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 22:53:03 81.23, 135.76 66.70 05/15/2021 22:53:29 81.22, 135.86 66.67 1.78 26
2 05/15/2021 23:43:47 -81.23, -56.97 113.30 05/15/2021 23:44:14 -81.22, -56.81 113.34 2.73 27
3 05/16/2021 00:34:32 81.23, 110.37 66.69 05/16/2021 00:34:59 81.22, 110.47 66.66 1.72 27
4 05/16/2021 01:25:16 -81.23, -82.36 113.32 05/16/2021 01:25:44 -81.22, -82.20 113.36 2.68 28
5 05/16/2021 02:16:01 81.23, 84.98 66.68 05/16/2021 02:16:29 81.23, 85.08 66.65 1.67 28
6 05/16/2021 03:06:45 -81.23,-107.75 113.33 05/16/2021 03:07:14 -81.22,-107.59 113.37 2.63 29
7 05/16/2021 03:57:30 81.23, 59.59 66.66 05/16/2021 03:57:59 81.23, 59.68 66.63 1.61 29
8 05/16/2021 04:48:14 -81.23,-133.14 113.34 05/16/2021 04:48:44 -81.23,-132.99 113.38 2.58 30
9 05/16/2021 05:38:59 81.23, 34.20 66.65 05/16/2021 05:39:29 81.23, 34.29 66.62 1.55 30
10 05/16/2021 06:29:43 -81.23,-158.52 113.36 05/16/2021 06:30:14 -81.23,-158.38 113.40 2.53 31
11 05/16/2021 07:20:28 81.23, 8.81 66.64 05/16/2021 07:20:59 81.23, 8.90 66.61 1.50 31
12 05/16/2021 08:11:12 -81.23, 176.09 113.37 05/16/2021 08:11:44 -81.23, 176.23 113.41 2.48 32
13 05/16/2021 09:01:57 81.23, -16.58 66.62 05/16/2021 09:02:29 81.23, -16.49 66.59 1.44 32
14 05/16/2021 09:52:41 -81.23, 150.70 113.38 05/16/2021 09:53:14 -81.23, 150.84 113.42 2.43 33
15 05/16/2021 10:43:26 81.23, -41.96 66.61 05/16/2021 10:43:59 81.23, -41.88 66.58 1.38 33
16 05/16/2021 11:34:10 -81.23, 125.31 113.40 05/16/2021 11:34:44 -81.23, 125.45 113.44 2.38 34
17 05/16/2021 12:24:55 81.23, -67.35 66.60 05/16/2021 12:25:29 81.23, -67.27 66.56 1.33 34
18 05/16/2021 13:15:39 -81.23, 99.92 113.41 05/16/2021 13:16:14 -81.23, 100.06 113.45 2.33 35
19 05/16/2021 14:06:24 81.23, -92.74 66.58 05/16/2021 14:06:59 81.23, -92.67 66.55 1.27 35
20 05/16/2021 14:57:07 -81.23, 74.54 113.42 05/16/2021 14:57:43 -81.23, 74.67 113.46 2.28 36
21 05/16/2021 15:47:52 81.23,-118.13 66.57 05/16/2021 15:48:28 81.23,-118.06 66.54 1.22 36
22 05/16/2021 16:38:36 -81.23, 49.15 113.44 05/16/2021 16:39:13 -81.23, 49.28 113.48 2.24 37
23 05/16/2021 17:29:21 81.23,-143.52 66.56 05/16/2021 17:29:58 81.23,-143.45 66.52 1.17 37
24 05/16/2021 18:20:05 -81.23, 23.76 113.45 05/16/2021 18:20:43 -81.23, 23.89 113.49 2.19 38
25 05/16/2021 19:10:50 81.23,-168.91 66.54 05/16/2021 19:11:28 81.23,-168.84 66.51 1.11 38
26 05/16/2021 20:01:34 -81.23, -1.63 113.46 05/16/2021 20:02:13 -81.23, -1.50 113.50 2.14 39
27 05/16/2021 20:52:19 81.23, 165.70 66.53 05/16/2021 20:52:58 81.23, 165.77 66.50 1.06 39
28 05/16/2021 21:43:03 -81.23, -27.02 113.48 05/16/2021 21:43:43 -81.23, -26.90 113.52 2.09 40
29 05/16/2021 22:33:48 81.23, 140.32 66.52 05/16/2021 22:34:28 81.23, 140.37 66.49 1.01 40
30 05/16/2021 23:24:32 -81.23, -52.41 113.49 05/16/2021 23:25:13 -81.23, -52.29 113.53 2.05 41
31 05/17/2021 00:15:17 81.23, 114.93 66.50 05/17/2021 00:15:58 81.23, 114.98 66.47 0.95 41
32 05/17/2021 01:06:01 -81.23, -77.79 113.50 05/17/2021 01:06:43 -81.23, -77.68 113.54 2.00 42
33 05/17/2021 01:56:46 81.23, 89.54 66.49 05/17/2021 01:57:28 81.23, 89.59 66.46 0.90 42
34 05/17/2021 02:47:30 -81.23,-103.18 113.52 05/17/2021 02:48:13 -81.23,-103.07 113.56 1.95 43
35 05/17/2021 03:38:15 81.23, 64.15 66.48 05/17/2021 03:38:58 81.23, 64.20 66.45 0.85 43
36 05/17/2021 04:28:59 -81.23,-128.57 113.53 05/17/2021 04:29:43 -81.23,-128.46 113.57 1.91 44
37 05/17/2021 05:19:44 81.23, 38.76 66.46 05/17/2021 05:20:28 81.23, 38.81 66.43 0.80 44
38 05/17/2021 06:10:28 -81.23,-153.96 113.54 05/17/2021 06:11:13 -81.23,-153.85 113.58 1.86 45
39 05/17/2021 07:01:13 81.23, 13.37 66.45 05/17/2021 07:01:58 81.23, 13.41 66.42 0.75 45
40 05/17/2021 07:51:57 -81.23,-179.35 113.56 05/17/2021 07:52:43 -81.23,-179.24 113.60 1.81 46
41 05/17/2021 08:42:42 81.23, -12.02 66.44 05/17/2021 08:43:28 81.23, -11.98 66.41 0.70 46
42 05/17/2021 09:33:26 -81.23, 155.26 113.57 05/17/2021 09:34:13 -81.23, 155.37 113.61 1.77 47
43 05/17/2021 10:24:11 81.23, -37.41 66.43 05/17/2021 10:24:58 81.23, -37.37 66.39 0.65 47
44 05/17/2021 11:14:55 -81.23, 129.87 113.58 05/17/2021 11:15:43 -81.23, 129.98 113.62 1.72 48
45 05/17/2021 12:05:40 81.23, -62.80 66.41 05/17/2021 12:06:28 81.23, -62.76 66.38 0.60 48
46 05/17/2021 12:56:24 -81.23, 104.49 113.59 05/17/2021 12:57:13 -81.23, 104.58 113.64 1.68 49
47 05/17/2021 13:47:09 81.23, -88.19 66.40 05/17/2021 13:47:58 81.23, -88.15 66.37 0.55 49
48 05/17/2021 14:37:53 -81.23, 79.10 113.61 05/17/2021 14:38:43 -81.23, 79.19 113.65 1.63 50
49 05/17/2021 15:28:38 81.23,-113.58 66.39 05/17/2021 15:29:28 81.23,-113.55 66.36 0.50 50
50 05/17/2021 16:19:22 -81.23, 53.71 113.62 05/17/2021 16:20:13 -81.23, 53.80 113.66 1.59 51
51 05/17/2021 17:10:07 81.23,-138.96 66.37 05/17/2021 17:10:58 81.23,-138.94 66.34 0.46 51
52 05/17/2021 18:00:51 -81.23, 28.32 113.63 05/17/2021 18:01:43 -81.23, 28.41 113.68 1.55 52
53 05/17/2021 18:51:36 81.23,-164.35 66.36 05/17/2021 18:52:28 81.23,-164.33 66.33 0.41 52
54 05/17/2021 19:42:20 -81.23, 2.93 113.65 05/17/2021 19:43:13 -81.23, 3.02 113.69 1.50 53
55 05/17/2021 20:33:05 81.23, 170.26 66.35 05/17/2021 20:33:58 81.23, 170.28 66.32 0.37 53
56 05/17/2021 21:23:49 -81.23, -22.46 113.66 05/17/2021 21:24:43 -81.23, -22.37 113.70 1.46 54
57 05/17/2021 22:14:34 81.23, 144.87 66.34 05/17/2021 22:15:28 81.23, 144.89 66.30 0.33 54
58 05/17/2021 23:05:18 -81.23, -47.85 113.67 05/17/2021 23:06:13 -81.23, -47.76 113.71 1.42 55
59 05/17/2021 23:56:03 81.23, 119.48 66.32 05/17/2021 23:56:58 81.23, 119.49 66.29 0.30 55
60 05/18/2021 00:46:47 -81.23, -73.24 113.68 05/18/2021 00:47:43 -81.23, -73.16 113.73 1.37 56
61 05/18/2021 01:37:31 81.23, 94.48 66.26 05/18/2021 01:38:27 81.23, 94.49 66.22 0.26 56
62 05/18/2021 02:28:15 -81.23, -98.24 113.75 05/18/2021 02:29:12 -81.23, -98.16 113.80 1.33 57
63 05/18/2021 03:19:00 81.23, 69.09 66.24 05/18/2021 03:19:57 81.23, 69.10 66.21 0.22 57
64 05/18/2021 04:09:44 -81.23,-123.63 113.76 05/18/2021 04:10:42 -81.23,-123.55 113.81 1.29 58
65 05/18/2021 05:00:29 81.23, 43.70 66.23 05/18/2021 05:01:27 81.23, 43.70 66.20 0.18 58
66 05/18/2021 05:51:13 -81.23,-149.02 113.78 05/18/2021 05:52:12 -81.23,-148.94 113.82 1.24 59
67 05/18/2021 06:41:58 81.23, 18.31 66.22 05/18/2021 06:42:57 81.23, 18.31 66.18 0.15 59
68 05/18/2021 07:32:42 -81.23,-174.40 113.79 05/18/2021 07:33:42 -81.23,-174.34 113.83 1.20 60
69 05/18/2021 08:23:27 81.23, -7.08 66.21 05/18/2021 08:24:27 81.23, -7.08 66.17 0.14 60
70 05/18/2021 09:14:11 -81.23, 160.21 113.80 05/18/2021 09:15:12 -81.23, 160.27 113.85 1.15 61
71 05/18/2021 10:04:56 81.23, -32.47 66.19 05/18/2021 10:05:57 81.23, -32.47 66.16 0.14 61
72 05/18/2021 10:55:40 -81.23, 134.82 113.81 05/18/2021 10:56:42 -81.23, 134.88 113.86 1.11 62
73 05/18/2021 11:46:25 81.23, -57.86 66.18 05/18/2021 11:47:27 81.23, -57.87 66.15 0.16 62
74 05/18/2021 12:37:09 -81.23, 109.43 113.83 05/18/2021 12:38:12 -81.23, 109.49 113.87 1.07 63
75 05/18/2021 13:27:54 81.23, -83.25 66.17 05/18/2021 13:28:57 81.23, -83.26 66.13 0.19 63
76 05/18/2021 14:18:38 -81.23, 84.04 113.84 05/18/2021 14:19:42 -81.23, 84.10 113.88 1.02 64
77 05/18/2021 15:09:23 81.23,-108.64 66.16 05/18/2021 15:10:27 81.23,-108.65 66.12 0.22 64
78 05/18/2021 16:00:07 -81.23, 58.65 113.85 05/18/2021 16:01:12 -81.23, 58.71 113.90 0.98 65
79 05/18/2021 16:50:52 81.23,-134.03 66.15 05/18/2021 16:51:57 81.23,-134.04 66.11 0.26 65
80 05/18/2021 17:41:36 -81.23, 33.26 113.86 05/18/2021 17:42:42 -81.23, 33.31 113.91 0.94 66
81 05/18/2021 18:32:20 81.23,-159.42 66.13 05/18/2021 18:33:26 81.23,-159.44 66.10 0.30 66
82 05/18/2021 19:23:04 -81.23, 7.87 113.88 05/18/2021 19:24:11 -81.23, 7.92 113.92 0.90 67
83 05/18/2021 20:13:49 81.23, 175.19 66.12 05/18/2021 20:14:56 81.23, 175.17 66.09 0.34 67
84 05/18/2021 21:04:33 -81.23, -17.52 113.89 05/18/2021 21:05:41 -81.23, -17.47 113.93 0.85 68
85 05/18/2021 21:55:18 81.23, 149.80 66.11 05/18/2021 21:56:26 81.23, 149.78 66.07 0.39 68
86 05/18/2021 22:46:02 -81.23, -42.91 113.90 05/18/2021 22:47:11 -81.23, -42.86 113.95 0.81 69
87 05/18/2021 23:36:47 81.23, 124.41 66.10 05/18/2021 23:37:56 81.23, 124.39 66.06 0.43 69
88 05/19/2021 00:27:31 -81.23, -68.30 113.91 05/19/2021 00:28:41 -81.23, -68.25 113.96 0.77 70
89 05/19/2021 01:18:16 81.23, 99.02 66.08 05/19/2021 01:19:26 81.23, 99.00 66.05 0.47 70
90 05/19/2021 02:09:00 -81.23, -93.69 113.92 05/19/2021 02:10:11 -81.23, -93.64 113.97 0.73 71
91 05/19/2021 02:59:45 81.23, 73.63 66.07 05/19/2021 03:00:56 81.23, 73.60 66.04 0.52 71
92 05/19/2021 03:50:29 -81.23,-119.07 113.94 05/19/2021 03:51:41 -81.23,-119.04 113.98 0.69 72
93 05/19/2021 04:41:14 81.23, 48.24 66.06 05/19/2021 04:42:26 81.23, 48.21 66.02 0.56 72
94 05/19/2021 05:31:58 -81.23,-144.46 113.95 05/19/2021 05:33:11 -81.23,-144.43 114.00 0.65 73
95 05/19/2021 06:22:43 81.23, 22.85 66.05 05/19/2021 06:23:56 81.23, 22.82 66.01 0.61 73
96 05/19/2021 07:13:27 -81.23,-169.85 113.96 05/19/2021 07:14:41 -81.23,-169.82 114.01 0.61 74
97 05/19/2021 08:04:12 81.23, -2.54 66.04 05/19/2021 08:05:26 81.23, -2.57 66.00 0.65 74
98 05/19/2021 08:54:56 -81.23, 164.76 113.97 05/19/2021 08:56:11 -81.23, 164.79 114.02 0.56 75

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 5/15/2021
SNOs_Map_FY3D_NPP_20210516.jpg

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

Historial Predications of SNOs between FY3D and NPP