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: 5/23/2025
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 05/25/2025 13:02:24 70.40, -18.85 49.26 05/25/2025 13:01:11 70.48, -19.30 49.36 19.08 73
2 05/25/2025 13:51:56 -70.17, 148.46 130.97 05/25/2025 13:51:50 -70.20, 148.45 130.94 3.39 6
3 05/25/2025 14:41:23 70.07, -44.04 48.93 05/25/2025 14:42:33 70.06, -44.02 48.91 1.61 70
4 05/28/2025 05:18:56 70.26, 96.83 48.68 05/28/2025 05:18:04 70.25, 96.84 48.67 1.22 52
5 05/28/2025 06:08:26 -70.15, -95.70 131.44 05/28/2025 06:08:46 -70.13, -95.66 131.46 2.91 20
6 05/28/2025 06:58:09 69.16, 70.60 47.60 05/28/2025 06:59:14 69.19, 73.03 47.57 96.21 65
7 05/30/2025 21:35:26 70.21,-147.35 48.23 05/30/2025 21:35:01 70.23,-147.37 48.25 2.29 25
8 05/30/2025 22:24:56 -70.11, 20.13 131.88 05/30/2025 22:25:43 -70.11, 20.14 131.89 0.51 47
9 06/02/2025 13:02:27 -70.32, 161.04 132.03 06/02/2025 13:01:14 -70.36, 160.90 131.97 6.82 73
10 06/02/2025 13:51:55 70.15, -31.56 47.81 06/02/2025 13:51:56 70.17, -31.50 47.83 3.12 1
11 06/02/2025 14:41:25 -70.05, 135.93 132.30 06/02/2025 14:42:38 -70.04, 136.01 132.31 3.14 73
12 06/05/2025 05:18:57 -70.24, -83.19 132.41 06/05/2025 05:18:09 -70.25, -83.16 132.40 1.40 48
13 06/05/2025 06:08:24 70.13, 84.29 47.48 06/05/2025 06:08:52 70.12, 84.35 47.47 2.53 28

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/23/2025
SNOs_Map_LANDSAT-8_NPP_20250523.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/23/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP