Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/15/2021
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 05/15/2021 03:25:59 -81.22,-112.26 113.15 05/15/2021 03:26:15 -81.23,-112.45 113.13 3.16 16
2 05/15/2021 04:16:45 81.23, 54.68 66.90 05/15/2021 04:17:00 81.23, 54.83 66.87 2.68 15
3 05/15/2021 05:07:28 -81.22,-137.65 113.16 05/15/2021 05:07:45 -81.23,-137.84 113.14 3.19 17
4 05/15/2021 05:58:14 81.23, 29.29 66.89 05/15/2021 05:58:30 81.23, 29.44 66.86 2.65 16
5 05/15/2021 06:48:57 -81.22,-163.04 113.17 05/15/2021 06:49:15 -81.23,-163.23 113.16 3.21 18
6 05/15/2021 07:39:43 81.23, 3.90 66.88 05/15/2021 07:40:00 81.23, 4.05 66.84 2.63 17
7 05/15/2021 08:30:26 -81.22, 171.57 113.19 05/15/2021 08:30:45 -81.23, 171.38 113.17 3.23 19
8 05/15/2021 09:21:12 81.23, -21.49 66.86 05/15/2021 09:21:30 81.23, -21.34 66.83 2.60 18
9 05/15/2021 10:11:55 -81.23, 146.18 113.20 05/15/2021 10:12:15 -81.23, 145.99 113.19 3.25 20
10 05/15/2021 11:02:41 81.23, -46.88 66.85 05/15/2021 11:03:00 81.23, -46.73 66.82 2.57 19
11 05/15/2021 11:53:24 -81.23, 120.79 113.21 05/15/2021 11:53:45 -81.23, 120.60 113.20 3.27 21
12 05/15/2021 12:44:10 81.23, -72.27 66.84 05/15/2021 12:44:30 81.23, -72.12 66.80 2.55 20
13 05/15/2021 13:34:53 -81.23, 95.40 113.23 05/15/2021 13:35:15 -81.23, 95.21 113.21 3.29 22
14 05/15/2021 14:25:39 81.23, -97.66 66.82 05/15/2021 14:26:00 81.23, -97.52 66.79 2.53 21
15 05/15/2021 15:16:22 -81.23, 70.01 113.24 05/15/2021 15:16:44 -81.22, 70.20 113.28 3.29 22
16 05/15/2021 16:07:07 81.23,-122.67 66.75 05/15/2021 16:07:29 81.22,-122.52 66.72 2.51 22
17 05/15/2021 16:57:51 -81.23, 44.62 113.25 05/15/2021 16:58:14 -81.22, 44.81 113.30 3.28 23
18 05/15/2021 17:48:36 81.23,-148.06 66.74 05/15/2021 17:48:59 81.22,-147.91 66.71 2.49 23
19 05/15/2021 18:39:20 -81.23, 19.23 113.27 05/15/2021 18:39:44 -81.22, 19.42 113.31 3.27 24
20 05/15/2021 19:30:05 81.23,-173.45 66.73 05/15/2021 19:30:29 81.22,-173.30 66.69 2.47 24
21 05/15/2021 20:20:49 -81.23, -6.16 113.28 05/15/2021 20:21:14 -81.22, -5.97 113.32 3.26 25
22 05/15/2021 21:11:34 81.23, 161.16 66.71 05/15/2021 21:11:59 81.22, 161.30 66.68 2.45 25
23 05/15/2021 22:02:18 -81.23, -31.55 113.29 05/15/2021 22:02:44 -81.22, -31.36 113.34 3.25 26
24 05/15/2021 22:53:03 81.23, 135.77 66.70 05/15/2021 22:53:29 81.22, 135.91 66.66 2.44 26
25 05/15/2021 23:43:47 -81.23, -56.94 113.31 05/15/2021 23:44:14 -81.22, -56.75 113.35 3.24 27
26 05/16/2021 00:34:32 81.23, 110.38 66.69 05/16/2021 00:34:59 81.22, 110.52 66.65 2.43 27
27 05/16/2021 01:25:16 -81.23, -82.33 113.32 05/16/2021 01:25:44 -81.22, -82.14 113.37 3.23 28
28 05/16/2021 02:16:01 81.23, 84.99 66.67 05/16/2021 02:16:29 81.22, 85.13 66.64 2.42 28
29 05/16/2021 03:06:45 -81.23,-107.72 113.33 05/16/2021 03:07:14 -81.22,-107.53 113.38 3.23 29
30 05/16/2021 03:57:30 81.23, 59.60 66.66 05/16/2021 03:57:59 81.22, 59.74 66.62 2.41 29
31 05/16/2021 04:48:14 -81.23,-133.11 113.35 05/16/2021 04:48:44 -81.22,-132.92 113.39 3.23 30
32 05/16/2021 05:38:59 81.23, 34.21 66.65 05/16/2021 05:39:29 81.22, 34.35 66.61 2.40 30
33 05/16/2021 06:29:43 -81.23,-158.50 113.36 05/16/2021 06:30:14 -81.22,-158.32 113.41 3.22 31
34 05/16/2021 07:20:28 81.23, 8.82 66.64 05/16/2021 07:20:59 81.22, 8.95 66.60 2.39 31
35 05/16/2021 08:11:11 -81.23, 176.11 113.37 05/16/2021 08:11:43 -81.22, 176.29 113.42 3.22 32
36 05/16/2021 09:01:56 81.23, -16.58 66.62 05/16/2021 09:02:28 81.23, -16.44 66.58 2.39 32
37 05/16/2021 09:52:40 -81.23, 150.71 113.39 05/16/2021 09:53:13 -81.22, 150.90 113.43 3.23 33
38 05/16/2021 10:43:25 81.23, -41.97 66.61 05/16/2021 10:43:58 81.23, -41.83 66.57 2.38 33
39 05/16/2021 11:34:09 -81.23, 125.32 113.40 05/16/2021 11:34:43 -81.22, 125.51 113.45 3.23 34
40 05/16/2021 12:24:54 81.23, -67.36 66.60 05/16/2021 12:25:28 81.23, -67.22 66.56 2.38 34
41 05/16/2021 13:15:38 -81.23, 99.93 113.41 05/16/2021 13:16:13 -81.23, 100.12 113.46 3.23 35
42 05/16/2021 14:06:23 81.23, -92.75 66.58 05/16/2021 14:06:58 81.23, -92.61 66.54 2.38 35
43 05/16/2021 14:57:07 -81.23, 74.54 113.43 05/16/2021 14:57:43 -81.23, 74.73 113.47 3.24 36
44 05/16/2021 15:47:52 81.23,-118.14 66.57 05/16/2021 15:48:28 81.23,-118.00 66.53 2.38 36
45 05/16/2021 16:38:36 -81.23, 49.15 113.44 05/16/2021 16:39:13 -81.23, 49.34 113.49 3.25 37
46 05/16/2021 17:29:21 81.23,-143.54 66.56 05/16/2021 17:29:58 81.23,-143.40 66.52 2.39 37
47 05/16/2021 18:20:05 -81.23, 23.76 113.45 05/16/2021 18:20:43 -81.23, 23.95 113.50 3.26 38
48 05/16/2021 19:10:50 81.23,-168.93 66.55 05/16/2021 19:11:28 81.23,-168.79 66.50 2.39 38
49 05/16/2021 20:01:34 -81.23, -1.63 113.46 05/16/2021 20:02:13 -81.23, -1.44 113.51 3.27 39
50 05/16/2021 20:52:19 81.23, 165.68 66.53 05/16/2021 20:52:58 81.23, 165.82 66.49 2.40 39
51 05/16/2021 21:43:03 -81.23, -27.03 113.48 05/16/2021 21:43:43 -81.23, -26.83 113.53 3.28 40
52 05/16/2021 22:33:48 81.23, 140.29 66.52 05/16/2021 22:34:28 81.23, 140.43 66.48 2.41 40
53 05/16/2021 23:24:32 -81.23, -52.42 113.49 05/16/2021 23:25:14 -81.24, -52.61 113.48 3.30 42
54 05/17/2021 00:15:17 81.23, 114.90 66.51 05/17/2021 00:15:58 81.23, 115.04 66.46 2.42 41
55 05/17/2021 01:06:01 -81.23, -77.81 113.50 05/17/2021 01:06:44 -81.24, -78.00 113.50 3.28 43
56 05/17/2021 01:56:46 81.23, 89.50 66.50 05/17/2021 01:57:28 81.23, 89.65 66.45 2.43 42
57 05/17/2021 02:47:30 -81.23,-103.20 113.51 05/17/2021 02:48:14 -81.24,-103.39 113.51 3.26 44
58 05/17/2021 03:38:15 81.23, 64.11 66.48 05/17/2021 03:38:58 81.23, 64.25 66.44 2.44 43
59 05/17/2021 04:28:59 -81.23,-128.59 113.53 05/17/2021 04:29:44 -81.24,-128.78 113.52 3.24 45
60 05/17/2021 05:19:44 81.23, 38.72 66.47 05/17/2021 05:20:28 81.23, 38.86 66.42 2.46 44
61 05/17/2021 06:10:28 -81.23,-153.99 113.54 05/17/2021 06:11:14 -81.24,-154.17 113.54 3.22 46
62 05/17/2021 07:01:13 81.23, 13.32 66.46 05/17/2021 07:01:58 81.23, 13.47 66.41 2.47 45
63 05/17/2021 07:51:56 -81.23,-178.99 113.61 05/17/2021 07:52:43 -81.23,-179.18 113.61 3.20 47
64 05/17/2021 08:42:42 81.23, -12.07 66.45 05/17/2021 08:43:28 81.23, -11.92 66.40 2.49 46
65 05/17/2021 09:33:25 -81.23, 155.62 113.62 05/17/2021 09:34:13 -81.23, 155.43 113.62 3.18 48
66 05/17/2021 10:24:11 81.23, -37.46 66.43 05/17/2021 10:24:58 81.23, -37.31 66.39 2.51 47
67 05/17/2021 11:14:54 -81.23, 130.22 113.63 05/17/2021 11:15:43 -81.23, 130.04 113.63 3.15 49
68 05/17/2021 12:05:40 81.23, -62.86 66.42 05/17/2021 12:06:28 81.23, -62.71 66.37 2.54 48
69 05/17/2021 12:56:23 -81.23, 104.83 113.64 05/17/2021 12:57:13 -81.23, 104.65 113.65 3.12 50
70 05/17/2021 13:47:09 81.23, -88.25 66.41 05/17/2021 13:47:58 81.23, -88.10 66.36 2.56 49
71 05/17/2021 14:37:52 -81.23, 79.44 113.66 05/17/2021 14:38:43 -81.23, 79.26 113.66 3.10 51
72 05/17/2021 15:28:38 81.23,-113.64 66.40 05/17/2021 15:29:28 81.23,-113.49 66.35 2.58 50
73 05/17/2021 16:19:21 -81.23, 54.04 113.67 05/17/2021 16:20:13 -81.23, 53.86 113.67 3.06 52
74 05/17/2021 17:10:07 81.23,-139.04 66.39 05/17/2021 17:10:58 81.23,-138.88 66.33 2.61 51
75 05/17/2021 18:00:50 -81.23, 28.65 113.68 05/17/2021 18:01:43 -81.23, 28.47 113.68 3.03 53
76 05/17/2021 18:51:36 81.23,-164.43 66.37 05/17/2021 18:52:28 81.23,-164.27 66.32 2.64 52
77 05/17/2021 19:42:19 -81.23, 3.26 113.69 05/17/2021 19:43:13 -81.23, 3.08 113.70 3.00 54
78 05/17/2021 20:33:05 81.23, 170.18 66.36 05/17/2021 20:33:58 81.23, 170.33 66.31 2.67 53
79 05/17/2021 21:23:48 -81.23, -22.14 113.70 05/17/2021 21:24:43 -81.23, -22.31 113.71 2.96 55
80 05/17/2021 22:14:34 81.23, 144.78 66.35 05/17/2021 22:15:28 81.23, 144.94 66.30 2.70 54
81 05/17/2021 23:05:17 -81.23, -47.53 113.72 05/17/2021 23:06:13 -81.23, -47.70 113.72 2.93 56
82 05/17/2021 23:56:03 81.23, 119.39 66.34 05/17/2021 23:56:58 81.23, 119.55 66.28 2.73 55
83 05/18/2021 00:46:46 -81.23, -72.92 113.73 05/18/2021 00:47:43 -81.23, -73.09 113.74 2.89 57
84 05/18/2021 01:37:32 81.23, 93.99 66.33 05/18/2021 01:38:28 81.23, 94.16 66.27 2.77 56
85 05/18/2021 02:28:15 -81.23, -98.32 113.74 05/18/2021 02:29:13 -81.23, -98.48 113.75 2.85 58
86 05/18/2021 03:19:01 81.24, 68.60 66.31 05/18/2021 03:19:58 81.23, 68.77 66.26 2.81 57
87 05/18/2021 04:09:44 -81.23,-123.71 113.75 05/18/2021 04:10:43 -81.23,-123.87 113.76 2.81 59
88 05/18/2021 05:00:29 81.23, 43.60 66.25 05/18/2021 05:01:27 81.23, 43.76 66.19 2.84 58
89 05/18/2021 05:51:13 -81.23,-149.10 113.76 05/18/2021 05:52:13 -81.23,-149.27 113.77 2.77 60
90 05/18/2021 06:41:58 81.23, 18.20 66.24 05/18/2021 06:42:57 81.23, 18.37 66.18 2.88 59
91 05/18/2021 07:32:42 -81.23,-174.50 113.78 05/18/2021 07:33:43 -81.23,-174.66 113.79 2.72 61
92 05/18/2021 08:23:27 81.23, -7.19 66.22 05/18/2021 08:24:27 81.23, -7.02 66.16 2.92 60
93 05/18/2021 09:14:11 -81.23, 160.11 113.79 05/18/2021 09:15:13 -81.23, 159.95 113.80 2.68 62
94 05/18/2021 10:04:56 81.23, -32.59 66.21 05/18/2021 10:05:57 81.23, -32.42 66.15 2.96 61
95 05/18/2021 10:55:39 -81.23, 134.71 113.80 05/18/2021 10:56:42 -81.23, 134.56 113.81 2.63 63
96 05/18/2021 11:46:24 81.23, -57.98 66.20 05/18/2021 11:47:26 81.23, -57.81 66.14 3.01 62
97 05/18/2021 12:37:08 -81.23, 109.32 113.81 05/18/2021 12:38:12 -81.23, 109.17 113.82 2.58 64
98 05/18/2021 13:27:53 81.23, -83.38 66.19 05/18/2021 13:28:56 81.23, -83.20 66.13 3.05 63
99 05/18/2021 14:18:37 -81.23, 83.93 113.82 05/18/2021 14:19:42 -81.24, 83.78 113.84 2.53 65
100 05/18/2021 15:09:22 81.23,-108.77 66.18 05/18/2021 15:10:26 81.23,-108.59 66.11 3.10 64
101 05/18/2021 16:00:06 -81.23, 58.53 113.83 05/18/2021 16:01:12 -81.24, 58.39 113.85 2.48 66
102 05/18/2021 16:50:51 81.23,-134.17 66.17 05/18/2021 16:51:56 81.23,-133.98 66.10 3.15 65
103 05/18/2021 17:41:35 -81.23, 33.14 113.84 05/18/2021 17:42:42 -81.24, 32.99 113.86 2.43 67
104 05/18/2021 18:32:20 81.23,-159.56 66.15 05/18/2021 18:33:26 81.23,-159.38 66.09 3.20 66
105 05/18/2021 19:23:04 -81.23, 7.74 113.86 05/18/2021 19:24:12 -81.24, 7.60 113.88 2.37 68
106 05/18/2021 20:13:49 81.23, 175.04 66.14 05/18/2021 20:14:56 81.23, 175.23 66.08 3.25 67
107 05/18/2021 21:04:33 -81.23, -17.65 113.87 05/18/2021 21:05:42 -81.24, -17.79 113.89 2.31 69
108 05/18/2021 21:55:18 81.23, 149.65 66.13 05/18/2021 21:56:26 81.23, 149.84 66.06 3.30 68
109 05/18/2021 22:46:02 -81.23, -43.05 113.88 05/18/2021 22:47:12 -81.24, -43.18 113.90 2.26 70
110 05/18/2021 23:36:47 81.23, 124.25 66.12 05/18/2021 23:37:57 81.24, 124.06 66.11 3.26 70
111 05/19/2021 00:27:31 -81.23, -68.44 113.89 05/19/2021 00:28:42 -81.24, -68.57 113.91 2.20 71
112 05/19/2021 01:18:16 81.23, 98.85 66.11 05/19/2021 01:19:27 81.24, 98.67 66.10 3.21 71
113 05/19/2021 02:09:00 -81.23, -93.84 113.90 05/19/2021 02:10:12 -81.24, -93.96 113.92 2.14 72
114 05/19/2021 02:59:45 81.23, 73.46 66.10 05/19/2021 03:00:57 81.24, 73.27 66.08 3.15 72
115 05/19/2021 03:50:29 -81.23,-119.23 113.91 05/19/2021 03:51:42 -81.24,-119.36 113.94 2.08 73
116 05/19/2021 04:41:14 81.23, 48.06 66.09 05/19/2021 04:42:27 81.24, 47.88 66.07 3.09 73
117 05/19/2021 05:31:58 -81.23,-144.63 113.92 05/19/2021 05:33:12 -81.24,-144.75 113.95 2.01 74
118 05/19/2021 06:22:43 81.24, 22.67 66.08 05/19/2021 06:23:57 81.24, 22.49 66.06 3.03 74
119 05/19/2021 07:13:27 -81.24,-170.03 113.94 05/19/2021 07:14:42 -81.24,-170.14 113.96 1.95 75
120 05/19/2021 08:04:11 81.23, -2.34 66.01 05/19/2021 08:05:26 81.23, -2.52 65.99 2.96 75

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 5/15/2021
SNOs_Map_FY3D_NPP_20210515.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 05/15/2021 in txt file.

Historial Predications of SNOs between FY3D and NPP