Rotation Period in 2021-22 Apparition(SPW1)

Object	SPR white spot	ID	SPW1

Period	p1	Data Count	15
Rotation Period	9h55m45.2s±1.5s	Refernce Date	2021/08/20
Drift Rate (deg./day)	+0.111±0.036	Refernce Longitude	295.0±1.3
Limiting Date	2021/04/02－2021/06/11	Latitude	-59.4±0.6
Limiting Longitude	278.1－287.3	Wind Velocity (m/sec)	-2.6±0.3

Period	p2	Data Count	8
Rotation Period	9h55m05.6s±4.8s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-0.854±0.116	Refernce Longitude	228.0±1.3
Limiting Date	2021/06/14－2021/07/06	Latitude	-60.9±0.7
Limiting Longitude	284.4－265.9	Wind Velocity (m/sec)	+3.9±0.8

Period	p3	Data Count	28
Rotation Period	9h55m36.5s±2.6s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-0.100±0.065	Refernce Longitude	260.4±1.6
Limiting Date	2021/07/08－2021/08/28	Latitude	-59.5±0.6
Limiting Longitude	266.1－255.7	Wind Velocity (m/sec)	-1.2±0.5

Period	p4	Data Count	49
Rotation Period	9h54m49.9s±2.1s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-1.236±0.050	Refernce Longitude	273.6±2.1
Limiting Date	2021/08/30－2021/11/23	Latitude	-60.8±0.8
Limiting Longitude	257.9－154.0	Wind Velocity (m/sec)	+6.5±0.3

Period	p5	Data Count	5
Rotation Period	9h55m38.2s±3.4s	Refernce Date	2021/08/20
Drift Rate (deg./day)	-0.060±0.083	Refernce Longitude	155.4±1.1
Limiting Date	2021/11/28－2021/12/24	Latitude	-59.6±0.8
Limiting Longitude	149.7－146.9	Wind Velocity (m/sec)	-1.4±0.6

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2021/04/02	22:50	278.9	2	C	W SPOT	SPR	-59.5	Olivetti, Tiziano	279.6	-0.7
2	2021/04/10	20:04	278.1	2	C	W SPOT	SPR	-59.7	Suzuki, Kunihiko	280.5	-2.4
3	2021/04/21	03:54	280.9	2	C	W OVAL	SPR	-59.0	Foster, Clyde	281.7	-0.8
4	2021/04/29	20:31	284.2	2	C	W SPOT	SPR	-59.2	Go, Christopher	282.6	+1.6
5	2021/05/03	04:00	284.5	2	C	W SPOT	SPR	-58.1	Foster, Clyde	283.0	+1.5
6	2021/05/06	21:00	284.9	2	C	W SPOT	SPR	-58.7	Go, Christopher	283.4	+1.5
7	2021/05/08	22:20	285.0	2	C	W SPOT	SPR	-58.7	Olivetti, Tiziano	283.6	+1.4
8	2021/05/23	20:02	286.3	2	C	W SPOT	SPR	-59.9	Miyazaki, Isao	285.3	+1.0
9	2021/05/26	18:29	285.2	2	C	W SPOT	SPR	-59.8	Wesley, Anthony	285.6	-0.4
10	2021/06/04	20:01	286.9	2	C	W SPOT	SPR	-59.5	Miyazaki, Isao	286.6	+0.3
11	2021/06/07	17:46	287.3	2	C	W SPOT	SPR	-59.8	Wesley, Anthony	286.9	+0.4
12	2021/06/07	18:58	286.5	2	C	W SPOT	SPR	-60.3	Kumamori, Teruaki	286.9	-0.4
13	2021/06/09	19:05	286.1	2	C	W SPOT	SPR	-59.5	Kumamori, Teruaki	287.1	-1.0
14	2021/06/09	19:46	286.7	2	C	W SPOT	SPR	-59.8	Miyazaki, Isao	287.1	-0.4
15	2021/06/11	20:26	285.9	2	C	W SPOT	SPR	-60.0	Miyazaki, Isao	287.4	-1.5
16	2021/06/14	18:21	284.4	2	C	W SPOT	SPR	-61.0	Ohsugi, Tadao	284.6	-0.2
17	2021/06/16	19:32	284.0	2	C	W SPOT	SPR	-60.2	Go, Christopher	282.8	+1.2
18	2021/06/21	19:07	279.3	2	C	W SPOT	SPR	-61.5	Suzuki, Kunihiko	278.6	+0.7
19	2021/06/26	18:27	272.9	2	C	W SPOT	SPR	-62.2	Miyazaki, Isao	274.3	-1.4
20	2021/06/27	04:27	271.9	2	C	W SPOT	SPR	-61.1	Foster, Clyde	274.0	-2.1
21	2021/07/03	18:31	268.8	2	C	W SPOT	SPR	-60.6	Miyazaki, Isao	268.3	+0.5
22	2021/07/05	20:29	267.7	2	C	W SPOT	SPR	-60.3	Miyazaki, Isao	266.6	+1.1
23	2021/07/06	17:30	265.9	2	C	W SPOT	SPR	-60.4	Miyazaki, Isao	265.8	+0.1
24	2021/07/08	17:29	265.4	2	C	W SPOT	SPR	-60.3	Miyazaki, Isao	264.7	+0.7
25	2021/07/10	19:04	265.5	2	C	W SPOT	SPR	-60.2	Miyazaki, Isao	264.5	+1.0
26	2021/07/11	16:17	264.5	2	C	W SPOT	SPR	-60.1	Ishibashi, Tsutomu	264.4	+0.1
27	2021/07/13	16:45	266.1	2	C	W SPOT	SPR	-59.8	Kumamori, Teruaki	264.2	+1.9
28	2021/07/13	17:58	264.7	2	C	W SPOT	SPR	-60.4	Miyazaki, Isao	264.2	+0.5
29	2021/07/16	14:29	264.3	2	C	W SPOT	SPR	-59.7	Suzuki, Kunihiko	263.9	+0.4
30	2021/07/18	16:32	262.5	2	C	W SPOT	SPR	-59.4	Ito, Satoshi	263.7	-1.2
31	2021/07/23	15:23	261.2	2	C	W SPOT	SPR	-58.9	Suzuki, Kunihiko	263.2	-2.0
32	2021/07/25	16:05	261.5	2	C	W SPOT	SPR	-59.8	Horiuchi, Tadashi	263.0	-1.5
33	2021/07/30	15:17	261.5	2	C	W SPOT	SPR	-59.1	Ota, Satoshi	262.5	-1.0
34	2021/07/30	16:20	261.5	2	C	W SPOT	SPR	-59.1	Miyazaki, Isao	262.5	-1.0
35	2021/08/01	17:15	261.4	2	C	W SPOT	SPR	-59.4	Suzuki, Kunihiko	262.3	-0.9
36	2021/08/04	16:02	260.9	2	C	W SPOT	SPR	-58.9	Kumamori, Teruaki	262.0	-1.1
37	2021/08/06	16:33	260.7	2	C	W SPOT	SPR	-59.3	Suzuki, Kunihiko	261.8	-1.1
38	2021/08/06	16:53	260.1	2	C	W SPOT	SPR		Horikawa, Kuniaki	261.8	-1.7
39	2021/08/09	03:35	261.4	2	C	W SPOT	SPR	-58.9	Carvalho, Fabio	261.5	-0.1
40	2021/08/11	15:19	260.9	2	C	W SPOT	SPR	-59.1	Go, Christopher	261.3	-0.4
41	2021/08/14	14:25	263.3	2	C	W SPOT	SPR	-59.3	Miyazaki, Isao	261.0	+2.3
42	2021/08/16	16:06	264.4	2	C	W SPOT	SPR	-58.7	Miyazaki, Isao	260.8	+3.6
43	2021/08/18	16:58	261.8	2	C	W SPOT	SPR	-58.9	Suzuki, Kunihiko	260.6	+1.2
44	2021/08/19	13:05	261.8	2	C	W SPOT	SPR	-58.5	Ishibashi, Tsutomu	260.5	+1.3
45	2021/08/21	14:24	261.8	2	C	W SPOT	SPR	-59.5	Go, Christopher	260.3	+1.5
46	2021/08/23	15:11	260.6	2	C	W SPOT	SPR	-59.0	Ota, Satoshi	260.1	+0.5
47	2021/08/26	13:16	262.0	2	C	W SPOT	SPR	-59.9	Miyazaki, Isao	259.8	+2.2
48	2021/08/26	13:17	257.7	2	C	W SPOT	SPR		Horikawa, Kuniaki	259.8	-2.1
49	2021/08/28	14:29	260.0	2	C	W SPOT	SPR	-60.0	Go, Christopher	259.6	+0.4
50	2021/08/28	15:25	259.2	2	C	W SPOT	SPR	-60.6	Miyazaki, Isao	259.6	-0.4
51	2021/08/28	14:52	255.7	2	C	W SPOT	SPR		Horikawa, Kuniaki	259.6	-3.9
52	2021/08/30	16:03	257.9	2	C	W SPOT	SPR	-60.1	Miyazaki, Isao	260.4	-2.5
53	2021/08/31	12:23	257.4	2	C	W SPOT	SPR	-60.3	Ito, Satoshi	259.4	-2.0
54	2021/09/01	18:54	254.1	2	C	W SPOT	SPR	-60.4	Foster, Clyde	257.8	-3.7
55	2021/09/02	13:08	254.6	2	C	W SPOT	SPR	-60.9	Miyazaki, Isao	256.8	-2.2
56	2021/09/02	14:49	254.1	2	C	W SPOT	SPR	-60.1	Ota, Satoshi	256.8	-2.7
57	2021/09/04	15:02	251.1	2	C	W SPOT	SPR	-60.9	Miyazaki, Isao	254.3	-3.2
58	2021/09/07	13:05	248.8	2	C	W SPOT	SPR	-60.3	Miyazaki, Isao	250.7	-1.9
59	2021/09/09	13:44	246.5	2	C	W SPOT	SPR	-61.2	Ito, Satoshi	248.2	-1.7
60	2021/09/09	15:36	246.8	2	C	W SPOT	SPR	-60.2	Miyazaki, Isao	248.1	-1.3
61	2021/09/10	10:55	246.0	2	C	W SPOT	SPR	-60.1	Suzuki, Kunihiko	247.1	-1.1
62	2021/09/10	20:02	243.7	2	C	W SPOT	SPR	-60.0	Foster, Clyde	246.6	-2.9
63	2021/09/12	12:25	245.2	2	C	W SPOT	SPR	-59.4	Miyazaki, Isao	244.5	+0.7
64	2021/09/14	13:22	240.9	2	C	W SPOT	SPR	-59.5	Miyazaki, Isao	242.0	-1.1
65	2021/09/16	15:04	239.5	2	C	W SPOT	SPR	-60.3	Miyazaki, Isao	239.4	+0.1
66	2021/09/19	12:16	237.8	2	C	W SPOT	SPR	-60.0	Miyazaki, Isao	235.9	+1.9
67	2021/09/20	17:56	235.3	2	C	W SPOT	SPR	-59.6	Foster, Clyde	234.3	+1.0
68	2021/09/21	03:43	236.1	2	C	W SPOT	SPR	-59.7	Lamy, George	233.8	+2.3
69	2021/09/21	14:05	234.6	2	C	W SPOT	SPR	-60.1	Miyazaki, Isao	233.3	+1.3
70	2021/09/24	11:50	231.7	2	C	W SPOT	SPR	-60.6	Miyazaki, Isao	229.7	+2.0
71	2021/09/26	13:35	229.8	2	C	W SPOT	SPR	-60.2	Miyazaki, Isao	227.1	+2.7
72	2021/09/27	09:33	229.4	2	C	W SPOT	SPR	-60.9	Suzuki, Kunihiko	226.1	+3.3
73	2021/09/28	14:44	228.4	2	C	W SPOT	SPR	-59.8	Miyazaki, Isao	224.6	+3.8
74	2021/09/29	11:06	227.3	2	C	W SPOT	SPR	-60.7	Ito, Satoshi	223.6	+3.7
75	2021/10/01	12:13	224.7	2	C	W SPOT	SPR	-62.3	Miyazaki, Isao	221.0	+3.7
76	2021/10/02	17:37	221.6	2	C	W SPOT	SPR	-62.0	Foster, Clyde	219.5	+2.1
77	2021/10/03	13:27	221.6	2	C	W SPOT	SPR	-61.7	Miyazaki, Isao	218.5	+3.1
78	2021/10/06	10:49	217.8	2	C	W SPOT	SPR	-61.4	Ito, Satoshi	214.9	+2.9
79	2021/10/08	12:20	214.1	2	C	W SPOT	SPR	-61.3	Suzuki, Kunihiko	212.4	+1.7
80	2021/10/11	10:11	209.3	2	C	W SPOT	SPR	-60.7	Ishibashi, Tsutomu	208.8	+0.5
81	2021/10/13	11:44	207.6	2	C	W SPOT	SPR	-60.6	Miyazaki, Isao	206.2	+1.4
82	2021/10/14	17:45	205.6	2	C	W SPOT	SPR	-60.8	Foster, Clyde	204.7	+0.9
83	2021/10/15	12:22	205.6	2	C	W SPOT	SPR	-60.9	Horiuchi, Tadashi	203.7	+1.9
84	2021/10/15	14:03	205.6	2	C	W SPOT	SPR	-59.3	Miyazaki, Isao	203.6	+2.0
85	2021/10/16	10:00	202.5	2	C	W SPOT	SPR	-61.2	Miyazaki, Isao	202.6	-0.1
86	2021/10/18	11:02	200.6	2	C	W SPOT	SPR	-60.7	Go, Christopher	200.1	+0.5
87	2021/10/20	11:13	197.2	2	C	W SPOT	SPR	-61.0	Go, Christopher	197.6	-0.4
88	2021/10/23	09:22	194.0	2	C	W SPOT	SPR	-62.8	Kumamori, Teruaki	194.0	0.0
89	2021/10/25	10:29	191.2	2	C	W SPOT	SPR	-61.6	Miyazaki, Isao	191.4	-0.2
90	2021/10/27	12:44	187.7	2	C	W SPOT	SPR	-61.8	Miyazaki, Isao	188.9	-1.2
91	2021/10/28	08:50	187.5	2	C	W SPOT	SPR	-61.4	Suzuki, Kunihiko	187.8	-0.3
92	2021/10/30	09:48	183.3	2	C	W SPOT	SPR	-61.6	Ito, Satoshi	185.3	-2.0
93	2021/10/30	10:20	183.3	2	C	W SPOT	SPR	-61.3	Ishibashi, Tsutomu	185.3	-2.0
94	2021/11/04	08:56	177.4	2	C	W SPOT	SPR	-60.5	Kumamori, Teruaki	179.2	-1.8
95	2021/11/08	11:34	174.2	2	C	W SPOT	SPR	-60.2	Go, Christopher	174.1	+0.1
96	2021/11/09	08:46	171.3	2	C	W SPOT	SPR	-60.0	Ito, Satoshi	173.0	-1.7
97	2021/11/16	08:31	163.9	2	C	W SPOT	SPR	-62.3	Ishibashi, Tsutomu	164.3	-0.4
98	2021/11/18	10:05	160.3	2	C	W SPOT	SPR	-61.5	Ito, Satoshi	161.8	-1.5
99	2021/11/20	11:52	155.1	2	C	W SPOT	SPR	-61.2	Olivetti, Tiziano	159.2	-4.1
100	2021/11/23	08:49	154.0	2	C	W SPOT	SPR	-61.9	Miyazaki, Isao	155.7	-1.7
101	2021/11/28	07:57	149.7	2	C	W SPOT	SPR	-60.3	Ito, Satoshi	149.4	+0.3
102	2021/12/08	16:55	147.7	2	C	W SPOT	SPR	-60.2	Foster, Clyde	148.8	-1.1
103	2021/12/15	07:56	149.2	2	C	W SPOT	SPR	-58.2	Suzuki, Kunihiko	148.4	+0.8
104	2021/12/22	17:54	148.8	2	C	W SPOT	SPR	-59.4	Foster, Clyde	147.9	+0.9
105	2021/12/24	10:01	146.9	2	C	W SPOT	SPR	-59.8	Miyazaki, Isao	147.8	-0.9