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: 7/21/2026
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 07/23/2026 07:16:12 70.94, 68.50 50.84 07/23/2026 07:15:45 70.93, 68.51 50.84 0.60 27
2 07/23/2026 08:05:42 -70.82,-124.04 129.26 07/23/2026 08:06:26 -70.80,-123.96 129.29 3.54 44
3 07/25/2026 22:43:15 -71.10, 16.99 128.45 07/25/2026 22:42:02 -71.17, 16.57 128.36 16.85 73
4 07/25/2026 23:32:44 70.89,-175.70 51.36 07/25/2026 23:32:43 70.88,-175.63 51.35 2.75 1
5 07/26/2026 00:22:13 -70.83, -8.15 128.69 07/26/2026 00:23:25 -70.80, -8.18 128.72 3.35 72
6 07/28/2026 14:59:48 -70.98, 132.69 127.95 07/28/2026 14:58:57 -70.96, 132.70 127.96 2.24 51
7 07/28/2026 15:49:15 70.88, -59.83 51.96 07/28/2026 15:49:42 70.88, -59.86 51.96 0.97 27
8 07/31/2026 06:26:35 71.77, 82.23 53.45 07/31/2026 06:25:28 71.82, 79.62 53.58 90.56 67
9 07/31/2026 07:16:18 -70.97,-111.46 127.32 07/31/2026 07:15:55 -70.97,-111.54 127.31 2.93 23
10 07/31/2026 08:05:45 70.86, 56.02 52.59 07/31/2026 08:06:39 70.84, 55.99 52.56 2.60 54
11 08/02/2026 22:43:20 70.98,-163.19 53.37 08/02/2026 22:42:11 71.01,-163.14 53.40 2.86 69
12 08/02/2026 23:32:49 -70.94, 4.37 126.67 08/02/2026 23:32:53 -70.93, 4.30 126.68 2.69 4
13 08/03/2026 00:22:21 70.55, 171.43 52.97 08/03/2026 00:23:32 70.54, 172.26 52.92 30.79 71

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/21/2026
SNOs_Map_LANDSAT-8_NPP_20260722.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/21/2026 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP