Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/29/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Distance(km) Time Diff (sec)
1 06/29/2023 03:19:08 81.19, 71.58 62.50 06/29/2023 03:18:31 81.18, 71.77 62.49 3.23 37
2 06/29/2023 04:09:53 -81.19,-121.11 117.51 06/29/2023 04:09:17 -81.18,-121.00 117.50 2.03 36
3 06/29/2023 05:00:38 81.19, 46.16 62.51 06/29/2023 05:00:03 81.18, 46.19 62.52 0.71 35
4 06/29/2023 05:51:23 -81.19,-146.54 117.49 06/29/2023 05:50:49 -81.18,-146.58 117.47 0.76 34
5 06/29/2023 06:42:07 81.18, 21.11 62.46 06/29/2023 06:41:34 81.18, 21.00 62.50 2.05 33
6 06/29/2023 07:32:52 -81.18,-171.59 117.54 06/29/2023 07:32:20 -81.18,-171.77 117.49 3.22 32
7 06/29/2023 08:23:38 81.19, -4.70 62.53 06/29/2023 08:23:06 81.18, -4.58 62.53 2.07 32
8 06/29/2023 09:14:22 -81.18, 162.99 117.53 06/29/2023 09:13:51 -81.18, 163.04 117.51 0.92 31
9 06/29/2023 10:05:07 81.18, -29.74 62.49 06/29/2023 10:04:37 81.18, -29.78 62.51 0.68 30
10 06/29/2023 10:55:52 -81.18, 137.56 117.51 06/29/2023 10:55:23 -81.18, 137.45 117.48 1.87 29
11 06/29/2023 11:46:37 81.18, -55.17 62.50 06/29/2023 11:46:09 81.18, -55.36 62.54 3.23 28
12 06/29/2023 12:37:22 -81.18, 112.14 117.50 06/29/2023 12:36:54 -81.18, 112.26 117.50 2.11 28
13 06/29/2023 13:28:07 81.18, -80.59 62.51 06/29/2023 13:27:40 81.18, -80.55 62.52 0.75 27
14 06/29/2023 14:18:52 -81.18, 86.71 117.49 06/29/2023 14:18:26 -81.18, 86.68 117.47 0.54 26
15 06/29/2023 15:09:37 81.19,-106.02 62.52 06/29/2023 15:09:12 81.18,-106.13 62.55 1.89 25
16 06/29/2023 16:00:22 -81.19, 61.29 117.48 06/29/2023 15:59:58 -81.18, 61.10 117.44 3.19 24
17 06/29/2023 16:51:07 81.19,-131.45 62.53 06/29/2023 16:50:43 81.18,-131.32 62.53 2.13 24
18 06/29/2023 17:41:51 -81.19, 35.86 117.47 06/29/2023 17:41:28 -81.18, 35.90 117.46 0.85 23
19 06/29/2023 18:32:36 81.19,-156.88 62.55 06/29/2023 18:32:14 81.18,-156.91 62.56 0.74 22
20 06/29/2023 19:23:20 -81.18, 10.81 117.51 06/29/2023 19:22:59 -81.18, 10.71 117.48 1.89 21
21 06/29/2023 20:14:05 81.18, 178.08 62.50 06/29/2023 20:13:45 81.18, 177.90 62.54 3.11 20
22 06/29/2023 21:04:51 -81.19, -14.99 117.44 06/29/2023 21:04:31 -81.18, -14.87 117.45 2.19 20
23 06/29/2023 21:55:35 81.18, 152.65 62.51 06/29/2023 21:55:16 81.18, 152.71 62.52 1.00 19
24 06/29/2023 22:46:20 -81.18, -40.04 117.49 06/29/2023 22:46:02 -81.18, -40.07 117.47 0.58 18
25 06/29/2023 23:37:05 81.18, 127.23 62.53 06/29/2023 23:36:48 81.18, 127.13 62.55 1.73 17
26 06/30/2023 00:27:50 -81.18, -65.46 117.48 06/30/2023 00:27:34 -81.18, -65.65 117.44 3.10 16
27 06/30/2023 01:18:35 81.18, 101.80 62.54 06/30/2023 01:18:19 81.18, 101.93 62.53 2.27 16
28 06/30/2023 02:09:20 -81.18, -90.89 117.46 06/30/2023 02:09:05 -81.18, -90.84 117.46 0.86 15
29 06/30/2023 03:00:05 81.18, 76.37 62.55 06/30/2023 02:59:51 81.18, 76.35 62.56 0.39 14
30 06/30/2023 03:50:50 -81.18,-116.32 117.45 06/30/2023 03:50:37 -81.18,-116.42 117.43 1.79 13
31 06/30/2023 04:41:35 81.19, 50.94 62.56 06/30/2023 04:41:23 81.18, 50.77 62.59 3.02 12
32 06/30/2023 05:32:20 -81.19,-141.74 117.44 06/30/2023 05:32:08 -81.18,-141.62 117.45 2.18 12
33 06/30/2023 06:23:05 81.19, 25.52 62.58 06/30/2023 06:22:54 81.18, 25.57 62.57 1.08 11
34 06/30/2023 07:13:50 -81.19,-167.17 117.43 06/30/2023 07:13:40 -81.18,-167.20 117.42 0.67 10
35 06/30/2023 08:04:34 81.18, 0.47 62.53 06/30/2023 08:04:25 81.18, 0.38 62.55 1.66 9
36 06/30/2023 08:55:19 -81.18, 167.78 117.47 06/30/2023 08:55:11 -81.18, 167.61 117.44 3.07 8
37 06/30/2023 09:46:05 81.19, -25.34 62.60 06/30/2023 09:45:57 81.18, -25.20 62.58 2.45 8
38 06/30/2023 10:36:49 -81.18, 142.36 117.46 06/30/2023 10:36:42 -81.18, 142.41 117.46 1.03 7
39 06/30/2023 11:27:34 81.18, -50.38 62.56 06/30/2023 11:27:28 81.18, -50.39 62.56 0.33 6
40 06/30/2023 12:18:19 -81.18, 116.93 117.45 06/30/2023 12:18:14 -81.18, 116.83 117.43 1.72 5
41 06/30/2023 13:09:04 81.18, -75.81 62.57 06/30/2023 13:09:00 81.18, -75.98 62.60 2.85 4
42 06/30/2023 13:59:49 -81.18, 91.51 117.43 06/30/2023 13:59:45 -81.18, 91.64 117.45 2.25 4
43 06/30/2023 14:50:34 81.18,-101.24 62.58 06/30/2023 14:50:31 81.18,-101.17 62.57 1.14 3
44 06/30/2023 15:41:19 -81.18, 66.08 117.42 06/30/2023 15:41:17 -81.18, 66.06 117.42 0.40 2
45 06/30/2023 16:32:04 81.19,-126.66 62.60 06/30/2023 16:32:03 81.18,-126.75 62.61 1.52 1
46 06/30/2023 17:22:49 -81.19, 40.65 117.41 06/30/2023 17:22:49 -81.18, 40.47 117.38 3.05 0
47 06/30/2023 18:13:34 81.19,-152.09 62.61 06/30/2023 18:13:34 81.18,-151.95 62.59 2.51 0
48 06/30/2023 19:04:19 -81.19, 15.23 117.40 06/30/2023 19:04:20 -81.18, 15.28 117.40 0.99 1
49 06/30/2023 19:55:04 81.19,-177.52 62.62 06/30/2023 19:55:06 81.18,-177.53 62.62 0.61 2
50 06/30/2023 20:45:48 -81.18, -9.82 117.44 06/30/2023 20:45:51 -81.18, -9.91 117.43 1.75 3
51 06/30/2023 21:36:33 81.18, 157.44 62.58 06/30/2023 21:36:37 81.18, 157.28 62.60 2.72 4
52 06/30/2023 22:27:19 -81.19, -35.63 117.37 06/30/2023 22:27:23 -81.18, -35.50 117.39 2.33 4
53 06/30/2023 23:18:03 81.18, 132.01 62.59 06/30/2023 23:18:08 81.18, 132.08 62.58 1.33 5
54 07/01/2023 00:08:48 -81.18, -60.67 117.41 07/01/2023 00:08:54 -81.18, -60.69 117.41 0.45 6
55 07/01/2023 00:59:33 81.18, 106.58 62.60 07/01/2023 00:59:40 81.18, 106.50 62.61 1.35 7
56 07/01/2023 01:50:18 -81.18, -86.10 117.40 07/01/2023 01:50:26 -81.18, -86.27 117.38 2.96 8
57 07/01/2023 02:41:03 81.18, 81.15 62.62 07/01/2023 02:41:11 81.18, 81.31 62.59 2.64 8
58 07/01/2023 03:31:48 -81.18,-111.53 117.39 07/01/2023 03:31:57 -81.18,-111.47 117.40 0.99 9
59 07/01/2023 04:22:33 81.19, 55.73 62.63 07/01/2023 04:22:43 81.18, 55.73 62.62 0.21 10
60 07/01/2023 05:13:18 -81.19,-136.95 117.38 07/01/2023 05:13:29 -81.18,-137.05 117.37 1.66 11
61 07/01/2023 06:04:02 81.18, 30.68 62.58 07/01/2023 06:04:14 81.18, 30.53 62.60 2.66 12
62 07/01/2023 06:54:48 -81.19,-162.38 117.36 07/01/2023 06:55:00 -81.18,-162.24 117.39 2.32 12
63 07/01/2023 07:45:33 81.19, 4.87 62.65 07/01/2023 07:45:46 81.18, 4.95 62.63 1.45 13
64 07/01/2023 08:36:18 -81.19, 172.19 117.35 07/01/2023 08:36:32 -81.18, 172.17 117.36 0.62 14
65 07/01/2023 09:27:02 81.18, -20.18 62.61 07/01/2023 09:27:17 81.18, -20.24 62.61 1.28 15
66 07/01/2023 10:17:47 -81.18, 147.15 117.39 07/01/2023 10:18:03 -81.18, 146.98 117.38 2.93 16
67 07/01/2023 11:08:32 81.18, -45.60 62.62 07/01/2023 11:08:48 81.18, -45.44 62.59 2.81 16
68 07/01/2023 11:59:17 -81.18, 121.72 117.38 07/01/2023 11:59:34 -81.18, 121.78 117.40 1.13 17
69 07/01/2023 12:50:02 81.18, -71.03 62.64 07/01/2023 12:50:20 81.18, -71.02 62.63 0.22 18
70 07/01/2023 13:40:47 -81.18, 96.29 117.37 07/01/2023 13:41:06 -81.18, 96.20 117.36 1.59 19
71 07/01/2023 14:31:32 81.18, -96.46 62.65 07/01/2023 14:31:52 81.18, -96.60 62.66 2.48 20
72 07/01/2023 15:22:17 -81.18, 70.87 117.35 07/01/2023 15:22:37 -81.18, 71.01 117.38 2.38 20
73 07/01/2023 16:13:02 81.19,-121.89 62.66 07/01/2023 16:13:23 81.18,-121.80 62.64 1.51 21
74 07/01/2023 17:03:47 -81.18, 45.44 117.34 07/01/2023 17:04:09 -81.18, 45.42 117.35 0.30 22
75 07/01/2023 17:54:32 81.19,-147.31 62.68 07/01/2023 17:54:55 81.18,-147.38 62.67 1.19 23
76 07/01/2023 18:45:17 -81.19, 20.01 117.33 07/01/2023 18:45:41 -81.18, 19.84 117.32 2.93 24
77 07/01/2023 19:36:02 81.19,-172.74 62.69 07/01/2023 19:36:26 81.18,-172.58 62.65 2.89 24
78 07/01/2023 20:26:46 -81.19, -5.41 117.32 07/01/2023 20:27:11 -81.18, -5.35 117.34 1.13 25
79 07/01/2023 21:17:30 81.18, 162.21 62.65 07/01/2023 21:17:56 81.18, 162.23 62.63 0.61 26
80 07/01/2023 22:08:15 -81.18, -30.46 117.36 07/01/2023 22:08:42 -81.18, -30.55 117.36 1.60 27
81 07/01/2023 22:59:00 81.18, 136.78 62.66 07/01/2023 22:59:28 81.18, 136.65 62.66 2.35 28
82 07/01/2023 23:49:46 -81.19, -56.27 117.29 07/01/2023 23:50:14 -81.18, -56.13 117.33 2.47 28
83 07/02/2023 00:40:30 81.18, 111.36 62.67 07/02/2023 00:40:59 81.18, 111.45 62.64 1.66 29
84 07/02/2023 01:31:15 -81.18, -81.31 117.33 07/02/2023 01:31:45 -81.18, -81.33 117.35 0.31 30
85 07/02/2023 02:22:00 81.18, 85.93 62.69 07/02/2023 02:22:31 81.18, 85.87 62.68 0.99 31
86 07/02/2023 03:12:45 -81.18,-106.74 117.32 07/02/2023 03:13:17 -81.18,-106.91 117.31 2.84 32
87 07/02/2023 04:03:30 81.19, 60.50 62.70 07/02/2023 04:04:02 81.18, 60.68 62.66 3.00 32
88 07/02/2023 04:54:15 -81.18,-132.17 117.31 07/02/2023 04:54:48 -81.18,-132.10 117.33 1.11 33
89 07/02/2023 05:45:00 81.19, 35.07 62.71 07/02/2023 05:45:34 81.18, 35.09 62.69 0.48 34
90 07/02/2023 06:35:45 -81.19,-157.59 117.29 07/02/2023 06:36:20 -81.18,-157.68 117.30 1.55 35
91 07/02/2023 07:26:29 81.18, 10.03 62.67 07/02/2023 07:27:05 81.18, 9.90 62.67 2.29 36
92 07/02/2023 08:17:15 -81.19, 176.98 117.28 07/02/2023 08:17:51 -81.18, 177.12 117.32 2.45 36
93 07/02/2023 09:08:00 81.19, -15.78 62.74 07/02/2023 09:08:37 81.18, -15.68 62.70 1.82 37
94 07/02/2023 09:58:44 -81.18, 151.93 117.32 07/02/2023 09:59:22 -81.18, 151.92 117.34 0.63 38
95 07/02/2023 10:49:29 81.18, -40.83 62.70 07/02/2023 10:50:08 81.18, -40.88 62.68 0.92 39
96 07/02/2023 11:40:14 -81.18, 126.50 117.31 07/02/2023 11:40:54 -81.18, 126.34 117.31 2.80 40
97 07/02/2023 12:30:59 81.18, -66.26 62.71 07/02/2023 12:31:39 81.18, -66.07 62.66 3.15 40
98 07/02/2023 13:21:44 -81.18, 101.08 117.29 07/02/2023 13:22:25 -81.18, 101.15 117.33 1.22 41
99 07/02/2023 14:12:29 81.18, -91.69 62.72 07/02/2023 14:13:11 81.18, -91.66 62.70 0.51 42
100 07/02/2023 15:03:14 -81.18, 75.65 117.28 07/02/2023 15:03:57 -81.18, 75.56 117.29 1.46 43
101 07/02/2023 15:53:59 81.18,-117.11 62.74 07/02/2023 15:54:43 81.18,-117.24 62.73 2.14 44
102 07/02/2023 16:44:44 -81.18, 50.22 117.27 07/02/2023 16:45:28 -81.18, 50.37 117.31 2.49 44
103 07/02/2023 17:35:29 81.19,-142.54 62.75 07/02/2023 17:36:14 81.18,-142.43 62.71 1.87 45
104 07/02/2023 18:26:14 -81.19, 24.79 117.25 07/02/2023 18:27:00 -81.18, 24.79 117.28 0.27 46
105 07/02/2023 19:16:59 81.19,-167.97 62.77 07/02/2023 19:17:46 81.18,-168.02 62.74 0.92 47
106 07/02/2023 20:07:43 -81.18, -0.25 117.30 07/02/2023 20:08:31 -81.18, -0.41 117.30 2.81 48
107 07/02/2023 20:58:29 81.19, 166.60 62.78 07/02/2023 20:59:17 81.18, 166.79 62.72 3.25 48
108 07/02/2023 21:49:14 -81.19, -26.06 117.23 07/02/2023 21:50:03 -81.18, -25.99 117.27 1.27 49
109 07/02/2023 22:39:58 81.18, 141.55 62.74 07/02/2023 22:40:48 81.18, 141.59 62.70 0.76 50
110 07/02/2023 23:30:43 -81.18, -51.11 117.27 07/02/2023 23:31:34 -81.18, -51.19 117.29 1.47 51
111 07/03/2023 00:21:28 81.18, 116.13 62.75 07/03/2023 00:22:20 81.18, 116.01 62.74 2.00 52
112 07/03/2023 01:12:13 -81.18, -76.53 117.26 07/03/2023 01:13:05 -81.18, -76.38 117.30 2.58 52
113 07/03/2023 02:02:58 81.18, 90.70 62.76 07/03/2023 02:03:51 81.18, 90.81 62.72 1.99 53
114 07/03/2023 02:53:43 -81.18,-101.96 117.24 07/03/2023 02:54:37 -81.18,-101.97 117.27 0.17 54
115 07/03/2023 03:44:28 81.18, 65.27 62.78 07/03/2023 03:45:23 81.18, 65.23 62.75 0.66 55
116 07/03/2023 04:35:13 -81.18,-127.39 117.23 07/03/2023 04:36:09 -81.18,-127.55 117.24 2.73 56
117 07/03/2023 05:25:58 81.19, 39.84 62.79 07/03/2023 05:26:55 81.18, 39.65 62.78 3.30 57
118 07/03/2023 06:16:43 -81.19,-152.82 117.21 07/03/2023 06:17:40 -81.18,-152.75 117.26 1.23 57
119 07/03/2023 07:07:28 81.19, 14.41 62.81 07/03/2023 07:08:26 81.18, 14.45 62.77 0.82 58
120 07/03/2023 07:58:13 -81.19,-178.24 117.20 07/03/2023 07:59:12 -81.18,-178.33 117.22 1.47 59
121 07/03/2023 08:48:57 81.18, -10.63 62.76 07/03/2023 08:49:57 81.18, -10.74 62.75 1.93 60
122 07/03/2023 09:39:43 -81.19, 156.33 117.19 07/03/2023 09:40:43 -81.18, 156.48 117.24 2.57 60
123 07/03/2023 10:30:27 81.18, -36.06 62.78 07/03/2023 10:31:28 81.18, -35.94 62.73 2.17 61
124 07/03/2023 11:21:12 -81.18, 131.28 117.23 07/03/2023 11:22:14 -81.18, 131.28 117.26 0.51 62
125 07/03/2023 12:11:57 81.18, -61.49 62.79 07/03/2023 12:13:00 81.18, -61.52 62.76 0.56 63
126 07/03/2023 13:02:42 -81.18, 105.85 117.21 07/03/2023 13:03:46 -81.18, 105.70 117.23 2.68 64
127 07/03/2023 13:53:27 81.18, -86.92 62.81 07/03/2023 13:54:32 81.18, -87.10 62.79 3.15 65
128 07/03/2023 14:44:12 -81.18, 80.43 117.20 07/03/2023 14:45:17 -81.18, 80.50 117.25 1.30 65
129 07/03/2023 15:34:57 81.18,-112.35 62.82 07/03/2023 15:36:03 81.18,-112.30 62.78 0.84 66
130 07/03/2023 16:25:42 -81.18, 55.00 117.19 07/03/2023 16:26:49 -81.18, 54.92 117.21 1.36 67
131 07/03/2023 17:16:27 81.19,-137.78 62.83 07/03/2023 17:17:35 81.18,-137.88 62.81 1.83 68
132 07/03/2023 18:07:12 -81.19, 29.57 117.17 07/03/2023 18:08:20 -81.18, 29.72 117.23 2.59 68
133 07/03/2023 18:57:57 81.19,-163.21 62.85 07/03/2023 18:59:06 81.18,-163.08 62.79 2.22 69
134 07/03/2023 19:48:42 -81.19, 4.14 117.16 07/03/2023 19:49:52 -81.18, 4.14 117.20 0.33 70
135 07/03/2023 20:39:26 81.18, 171.75 62.81 07/03/2023 20:40:37 81.18, 171.73 62.77 0.69 71
136 07/03/2023 21:30:11 -81.18, -20.91 117.20 07/03/2023 21:31:23 -81.18, -21.06 117.22 2.69 72
137 07/03/2023 22:20:56 81.18, 146.32 62.82 07/03/2023 22:22:09 81.18, 146.14 62.80 3.03 73
138 07/03/2023 23:11:42 -81.19, -46.71 117.13 07/03/2023 23:12:55 -81.18, -46.64 117.18 1.41 73
139 07/04/2023 00:02:25 81.18, 120.89 62.83 07/04/2023 00:03:39 81.18, 120.95 62.79 1.01 74
140 07/04/2023 00:53:10 -81.18, -71.76 117.17 07/04/2023 00:54:25 -81.18, -71.84 117.20 1.34 75

Figure of NOAA-21 and FY3D satellite orbits during SNOs since TLE Epoch: 6/29/2023
SNOs_Map_NOAA-21_FY3D_20230629.jpg

Download SNOs between NOAA-21 and FY3D since TLE EPOCH: 06/29/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and FY3D