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: 8/15/2025
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 08/16/2025 05:19:29 70.29, 96.87 56.60 08/16/2025 05:18:25 70.32, 96.91 56.63 3.21 64
2 08/16/2025 06:08:58 -70.23, -95.59 123.45 08/16/2025 06:09:06 -70.20, -95.58 123.48 3.68 8
3 08/16/2025 06:58:33 69.69, 71.30 56.05 08/16/2025 06:59:43 69.69, 72.50 56.00 46.24 70
4 08/18/2025 21:35:58 70.32,-147.21 57.48 08/18/2025 21:35:19 70.30,-147.27 57.47 3.46 39
5 08/18/2025 22:25:29 -70.15, 20.18 122.67 08/18/2025 22:26:00 -70.18, 20.24 122.65 3.08 31
6 08/21/2025 13:02:50 -70.98, 162.03 121.01 08/21/2025 13:01:41 -71.04, 159.99 120.89 73.79 69
7 08/21/2025 13:52:28 70.28, -31.39 58.32 08/21/2025 13:52:13 70.28, -31.47 58.34 3.08 15
8 08/21/2025 14:41:58 -70.17, 136.09 121.78 08/21/2025 14:42:54 -70.16, 136.05 121.79 2.04 56
9 08/24/2025 05:19:31 -70.33, -83.08 120.74 08/24/2025 05:18:22 -70.34, -83.09 120.72 1.87 69
10 08/24/2025 06:08:58 70.22, 84.41 59.17 08/24/2025 06:09:06 70.22, 84.41 59.17 0.59 8
11 08/24/2025 06:58:32 -69.89,-108.42 121.14 08/24/2025 06:59:43 -69.88,-107.74 121.18 25.98 71
12 08/26/2025 21:35:59 -70.31, 32.78 119.84 08/26/2025 21:35:14 -70.28, 32.79 119.86 3.12 45
13 08/26/2025 22:25:26 70.20,-159.74 60.07 08/26/2025 22:25:58 70.17,-159.72 60.04 3.37 32
14 08/29/2025 13:02:47 70.98, -17.95 61.75 08/29/2025 13:01:39 71.06, -20.00 61.88 74.63 68
15 08/29/2025 13:52:28 -70.28, 148.62 118.93 08/29/2025 13:52:08 -70.28, 148.58 118.92 1.29 20
16 08/29/2025 14:41:55 70.16, -43.90 60.98 08/29/2025 14:42:52 70.17, -43.94 60.98 1.79 57

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/15/2025
SNOs_Map_LANDSAT-8_NPP_20250816.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/15/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP