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: 8/30/2023
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 09/11/2023 23:25:30 -81.18, -49.02 99.18 09/11/2023 23:26:46 -81.18, -49.12 99.20 1.76 76
2 09/12/2023 00:16:16 81.18, 117.92 80.89 09/12/2023 00:17:31 81.18, 118.03 80.84 1.84 75
3 09/12/2023 01:07:02 -81.18, -74.64 99.12 09/12/2023 01:08:16 -81.18, -74.56 99.17 1.38 74
4 09/12/2023 01:57:47 81.18, 92.69 80.90 09/12/2023 01:59:01 81.18, 92.59 80.87 1.76 74
5 09/12/2023 02:48:33 -81.18, -99.87 99.11 09/12/2023 02:49:46 -81.18, -99.99 99.14 2.09 73
6 09/12/2023 03:39:18 81.18, 67.46 80.90 09/12/2023 03:40:30 81.17, 67.54 80.85 1.45 72
7 09/12/2023 04:30:05 -81.18,-125.49 99.06 09/12/2023 04:31:16 -81.18,-125.43 99.10 1.14 71
8 09/12/2023 05:20:49 81.18, 42.22 80.91 09/12/2023 05:22:00 81.18, 42.10 80.89 2.13 71
9 09/12/2023 06:11:36 -81.18,-150.72 99.05 09/12/2023 06:12:46 -81.18,-150.86 99.07 2.49 70
10 09/12/2023 07:02:21 81.18, 16.60 80.97 09/12/2023 07:03:30 81.18, 16.66 80.92 1.05 69
11 09/12/2023 07:53:07 -81.18,-175.95 99.04 09/12/2023 07:54:15 -81.18,-175.92 99.09 0.75 68
12 09/12/2023 08:43:52 81.18, -8.63 80.97 09/12/2023 08:45:00 81.18, -8.77 80.96 2.42 68
13 09/12/2023 09:34:38 -81.18, 158.81 99.04 09/12/2023 09:35:45 -81.18, 158.64 99.05 2.88 67
14 09/12/2023 10:25:24 81.18, -34.25 81.03 09/12/2023 10:26:30 81.18, -34.21 80.99 0.80 66
15 09/12/2023 11:16:10 -81.18, 133.19 98.98 09/12/2023 11:17:15 -81.18, 133.21 99.02 0.27 65
16 09/12/2023 12:06:55 81.18, -59.48 81.04 09/12/2023 12:08:00 81.18, -59.64 81.03 2.79 65
17 09/12/2023 12:57:41 -81.18, 107.96 98.97 09/12/2023 12:58:45 -81.18, 107.77 98.98 3.20 64
18 09/12/2023 13:48:26 81.18, -84.72 81.04 09/12/2023 13:49:29 81.17, -84.70 81.01 0.63 63
19 09/12/2023 14:39:13 -81.18, 82.34 98.92 09/12/2023 14:40:15 -81.18, 82.34 98.95 0.39 62
20 09/12/2023 15:29:58 81.18,-110.34 81.10 09/12/2023 15:31:00 81.19,-110.52 81.10 3.19 62
21 09/12/2023 16:20:44 -81.18, 57.11 98.91 09/12/2023 16:21:44 -81.17, 57.28 98.97 3.02 60
22 09/12/2023 17:11:29 81.18,-135.57 81.11 09/12/2023 17:12:29 81.18,-135.57 81.08 0.14 60
23 09/12/2023 18:02:15 -81.18, 31.88 98.90 09/12/2023 18:03:14 -81.17, 31.85 98.93 0.73 59
24 09/12/2023 18:53:01 81.18,-161.19 81.16 09/12/2023 18:53:59 81.18,-161.01 81.11 3.13 58
25 09/12/2023 19:43:47 -81.18, 6.26 98.85 09/12/2023 19:44:44 -81.18, 6.41 98.90 2.63 57
26 09/12/2023 20:34:32 81.18, 173.57 81.17 09/12/2023 20:35:29 81.18, 173.55 81.15 0.44 57
27 09/12/2023 21:25:18 -81.18, -18.98 98.84 09/12/2023 21:26:14 -81.18, -19.03 98.86 0.85 56
28 09/12/2023 22:16:03 81.18, 148.34 81.18 09/12/2023 22:16:58 81.17, 148.50 81.13 2.81 55
29 09/12/2023 23:06:50 -81.18, -44.59 98.78 09/12/2023 23:07:44 -81.18, -44.46 98.83 2.28 54
30 09/12/2023 23:57:35 81.18, 122.72 81.24 09/12/2023 23:58:29 81.19, 122.68 81.21 0.96 54
31 09/13/2023 00:48:21 -81.18, -69.83 98.78 09/13/2023 00:49:14 -81.18, -69.90 98.79 1.22 53
32 09/13/2023 01:39:06 81.18, 97.49 81.24 09/13/2023 01:39:58 81.18, 97.63 81.19 2.41 52
33 09/13/2023 02:29:52 -81.18, -95.06 98.77 09/13/2023 02:30:43 -81.17, -94.95 98.81 1.98 51

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 8/30/2023
SNOs_Map_FY3D_NPP_20230830.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 08/30/2023 in txt file.

Historial Predications of SNOs between FY3D and NPP