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: 7/3/2025
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 13:02:43 -70.39, 161.13 132.47 07/04/2025 13:01:30 -70.41, 160.86 132.44 10.39 73
2 07/04/2025 13:52:12 70.18, -31.53 47.33 07/04/2025 13:52:12 70.18, -31.47 47.33 2.05 0
3 07/04/2025 14:41:41 -70.12, 136.02 132.72 07/04/2025 14:42:54 -70.10, 135.97 132.76 3.42 73
4 07/07/2025 05:19:14 -70.29, -83.13 132.30 07/07/2025 05:18:24 -70.30, -83.20 132.27 3.08 50
5 07/07/2025 06:08:41 70.19, 84.37 47.61 07/07/2025 06:09:08 70.18, 84.30 47.60 2.48 27
6 07/07/2025 06:58:27 -69.20,-109.36 133.32 07/07/2025 06:59:33 -69.20,-106.93 133.42 95.78 66
7 07/09/2025 20:46:00 71.10,-133.64 48.80 07/09/2025 20:44:53 71.18,-136.18 48.97 91.59 67
8 07/09/2025 21:35:44 -70.23, 32.67 132.03 07/09/2025 21:35:19 -70.26, 32.65 132.00 2.83 25
9 07/09/2025 22:25:11 70.12,-159.84 47.87 07/09/2025 22:26:03 70.13,-159.85 47.87 1.11 52
10 07/12/2025 13:02:43 70.32, -18.95 48.41 07/12/2025 13:01:32 70.30, -18.95 48.40 2.53 71
11 07/12/2025 13:52:13 -70.22, 148.53 131.69 07/12/2025 13:52:14 -70.21, 148.50 131.69 1.47 1
12 07/12/2025 14:41:43 69.94, -44.22 48.06 07/12/2025 14:42:55 69.93, -43.76 48.02 17.34 72
13 07/15/2025 05:19:11 70.28, 96.89 48.78 07/15/2025 05:18:26 70.26, 96.89 48.76 3.11 45
14 07/15/2025 06:08:41 -70.18, -95.62 131.31 07/15/2025 06:09:08 -70.18, -95.67 131.32 1.87 27

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/3/2025
SNOs_Map_LANDSAT-8_NPP_20250703.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/03/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP