Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/17/2025
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 05/17/2025 13:02:18 -70.61, 161.46 128.94 05/17/2025 13:01:07 -70.70, 160.36 128.83 41.64 71
2 05/17/2025 13:51:51 70.19, -31.52 50.64 05/17/2025 13:51:43 70.18, -31.51 50.63 1.11 8
3 05/17/2025 14:41:21 -70.07, 135.95 129.49 05/17/2025 14:42:25 -70.07, 135.98 129.49 1.23 64
4 05/20/2025 05:18:54 -70.24, -83.20 129.88 05/20/2025 05:17:56 -70.23, -83.13 129.89 2.92 58
5 05/20/2025 06:08:21 70.14, 84.30 50.02 05/20/2025 06:08:40 70.14, 84.32 50.02 1.10 19
6 05/20/2025 06:58:02 -69.42,-109.06 130.69 05/20/2025 06:59:10 -69.39,-107.25 130.76 71.17 68
7 05/22/2025 21:35:23 -70.23, 32.67 130.42 05/22/2025 21:34:54 -70.25, 32.62 130.40 2.57 29
8 05/22/2025 22:24:50 70.12,-159.84 49.47 05/22/2025 22:25:37 70.11,-159.86 49.45 2.22 47
9 05/25/2025 13:02:21 70.31, -18.97 49.17 05/25/2025 13:01:08 70.34, -19.08 49.21 5.52 73
10 05/25/2025 13:51:51 -70.20, 148.51 130.94 05/25/2025 13:51:50 -70.21, 148.43 130.93 3.32 1
11 05/25/2025 14:41:19 70.04, -44.08 48.89 05/25/2025 14:42:32 70.03, -43.96 48.88 4.52 73
12 05/28/2025 05:18:50 70.25, 96.84 48.67 05/28/2025 05:18:04 70.27, 96.81 48.69 2.05 46
13 05/28/2025 06:08:20 -70.15, -95.67 131.44 05/28/2025 06:08:46 -70.14, -95.68 131.45 1.22 26
14 05/30/2025 20:45:39 -71.00, 46.22 131.00 05/30/2025 20:44:31 -71.06, 43.97 130.88 81.41 68
15 05/30/2025 21:35:19 70.18,-147.37 48.20 05/30/2025 21:35:00 70.20,-147.32 48.22 3.17 19
16 05/30/2025 22:24:48 -70.13, 20.19 131.86 05/30/2025 22:25:43 -70.12, 20.12 131.87 3.05 55

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/17/2025
SNOs_Map_LANDSAT-8_NPP_20250517.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/17/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP