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: 12/8/2022
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 12/20/2022 07:40:20 -81.21,-175.89 71.17 12/20/2022 07:41:35 -81.21,-175.84 71.22 0.83 75
2 12/20/2022 08:31:06 81.21, -8.69 108.85 12/20/2022 08:32:20 81.21, -8.57 108.79 2.04 74
3 12/20/2022 09:21:52 -81.21, 158.63 71.16 12/20/2022 09:23:05 -81.21, 158.78 71.22 2.63 73
4 12/20/2022 10:12:37 81.21, -33.79 108.81 12/20/2022 10:13:50 81.21, -33.95 108.79 2.79 73
5 12/20/2022 11:03:23 -81.21, 133.53 71.19 12/20/2022 11:04:35 -81.21, 133.40 71.22 2.17 72
6 12/20/2022 11:54:09 81.21, -59.27 108.83 12/20/2022 11:55:20 81.21, -59.33 108.80 0.99 71
7 12/20/2022 12:44:55 -81.21, 108.05 71.18 12/20/2022 12:46:05 -81.21, 108.03 71.21 0.39 70
8 12/20/2022 13:35:41 81.21, -84.76 108.84 12/20/2022 13:36:50 81.21, -84.71 108.80 0.92 69
9 12/20/2022 14:26:27 -81.21, 82.56 71.16 12/20/2022 14:27:35 -81.21, 82.65 71.21 1.46 68
10 12/20/2022 15:17:12 81.21,-109.85 108.81 12/20/2022 15:18:19 81.20,-109.70 108.75 2.71 67
11 12/20/2022 16:07:59 -81.21, 57.08 71.15 12/20/2022 16:09:05 -81.21, 57.27 71.21 3.26 66
12 12/20/2022 16:58:44 81.21,-135.34 108.82 12/20/2022 16:59:50 81.21,-135.46 108.80 2.12 66
13 12/20/2022 17:49:30 -81.21, 31.98 71.18 12/20/2022 17:50:35 -81.21, 31.89 71.21 1.54 65
14 12/20/2022 18:40:16 81.21,-160.82 108.84 12/20/2022 18:41:20 81.21,-160.84 108.81 0.41 64
15 12/20/2022 19:31:02 -81.21, 6.50 71.17 12/20/2022 19:32:05 -81.21, 6.51 71.20 0.35 63
16 12/20/2022 20:21:48 81.21, 173.69 108.85 12/20/2022 20:22:50 81.21, 173.78 108.81 1.58 62
17 12/20/2022 21:12:34 -81.21, -18.99 71.15 12/20/2022 21:13:35 -81.21, -18.86 71.20 2.10 61
18 12/20/2022 22:03:19 81.21, 148.59 108.82 12/20/2022 22:04:20 81.21, 148.40 108.81 3.27 61
19 12/20/2022 22:54:05 -81.21, -44.08 71.19 12/20/2022 22:55:05 -81.21, -44.24 71.20 2.71 60
20 12/20/2022 23:44:51 81.21, 123.11 108.83 12/20/2022 23:45:50 81.21, 123.02 108.81 1.47 59
21 12/21/2022 00:35:37 -81.21, -69.57 71.17 12/21/2022 00:36:35 -81.21, -69.62 71.20 0.92 58
22 12/21/2022 01:26:23 81.21, 97.62 108.85 12/21/2022 01:27:20 81.21, 97.64 108.82 0.52 57
23 12/21/2022 02:17:09 -81.21, -95.05 71.16 12/21/2022 02:18:05 -81.21, -95.00 71.20 0.94 56
24 12/21/2022 03:07:54 81.21, 72.52 108.81 12/21/2022 03:08:49 81.20, 72.65 108.76 2.22 55
25 12/21/2022 03:58:41 -81.21,-120.54 71.15 12/21/2022 03:59:35 -81.21,-120.38 71.19 2.73 54
26 12/21/2022 04:49:26 81.21, 47.04 108.83 12/21/2022 04:50:20 81.21, 46.89 108.82 2.61 54
27 12/21/2022 05:40:12 -81.21,-145.63 71.18 12/21/2022 05:41:05 -81.21,-145.75 71.19 2.08 53
28 12/21/2022 06:30:58 81.21, 21.55 108.84 12/21/2022 06:31:50 81.21, 21.51 108.82 0.84 52
29 12/21/2022 07:21:44 -81.21,-171.12 71.17 12/21/2022 07:22:35 -81.21,-171.13 71.19 0.37 51
30 12/21/2022 08:12:29 81.21, -3.54 108.81 12/21/2022 08:13:19 81.20, -3.49 108.77 1.13 50
31 12/21/2022 09:03:16 -81.21, 163.40 71.15 12/21/2022 09:04:05 -81.21, 163.49 71.19 1.57 49
32 12/21/2022 09:54:01 81.21, -29.03 108.82 12/21/2022 09:54:49 81.20, -28.86 108.77 2.87 48
33 12/21/2022 10:44:47 -81.21, 138.30 71.19 12/21/2022 10:45:35 -81.21, 138.11 71.19 3.25 48
34 12/21/2022 11:35:32 81.21, -54.52 108.84 12/21/2022 11:36:19 81.21, -54.63 108.83 1.95 47
35 12/21/2022 12:26:18 -81.21, 112.82 71.17 12/21/2022 12:27:04 -81.21, 112.73 71.18 1.46 46
36 12/21/2022 13:17:04 81.21, -80.00 108.85 12/21/2022 13:17:49 81.21, -80.01 108.83 0.42 45
37 12/21/2022 14:07:50 -81.21, 87.33 71.16 12/21/2022 14:08:34 -81.21, 87.35 71.18 0.47 44
38 12/21/2022 14:58:35 81.21,-105.10 108.82 12/21/2022 14:59:18 81.20,-105.00 108.78 1.74 43
39 12/21/2022 15:49:21 -81.21, 62.24 71.19 12/21/2022 15:50:03 -81.20, 62.36 71.23 2.19 42
40 12/21/2022 16:40:07 81.21,-130.59 108.83 12/21/2022 16:40:49 81.21,-130.77 108.83 3.10 42
41 12/21/2022 17:30:53 -81.21, 36.75 71.18 12/21/2022 17:31:34 -81.21, 36.60 71.18 2.63 41
42 12/21/2022 18:21:39 81.21,-156.07 108.84 12/21/2022 18:22:19 81.21,-156.14 108.83 1.32 40
43 12/21/2022 19:12:25 -81.21, 11.27 71.16 12/21/2022 19:13:04 -81.21, 11.22 71.18 0.87 39
44 12/21/2022 20:03:10 81.21, 178.83 108.81 12/21/2022 20:03:48 81.21, 178.86 108.78 0.68 38
45 12/21/2022 20:53:57 -81.21, -14.22 71.15 12/21/2022 20:54:34 -81.21, -14.16 71.18 1.05 37
46 12/21/2022 21:44:42 81.21, 153.35 108.82 12/21/2022 21:45:18 81.21, 153.48 108.78 2.38 36
47 12/21/2022 22:35:28 -81.21, -39.32 71.18 12/21/2022 22:36:03 -81.20, -39.15 71.23 2.80 35
48 12/21/2022 23:26:14 81.21, 127.86 108.84 12/21/2022 23:26:49 81.21, 127.72 108.84 2.45 35
49 12/22/2022 00:17:00 -81.21, -64.80 71.17 12/22/2022 00:17:34 -81.21, -64.92 71.17 2.02 34
50 12/22/2022 01:07:46 81.21, 102.37 108.85 12/22/2022 01:08:19 81.21, 102.34 108.84 0.75 33
51 12/22/2022 01:58:32 -81.21, -90.29 71.16 12/22/2022 01:59:04 -81.21, -90.30 71.17 0.40 32

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 12/8/2022
SNOs_Map_FY3D_NPP_20221208.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 12/08/2022 in txt file.

Historial Predications of SNOs between FY3D and NPP