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: 4/3/2026
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 04/05/2026 01:11:36 71.06, 159.72 64.97 04/05/2026 01:10:25 71.12, 158.76 65.06 35.23 71
2 04/05/2026 02:01:11 -70.67, -33.24 115.42 04/05/2026 02:01:00 -70.69, -33.21 115.40 2.68 11
3 04/05/2026 02:50:38 70.57, 134.25 64.47 04/05/2026 02:51:45 70.59, 134.27 64.48 2.09 67
4 04/07/2026 17:28:10 70.79, -84.83 63.69 04/07/2026 17:27:21 70.77, -84.90 63.68 3.31 49
5 04/07/2026 18:17:40 -70.68, 82.64 116.43 04/07/2026 18:18:02 -70.65, 82.61 116.46 2.67 22
6 04/10/2026 08:54:59 -71.52,-135.44 116.58 04/10/2026 08:53:51 -71.56,-137.82 116.48 84.12 68
7 04/10/2026 09:44:39 70.71, 30.93 62.62 04/10/2026 09:44:21 70.69, 30.99 62.60 3.24 18
8 04/10/2026 10:34:09 -70.60,-161.60 117.51 04/10/2026 10:35:03 -70.63,-161.58 117.49 2.72 54
9 04/13/2026 01:11:41 -70.77, -20.75 118.30 04/13/2026 01:10:38 -70.77, -20.68 118.30 2.53 63
10 04/13/2026 02:01:08 70.66, 146.73 61.58 04/13/2026 02:01:23 70.67, 146.78 61.60 2.22 15
11 04/13/2026 02:50:46 -70.12, -46.43 118.96 04/13/2026 02:51:55 -70.08, -44.96 119.03 55.79 69
12 04/15/2026 17:28:09 -70.75, 95.10 119.28 04/15/2026 17:27:40 -70.76, 95.10 119.28 0.40 29
13 04/15/2026 18:17:36 70.64, -97.42 60.60 04/15/2026 18:18:25 70.67, -97.45 60.62 3.08 49

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/3/2026
SNOs_Map_LANDSAT-8_NPP_20260404.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/03/2026 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP