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: 7/10/2025
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 07/12/2025 13:02:45 70.34, -18.93 48.43 07/12/2025 13:01:33 70.35, -19.03 48.45 4.09 72
2 07/12/2025 13:52:15 -70.23, 148.55 131.67 07/12/2025 13:52:14 -70.22, 148.48 131.68 2.72 1
3 07/12/2025 14:41:44 70.02, -44.11 48.13 07/12/2025 14:42:56 69.98, -43.84 48.08 10.96 72
4 07/15/2025 05:19:16 70.27, 96.85 48.77 07/15/2025 05:18:26 70.26, 96.89 48.76 2.24 50
5 07/15/2025 06:08:46 -70.17, -95.67 131.33 07/15/2025 06:09:08 -70.18, -95.68 131.31 1.79 22
6 07/17/2025 21:35:47 70.25,-147.31 49.20 07/17/2025 21:35:21 70.22,-147.28 49.18 2.93 26
7 07/17/2025 22:25:17 -70.14, 20.18 130.90 07/17/2025 22:26:03 -70.15, 20.15 130.90 0.99 46
8 07/20/2025 13:02:48 -70.48, 161.27 130.10 07/20/2025 13:01:36 -70.53, 160.70 130.02 21.87 72
9 07/20/2025 13:52:18 70.21, -31.49 49.65 07/20/2025 13:52:16 70.19, -31.45 49.64 2.19 2
10 07/20/2025 14:41:48 -70.11, 136.00 130.44 07/20/2025 14:42:58 -70.12, 135.98 130.44 1.30 70
11 07/23/2025 05:19:22 -70.27, -83.16 129.77 07/23/2025 05:18:27 -70.29, -83.14 129.74 2.58 55
12 07/23/2025 06:08:49 70.15, 84.32 50.13 07/23/2025 06:09:11 70.16, 84.37 50.14 2.11 22

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_LANDSAT-8_NPP_20250710.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/10/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP