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: 4/1/2026
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 04/02/2026 09:44:42 -70.71,-149.05 114.36 04/02/2026 09:43:58 -70.70,-148.98 114.36 3.02 44
2 04/02/2026 10:34:09 70.61, 18.44 65.54 04/02/2026 10:34:43 70.60, 18.49 65.52 2.36 34
3 04/05/2026 01:11:35 70.93, 159.53 64.84 04/05/2026 01:10:23 71.03, 158.91 64.97 24.91 72
4 04/05/2026 02:01:07 -70.70, -33.18 115.39 04/05/2026 02:01:00 -70.70, -33.22 115.39 1.52 7
5 04/05/2026 02:50:34 70.60, 134.31 64.50 04/05/2026 02:51:45 70.60, 134.24 64.50 2.41 71
6 04/07/2026 17:28:04 70.73, -84.89 63.63 04/07/2026 17:27:20 70.72, -84.82 63.63 2.54 44
7 04/07/2026 18:17:33 -70.67, 82.66 116.44 04/07/2026 18:18:02 -70.66, 82.61 116.45 2.31 29
8 04/10/2026 08:54:56 -71.16,-135.97 116.94 04/10/2026 08:53:45 -71.20,-137.17 116.87 43.23 71
9 04/10/2026 09:44:30 70.67, 30.92 62.58 04/10/2026 09:44:22 70.69, 30.99 62.60 3.26 8
10 04/10/2026 10:33:59 -70.62,-161.53 117.49 04/10/2026 10:35:04 -70.62,-161.57 117.49 1.55 65
11 04/13/2026 01:11:28 -70.76, -20.70 118.31 04/13/2026 01:10:39 -70.75, -20.65 118.32 2.34 49
12 04/13/2026 02:00:55 70.65, 146.78 61.58 04/13/2026 02:01:24 70.66, 146.80 61.58 1.14 29

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/1/2026
SNOs_Map_LANDSAT-8_NPP_20260401.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/01/2026 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP