	154.0	+0.9
40	2017/02/12	19:49	155.9	2	C	D SPOT	NNTZ	+41.2	Yamazaki, Akihiro	153.9	+2.0
41	2017/02/14	20:44	155.2	2	C	D SPOT	NNTZ	+42.4	Miyazaki, Isao	153.4	+1.8
42	2017/02/19	01:15	152.6	2	C	D SPOT	NNTZ	+41.7	Foster, Clyde	152.4	+0.2
43	2017/02/24	18:33	152.7	2	C	D SPOT	NNTZ	+41.4	Kumamori, Teruaki	150.9	+1.8
44	2017/02/24	19:25	153.7	2	C	D SPOT	NNTZ	+40.4	Olivetti, Tiziano	150.9	+2.8
45	2017/02/24	10:17	152.7	2	C	D SPOT	NNTZ	+41.1	Maxson, Paul	151.0	+1.7
46	2017/02/25	04:06	152.0	2	C	D SPOT	NNTZ	+41.9	Pellier, Christophe	150.9	+1.1
47	2017/02/27	17:29	150.3	2	C	D SPOT	NNTZ	+41.3	Horiuchi, Tadashi	150.2	+0.1
48	2017/03/01	17:56	149.5	2	C	D SPOT	NNTZ	+41.0	Go, Christopher	149.7	-0.2
49	2017/03/03	19:29	147.9	2	C	D SPOT	NNTZ	+40.8	Olivetti, Tiziano	149.2	-1.3
50	2017/03/04	16:34	146.8	2	C	D SPOT	NNTZ	+41.1	Kumamori, Teruaki	149.0	-2.2
51	2017/03/08	18:12	145.0	2	C	D SPOT	NNTZ	+41.1	Kumamori, Teruaki	147.9	-2.9
52	2017/03/08	09:36	145.7	2	C	D SPOT	NNTZ	+42.0	Maxson, Paul	148.0	-2.3
53	2017/03/09	15:12	144.7	2	C	D SPOT	NNTZ	+41.7	Kumamori, Teruaki	147.7	-3.0
54	2017/03/11	16:30	144.8	2	C	D SPOT	NNTZ	+41.0	Kumamori, Teruaki	147.2	-2.4
55	2017/03/11	17:38	146.0	2	C	D SPOT	NNTZ	+40.6	Olivetti, Tiziano	147.2	-1.2
56	2017/03/14	14:57	142.8	2	C	D SPOT	NNTZ	+42.7	Kumamori, Teruaki	146.5	-3.7
57	2017/03/15	00:17	144.8	2	C	D SPOT	NNTZ	+41.0	Foster, Clyde	146.4	-1.6
58	2017/03/18	16:32	144.4	2	C	D SPOT	NNTZ	+41.0	Go, Christopher	145.5	-1.1
59	2017/03/18	17:17	144.5	2	C	D SPOT	NNTZ	+40.8	Olivetti, Tiziano	145.5	-1.0
60	2017/03/19	23:15	143.9	2	C	D SPOT	NNTZ	+40.8	Foster, Clyde	145.1	-1.2
61	2017/03/20	08:27	144.4	2	C	D SPOT	NNTZ	+41.3	Maxson, Paul	145.0	-0.6
62	2017/03/23	16:19	146.3	2	C	D SPOT	NNTZ	+40.7	Go, Christopher	144.2	+2.1
63	2017/03/24	13:16	145.2	2	C	D SPOT	NNTZ	+40.2	Miyazaki, Isao	144.0	+1.2
64	2017/03/25	17:57	149.4	2	C	D SPOT	NNTZ	+40.1	Olivetti, Tiziano	143.7	+5.7
65	2017/03/25	16:57	148.5	2	C	D SPOT	NNTZ	+40.8	Go, Christopher	143.7	+4.8