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
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