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: 7/6/2025
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 07/07/2025 05:19:14 -70.27, -83.16 132.32 07/07/2025 05:18:23 -70.27, -83.15 132.31 0.64 51
2 07/07/2025 06:08:41 70.17, 84.34 47.59 07/07/2025 06:09:07 70.15, 84.36 47.57 2.41 26
3 07/07/2025 06:58:27 -69.17,-109.39 133.35 07/07/2025 06:59:32 -69.17,-106.89 133.45 98.90 65
4 07/09/2025 20:45:59 71.13,-133.59 48.83 07/09/2025 20:44:53 71.20,-136.21 48.99 94.26 66
5 07/09/2025 21:35:44 -70.21, 32.64 132.06 07/09/2025 21:35:18 -70.23, 32.70 132.04 3.33 26
6 07/09/2025 22:25:11 70.10,-159.87 47.85 07/09/2025 22:26:02 70.10,-159.79 47.84 2.93 51
7 07/12/2025 13:02:43 70.29, -18.99 48.38 07/12/2025 13:01:32 70.32, -18.98 48.42 2.85 71
8 07/12/2025 13:52:13 -70.18, 148.49 131.72 07/12/2025 13:52:13 -70.18, 148.54 131.72 1.98 0
9 07/12/2025 14:41:43 69.91, -44.26 48.03 07/12/2025 14:42:54 69.90, -43.71 47.99 20.84 71
10 07/15/2025 05:19:12 70.25, 96.84 48.75 07/15/2025 05:18:27 70.28, 96.86 48.78 3.06 45
11 07/15/2025 06:08:42 -70.15, -95.68 131.35 07/15/2025 06:09:08 -70.15, -95.62 131.35 2.10 26
12 07/17/2025 20:45:59 -71.07, 46.33 130.02 07/17/2025 20:44:52 -71.15, 43.89 129.85 88.15 67
13 07/17/2025 21:35:39 70.25,-147.27 49.20 07/17/2025 21:35:21 70.24,-147.31 49.20 1.73 18
14 07/17/2025 22:25:10 -70.09, 20.14 130.95 07/17/2025 22:26:02 -70.11, 20.21 130.94 3.29 52

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/6/2025
SNOs_Map_LANDSAT-8_NPP_20250706.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/06/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP