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: 10/3/2025
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 10/05/2025 20:46:45 -70.32, 45.12 104.71 10/05/2025 20:46:04 -70.34, 45.13 104.69 2.60 41
2 10/05/2025 21:36:11 70.22,-147.38 75.21 10/05/2025 21:36:46 70.20,-147.33 75.19 2.69 35
3 10/08/2025 12:13:37 70.81, -5.91 76.79 10/08/2025 12:12:27 70.85, -7.24 76.84 49.02 70
4 10/08/2025 13:03:14 -70.31, 160.99 103.69 10/08/2025 13:03:01 -70.31, 160.95 103.69 1.53 13
5 10/08/2025 13:52:42 70.15, -31.60 76.16 10/08/2025 13:53:44 70.17, -31.52 76.18 3.67 62
6 10/11/2025 04:30:14 70.36, 109.31 77.36 10/11/2025 04:29:16 70.37, 109.32 77.37 0.94 58
7 10/11/2025 05:19:44 -70.26, -83.21 102.74 10/11/2025 05:19:58 -70.24, -83.17 102.75 1.89 14
8 10/11/2025 06:09:22 69.54, 83.43 76.56 10/11/2025 06:10:30 69.52, 85.22 76.55 69.75 68
9 10/13/2025 20:46:43 70.30,-134.89 78.30 10/13/2025 20:46:13 70.32,-134.83 78.32 2.81 30
10 10/13/2025 21:36:12 -70.25, 32.67 101.74 10/13/2025 21:36:56 -70.24, 32.60 101.75 2.96 44
11 10/16/2025 12:13:42 -70.47, 173.60 100.55 10/16/2025 12:12:29 -70.52, 173.31 100.51 12.15 73
12 10/16/2025 13:03:10 70.30, -19.00 79.29 10/16/2025 13:03:10 70.28, -19.00 79.27 2.32 0
13 10/16/2025 13:52:39 -70.20, 148.48 100.80 10/16/2025 13:53:52 -70.21, 148.43 100.79 2.26 73

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/3/2025
SNOs_Map_LANDSAT-8_NPP_20251004.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/03/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP