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: 3/5/2026
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 03/06/2026 18:17:59 -70.67, 82.64 103.90 03/06/2026 18:17:01 -70.68, 82.64 103.88 0.70 58
2 03/06/2026 19:07:26 70.57,-109.87 76.00 03/06/2026 19:07:45 70.56,-109.88 76.00 0.57 19
3 03/06/2026 19:57:06 -69.85, 56.73 104.70 03/06/2026 19:58:14 -69.84, 58.57 104.78 70.54 68
4 03/09/2026 10:34:25 -70.64,-161.52 104.97 03/09/2026 10:33:55 -70.62,-161.50 104.98 2.41 30
5 03/09/2026 11:23:52 70.54, 5.97 74.92 03/09/2026 11:24:39 70.51, 6.00 74.89 3.28 47
6 03/12/2026 02:01:22 70.71, 146.83 74.05 03/12/2026 02:00:09 70.72, 146.81 74.08 2.08 73
7 03/12/2026 02:50:52 -70.60, -45.70 106.07 03/12/2026 02:50:50 -70.58, -45.64 106.09 2.94 2
8 03/12/2026 03:40:21 70.38, 121.62 73.71 03/12/2026 03:41:33 70.41, 121.94 73.73 12.36 72
9 03/14/2026 18:17:48 70.69, -97.31 72.97 03/14/2026 18:17:04 70.69, -97.35 72.98 1.38 44
10 03/14/2026 19:07:18 -70.58, 70.16 107.15 03/14/2026 19:07:46 -70.60, 70.12 107.13 2.44 28
11 03/17/2026 09:44:36 -71.35,-148.02 107.44 03/17/2026 09:43:27 -71.39,-150.08 107.33 73.22 69
12 03/17/2026 10:34:14 70.65, 18.52 71.87 03/17/2026 10:33:59 70.66, 18.49 71.89 1.79 15
13 03/17/2026 11:23:43 -70.54,-174.01 108.25 03/17/2026 11:24:39 -70.52,-173.96 108.28 3.02 56

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/5/2026
SNOs_Map_LANDSAT-8_NPP_20260306.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/05/2026 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP