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: 6/22/2025
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 06/23/2025 21:35:41 -70.25, 32.68 133.22 06/23/2025 21:35:14 -70.26, 32.61 133.20 2.82 27
2 06/23/2025 22:25:09 70.09,-159.90 46.64 06/23/2025 22:25:57 70.10,-159.83 46.64 3.00 48
3 06/26/2025 13:02:41 70.37, -18.90 46.98 06/26/2025 13:01:29 70.40, -19.14 47.03 9.56 72
4 06/26/2025 13:52:12 -70.21, 148.50 133.18 06/26/2025 13:52:09 -70.19, 148.49 133.19 1.32 3
5 06/26/2025 14:41:40 70.04, -44.09 46.67 06/26/2025 14:42:52 70.03, -43.95 46.65 5.57 72
6 06/29/2025 05:19:12 70.25, 96.81 47.00 06/29/2025 05:18:22 70.28, 96.82 47.03 3.08 50
7 06/29/2025 06:08:42 -70.15, -95.71 133.10 06/29/2025 06:09:03 -70.13, -95.63 133.12 3.48 21
8 07/01/2025 21:35:42 70.23,-147.33 47.16 07/01/2025 21:35:17 70.22,-147.31 47.15 1.81 25
9 07/01/2025 22:25:12 -70.13, 20.15 132.94 07/01/2025 22:25:59 -70.12, 20.15 132.95 1.15 47
10 07/04/2025 13:02:44 -70.37, 161.10 132.49 07/04/2025 13:01:31 -70.43, 160.82 132.41 12.34 73
11 07/04/2025 13:52:12 70.20, -31.50 47.35 07/04/2025 13:52:13 70.21, -31.53 47.37 1.94 1
12 07/04/2025 14:41:42 -70.10, 135.99 132.74 07/04/2025 14:42:55 -70.12, 135.94 132.73 2.85 73

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 6/22/2025
SNOs_Map_LANDSAT-8_NPP_20250622.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 06/22/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP