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: 10/26/2025
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 10/27/2025 04:30:14 70.37, 109.32 83.12 10/27/2025 04:29:32 70.36, 109.32 83.11 1.47 42
2 10/27/2025 05:19:44 -70.26, -83.21 96.98 10/27/2025 05:20:14 -70.26, -83.20 96.98 0.59 30
3 10/29/2025 19:57:06 -71.10, 58.65 95.26 10/29/2025 19:55:58 -71.13, 56.52 95.24 76.98 68
4 10/29/2025 20:46:45 70.34,-134.85 83.98 10/29/2025 20:46:29 70.35,-134.88 83.99 1.24 16
5 10/29/2025 21:36:15 -70.23, 32.62 96.12 10/29/2025 21:37:11 -70.24, 32.59 96.11 1.54 56
6 11/01/2025 12:13:49 -70.39, 173.45 95.12 11/01/2025 12:12:41 -70.39, 173.51 95.12 2.31 68
7 11/01/2025 13:03:16 70.28, -19.07 84.79 11/01/2025 13:03:25 70.29, -19.02 84.80 2.00 9
8 11/01/2025 13:52:51 -69.90, 148.03 95.59 11/01/2025 13:54:02 -69.92, 148.86 95.56 31.99 71
9 11/04/2025 04:30:18 -70.41, -70.64 94.26 11/04/2025 04:29:38 -70.40, -70.72 94.28 3.47 40
10 11/04/2025 05:19:46 70.24, 96.76 85.59 11/04/2025 05:20:21 70.24, 96.84 85.58 3.06 35
11 11/06/2025 19:57:10 70.83,-121.76 86.97 11/06/2025 19:56:00 70.93,-123.13 87.06 50.97 70
12 11/06/2025 20:46:47 -70.35, 45.15 93.51 11/06/2025 20:46:33 -70.35, 45.12 93.51 1.16 14
13 11/06/2025 21:36:14 70.23,-147.37 86.38 11/06/2025 21:37:17 70.25,-147.40 86.40 1.75 63

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/26/2025
SNOs_Map_LANDSAT-8_NPP_20251026.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/26/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP