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: 7/28/2025
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 | 07/28/2025 | 13:02:49 | 70.40, -18.84 | 51.53 | 07/28/2025 | 13:01:36 | 70.45, -19.14 | 51.60 | 12.59 | 73 |
2 | 07/28/2025 | 13:52:20 | -70.23, 148.55 | 128.62 | 07/28/2025 | 13:52:15 | -70.23, 148.52 | 128.62 | 1.22 | 5 |
3 | 07/28/2025 | 14:41:47 | 70.13, -43.95 | 51.29 | 07/28/2025 | 14:43:00 | 70.14, -44.03 | 51.29 | 3.10 | 73 |
4 | 07/31/2025 | 05:19:20 | 70.28, 96.87 | 52.06 | 07/31/2025 | 05:18:28 | 70.29, 96.90 | 52.08 | 0.89 | 52 |
5 | 07/31/2025 | 06:08:50 | -70.17, -95.65 | 128.04 | 07/31/2025 | 06:09:09 | -70.17, -95.61 | 128.04 | 1.69 | 19 |
6 | 07/31/2025 | 06:58:32 | 69.24, 70.71 | 51.10 | 07/31/2025 | 06:59:38 | 69.23, 73.09 | 50.99 | 93.81 | 66 |
7 | 08/02/2025 | 21:35:48 | 70.25,-147.28 | 52.72 | 08/02/2025 | 21:35:21 | 70.23,-147.24 | 52.70 | 2.93 | 27 |
8 | 08/02/2025 | 22:25:18 | -70.15, 20.20 | 127.38 | 08/02/2025 | 22:26:03 | -70.17, 20.18 | 127.36 | 2.50 | 45 |
9 | 08/05/2025 | 13:02:48 | -70.43, 161.22 | 126.42 | 08/05/2025 | 13:01:35 | -70.53, 160.76 | 126.29 | 20.47 | 73 |
10 | 08/05/2025 | 13:52:17 | 70.21, -31.46 | 53.39 | 08/05/2025 | 13:52:16 | 70.24, -31.47 | 53.42 | 3.12 | 1 |
11 | 08/05/2025 | 14:41:47 | -70.10, 136.03 | 126.71 | 08/05/2025 | 14:42:57 | -70.12, 136.04 | 126.70 | 1.52 | 70 |
12 | 08/08/2025 | 05:19:18 | -70.31, -83.06 | 125.78 | 08/08/2025 | 05:18:26 | -70.33, -83.14 | 125.76 | 3.20 | 52 |
13 | 08/08/2025 | 06:08:45 | 70.20, 84.42 | 54.12 | 08/08/2025 | 06:09:10 | 70.20, 84.38 | 54.12 | 1.63 | 25 |
14 | 08/08/2025 | 06:58:30 | -69.27,-109.22 | 126.75 | 08/08/2025 | 06:59:36 | -69.28,-106.94 | 126.83 | 89.82 | 66 |
15 | 08/10/2025 | 20:46:01 | 71.21,-133.43 | 55.85 | 08/10/2025 | 20:44:55 | 71.25,-136.21 | 55.99 | 99.27 | 66 |
16 | 08/10/2025 | 21:35:47 | -70.23, 32.71 | 125.08 | 08/10/2025 | 21:35:19 | -70.24, 32.79 | 125.08 | 2.94 | 28 |
17 | 08/10/2025 | 22:25:13 | 70.17,-159.73 | 54.87 | 08/10/2025 | 22:26:04 | 70.16,-159.78 | 54.86 | 2.60 | 51 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/28/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/28/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP