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: 11/14/2025
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 11/14/2025 20:46:44 70.35,-134.84 88.70 11/14/2025 20:46:38 70.37,-134.90 88.72 3.09 6
2 11/14/2025 21:36:14 -70.24, 32.63 91.41 11/14/2025 21:37:19 -70.25, 32.62 91.40 0.42 65
3 11/17/2025 12:13:48 -70.43, 173.50 90.57 11/17/2025 12:12:48 -70.41, 173.52 90.59 2.55 60
4 11/17/2025 13:03:15 70.33, -19.01 89.34 11/17/2025 13:03:33 70.33, -19.05 89.35 1.67 18
5 11/17/2025 13:52:55 -69.67, 147.70 91.32 11/17/2025 13:54:04 -69.68, 149.27 91.30 60.67 69
6 11/20/2025 04:30:19 -70.36, -70.72 90.01 11/20/2025 04:29:43 -70.38, -70.65 89.99 3.31 36
7 11/20/2025 05:19:45 70.31, 96.85 89.95 11/20/2025 05:20:28 70.30, 96.78 89.94 2.57 43
8 11/22/2025 19:57:13 70.68,-122.00 90.89 11/22/2025 19:56:01 70.75,-122.79 90.96 30.17 72
9 11/22/2025 20:46:47 -70.36, 45.15 89.43 11/22/2025 20:46:37 -70.36, 45.16 89.43 0.51 10
10 11/22/2025 21:36:14 70.25,-147.36 90.47 11/22/2025 21:37:21 70.23,-147.33 90.45 1.95 67
11 11/25/2025 12:13:46 70.41, -6.52 91.16 11/25/2025 12:12:50 70.44, -6.49 91.18 2.68 56
12 11/25/2025 13:03:16 -70.31, 160.97 88.95 11/25/2025 13:03:31 -70.31, 161.03 88.95 2.39 15
13 11/25/2025 13:52:56 69.48, -32.55 90.23 11/25/2025 13:54:02 69.49, -30.43 90.25 82.66 66
14 11/28/2025 04:30:14 70.37, 109.31 91.61 11/28/2025 04:29:44 70.39, 109.36 91.63 2.79 30
15 11/28/2025 05:19:44 -70.27, -83.20 88.49 11/28/2025 05:20:25 -70.27, -83.12 88.50 3.22 41

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/14/2025
SNOs_Map_LANDSAT-8_NPP_20251115.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/14/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP