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: 5/16/2021
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 05/16/2021 22:33:49 81.23, 140.27 66.52 05/16/2021 22:34:29 81.23, 140.30 66.50 0.55 40
2 05/16/2021 23:24:33 -81.23, -52.39 113.49 05/16/2021 23:25:14 -81.23, -52.36 113.52 0.50 41
3 05/17/2021 00:15:18 81.23, 114.89 66.51 05/17/2021 00:15:59 81.23, 114.91 66.48 0.47 41
4 05/17/2021 01:06:01 -81.23, -77.78 113.51 05/17/2021 01:06:43 -81.23, -77.76 113.53 0.42 42
5 05/17/2021 01:56:46 81.23, 89.50 66.50 05/17/2021 01:57:28 81.23, 89.52 66.47 0.39 42
6 05/17/2021 02:47:30 -81.23,-103.17 113.52 05/17/2021 02:48:13 -81.23,-103.15 113.55 0.35 43
7 05/17/2021 03:38:15 81.23, 64.11 66.48 05/17/2021 03:38:58 81.23, 64.13 66.46 0.31 43
8 05/17/2021 04:28:59 -81.23,-128.55 113.53 05/17/2021 04:29:43 -81.23,-128.54 113.56 0.27 44
9 05/17/2021 05:19:44 81.23, 38.72 66.47 05/17/2021 05:20:28 81.23, 38.74 66.44 0.23 44
10 05/17/2021 06:10:28 -81.23,-153.94 113.55 05/17/2021 06:11:13 -81.23,-153.93 113.57 0.20 45
11 05/17/2021 07:01:13 81.23, 13.34 66.46 05/17/2021 07:01:58 81.23, 13.35 66.43 0.15 45
12 05/17/2021 07:51:57 -81.23,-179.33 113.56 05/17/2021 07:52:43 -81.23,-179.32 113.59 0.13 46
13 05/17/2021 08:42:42 81.23, -12.05 66.44 05/17/2021 08:43:28 81.23, -12.05 66.42 0.07 46
14 05/17/2021 09:33:26 -81.23, 155.29 113.57 05/17/2021 09:34:13 -81.23, 155.29 113.60 0.05 47
15 05/17/2021 10:24:11 81.23, -37.44 66.43 05/17/2021 10:24:58 81.23, -37.44 66.40 0.02 47
16 05/17/2021 11:14:55 -81.23, 129.90 113.59 05/17/2021 11:15:43 -81.23, 129.90 113.61 0.03 48
17 05/17/2021 12:05:40 81.23, -62.83 66.42 05/17/2021 12:06:28 81.23, -62.83 66.39 0.10 48
18 05/17/2021 12:56:24 -81.23, 104.51 113.60 05/17/2021 12:57:13 -81.23, 104.51 113.63 0.10 49
19 05/17/2021 13:47:09 81.23, -88.21 66.40 05/17/2021 13:47:58 81.23, -88.22 66.38 0.18 49
20 05/17/2021 14:37:53 -81.23, 79.13 113.61 05/17/2021 14:38:43 -81.23, 79.12 113.64 0.18 50
21 05/17/2021 15:28:38 81.23,-113.60 66.39 05/17/2021 15:29:28 81.23,-113.61 66.37 0.26 50
22 05/17/2021 16:19:22 -81.23, 53.74 113.62 05/17/2021 16:20:13 -81.23, 53.72 113.65 0.25 51
23 05/17/2021 17:10:07 81.23,-138.99 66.38 05/17/2021 17:10:58 81.23,-139.01 66.35 0.34 51
24 05/17/2021 18:00:51 -81.23, 28.35 113.64 05/17/2021 18:01:43 -81.23, 28.33 113.66 0.33 52
25 05/17/2021 18:51:36 81.23,-164.37 66.37 05/17/2021 18:52:28 81.23,-164.40 66.34 0.42 52
26 05/17/2021 19:42:20 -81.23, 2.97 113.65 05/17/2021 19:43:13 -81.23, 2.94 113.68 0.40 53
27 05/17/2021 20:33:05 81.23, 170.24 66.35 05/17/2021 20:33:58 81.24, 170.21 66.33 0.51 53
28 05/17/2021 21:23:49 -81.23, -22.42 113.66 05/17/2021 21:24:43 -81.23, -22.45 113.69 0.48 54
29 05/17/2021 22:14:34 81.23, 144.85 66.34 05/17/2021 22:15:28 81.24, 144.82 66.31 0.59 54
30 05/17/2021 23:05:18 -81.23, -47.81 113.68 05/17/2021 23:06:13 -81.23, -47.84 113.70 0.55 55
31 05/17/2021 23:56:03 81.23, 119.46 66.33 05/17/2021 23:56:58 81.24, 119.43 66.30 0.67 55
32 05/18/2021 00:46:47 -81.23, -73.20 113.69 05/18/2021 00:47:43 -81.24, -73.23 113.72 0.63 56
33 05/18/2021 01:37:32 81.23, 94.08 66.31 05/18/2021 01:38:28 81.24, 94.03 66.29 0.75 56
34 05/18/2021 02:28:16 -81.23, -98.58 113.70 05/18/2021 02:29:13 -81.24, -98.62 113.73 0.71 57
35 05/18/2021 03:19:01 81.23, 68.69 66.30 05/18/2021 03:19:58 81.24, 68.64 66.28 0.84 57
36 05/18/2021 04:09:45 -81.23,-123.97 113.71 05/18/2021 04:10:43 -81.24,-124.01 113.74 0.78 58
37 05/18/2021 05:00:30 81.24, 43.30 66.29 05/18/2021 05:01:28 81.24, 43.25 66.26 0.92 58
38 05/18/2021 05:51:14 -81.23,-149.36 113.73 05/18/2021 05:52:13 -81.24,-149.41 113.75 0.86 59
39 05/18/2021 06:41:59 81.24, 17.91 66.28 05/18/2021 06:42:58 81.24, 17.86 66.25 1.00 59
40 05/18/2021 07:32:43 -81.23,-174.74 113.74 05/18/2021 07:33:43 -81.24,-174.80 113.77 0.94 60
41 05/18/2021 08:23:28 81.24, -7.47 66.26 05/18/2021 08:24:28 81.24, -7.54 66.24 1.09 60
42 05/18/2021 09:14:12 -81.24, 159.87 113.75 05/18/2021 09:15:13 -81.24, 159.81 113.78 1.01 61
43 05/18/2021 10:04:57 81.24, -32.86 66.25 05/18/2021 10:05:58 81.24, -32.93 66.23 1.17 61
44 05/18/2021 10:55:41 -81.24, 134.48 113.77 05/18/2021 10:56:43 -81.24, 134.42 113.79 1.09 62
45 05/18/2021 11:46:26 81.24, -58.25 66.24 05/18/2021 11:47:28 81.24, -58.32 66.21 1.25 62
46 05/18/2021 12:37:10 -81.24, 109.10 113.78 05/18/2021 12:38:13 -81.24, 109.03 113.80 1.17 63
47 05/18/2021 13:27:55 81.24, -83.63 66.22 05/18/2021 13:28:58 81.24, -83.71 66.20 1.34 63
48 05/18/2021 14:18:39 -81.24, 83.71 113.79 05/18/2021 14:19:43 -81.24, 83.64 113.82 1.25 64
49 05/18/2021 15:09:24 81.24,-109.02 66.21 05/18/2021 15:10:28 81.24,-109.10 66.19 1.42 64
50 05/18/2021 16:00:08 -81.24, 58.32 113.80 05/18/2021 16:01:13 -81.24, 58.25 113.83 1.32 65
51 05/18/2021 16:50:53 81.24,-134.41 66.20 05/18/2021 16:51:58 81.24,-134.50 66.18 1.50 65
52 05/18/2021 17:41:37 -81.24, 32.94 113.82 05/18/2021 17:42:43 -81.24, 32.85 113.84 1.40 66
53 05/18/2021 18:32:22 81.24,-159.80 66.19 05/18/2021 18:33:28 81.24,-159.89 66.16 1.59 66
54 05/18/2021 19:23:06 -81.24, 7.55 113.83 05/18/2021 19:24:13 -81.24, 7.46 113.85 1.48 67
55 05/18/2021 20:13:50 81.23, 175.21 66.12 05/18/2021 20:14:57 81.23, 175.11 66.09 1.67 67
56 05/18/2021 21:04:35 -81.24, -17.84 113.84 05/18/2021 21:05:43 -81.24, -17.93 113.87 1.56 68
57 05/18/2021 21:55:19 81.23, 149.82 66.11 05/18/2021 21:56:27 81.23, 149.71 66.08 1.75 68
58 05/18/2021 22:46:04 -81.24, -43.23 113.85 05/18/2021 22:47:13 -81.24, -43.32 113.88 1.64 69
59 05/18/2021 23:36:48 81.23, 124.43 66.09 05/18/2021 23:37:57 81.23, 124.32 66.07 1.84 69
60 05/19/2021 00:27:33 -81.24, -68.61 113.87 05/19/2021 00:28:43 -81.24, -68.71 113.89 1.72 70
61 05/19/2021 01:18:17 81.23, 99.04 66.08 05/19/2021 01:19:27 81.23, 98.93 66.06 1.92 70
62 05/19/2021 02:09:02 -81.24, -94.00 113.88 05/19/2021 02:10:13 -81.24, -94.10 113.90 1.80 71
63 05/19/2021 02:59:46 81.23, 73.66 66.07 05/19/2021 03:00:57 81.23, 73.54 66.05 2.00 71
64 05/19/2021 03:50:30 -81.24,-119.39 113.89 05/19/2021 03:51:42 -81.24,-119.49 113.92 1.88 72
65 05/19/2021 04:41:14 81.23, 48.27 66.06 05/19/2021 04:42:26 81.23, 48.14 66.03 2.09 72
66 05/19/2021 05:31:59 -81.24,-144.77 113.90 05/19/2021 05:33:12 -81.24,-144.89 113.93 1.95 73
67 05/19/2021 06:22:43 81.23, 22.88 66.05 05/19/2021 06:23:56 81.23, 22.75 66.02 2.17 73
68 05/19/2021 07:13:27 -81.23,-169.77 113.97 05/19/2021 07:14:41 -81.23,-169.89 114.00 2.03 74
69 05/19/2021 08:04:12 81.23, -2.51 66.03 05/19/2021 08:05:26 81.23, -2.64 66.01 2.25 74
70 05/19/2021 08:54:56 -81.23, 164.84 113.98 05/19/2021 08:56:11 -81.23, 164.72 114.01 2.11 75
71 05/19/2021 09:45:41 81.23, -27.89 66.02 05/19/2021 09:46:56 81.24, -28.03 66.00 2.34 75

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 5/16/2021
SNOs_Map_FY3D_NPP_20210517.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 05/16/2021 in txt file.

Historial Predications of SNOs between FY3D and NPP