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: 7/2/2025
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 07/04/2025 13:02:44 -70.37, 161.10 132.50 07/04/2025 13:01:31 -70.43, 160.82 132.41 12.56 73
2 07/04/2025 13:52:12 70.21, -31.48 47.36 07/04/2025 13:52:13 70.21, -31.51 47.36 1.16 1
3 07/04/2025 14:41:42 -70.10, 135.99 132.75 07/04/2025 14:42:55 -70.12, 135.94 132.73 3.20 73
4 07/07/2025 05:19:15 -70.27, -83.16 132.32 07/07/2025 05:18:24 -70.28, -83.16 132.30 0.78 51
5 07/07/2025 06:08:42 70.16, 84.33 47.59 07/07/2025 06:09:08 70.15, 84.34 47.58 0.99 26
6 07/07/2025 06:58:28 -69.18,-109.39 133.34 07/07/2025 06:59:33 -69.17,-106.89 133.45 98.61 65
7 07/09/2025 20:45:59 71.14,-133.59 48.83 07/09/2025 20:44:53 71.20,-136.22 49.00 94.87 66
8 07/09/2025 21:35:44 -70.21, 32.64 132.05 07/09/2025 21:35:18 -70.23, 32.69 132.03 2.75 26
9 07/09/2025 22:25:11 70.10,-159.87 47.85 07/09/2025 22:26:02 70.11,-159.81 47.85 2.48 51
10 07/12/2025 13:02:43 70.30, -18.98 48.39 07/12/2025 13:01:32 70.32, -19.00 48.43 3.00 71
11 07/12/2025 13:52:13 -70.20, 148.51 131.71 07/12/2025 13:52:13 -70.19, 148.53 131.71 1.38 0
12 07/12/2025 14:41:43 69.92, -44.25 48.04 07/12/2025 14:42:54 69.91, -43.73 48.00 19.90 71
13 07/15/2025 05:19:12 70.27, 96.86 48.76 07/15/2025 05:18:27 70.29, 96.84 48.79 2.43 45
14 07/15/2025 06:08:42 -70.17, -95.65 131.33 07/15/2025 06:09:08 -70.15, -95.63 131.35 1.86 26

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/2/2025
SNOs_Map_LANDSAT-8_NPP_20250702.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/02/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP