Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/4/2025
Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
1 | 08/04/2025 | 23:01:43 | 70.03,-169.27 | 53.06 | 08/04/2025 | 23:02:29 | 70.02,-169.27 | 53.04 | 0.93 | 46 |
2 | 08/04/2025 | 23:52:24 | -69.90, -1.76 | 127.07 | 08/04/2025 | 23:51:59 | -69.91, -1.79 | 127.06 | 1.22 | 25 |
3 | 08/07/2025 | 15:18:37 | 69.98, -53.41 | 53.74 | 08/07/2025 | 15:19:01 | 69.96, -53.47 | 53.72 | 2.91 | 24 |
4 | 08/07/2025 | 16:09:19 | -69.90, 114.02 | 126.34 | 08/07/2025 | 16:08:30 | -69.91, 114.09 | 126.32 | 2.67 | 49 |
5 | 08/10/2025 | 06:44:51 | -70.26,-105.39 | 125.21 | 08/10/2025 | 06:46:02 | -70.21,-104.88 | 125.29 | 19.67 | 71 |
6 | 08/10/2025 | 07:35:31 | 69.93, 62.43 | 54.46 | 08/10/2025 | 07:35:32 | 69.94, 62.37 | 54.47 | 2.59 | 1 |
7 | 08/10/2025 | 08:26:13 | -69.85,-130.13 | 125.62 | 08/10/2025 | 08:25:02 | -69.83,-130.14 | 125.63 | 1.51 | 71 |
8 | 08/12/2025 | 23:01:42 | -70.06, 10.71 | 124.63 | 08/12/2025 | 23:02:35 | -70.07, 10.79 | 124.63 | 3.16 | 53 |
9 | 08/12/2025 | 23:52:25 | 69.89, 178.27 | 55.21 | 08/12/2025 | 23:52:03 | 69.90, 178.20 | 55.23 | 3.37 | 22 |
10 | 08/13/2025 | 00:42:53 | -69.06, -13.21 | 125.65 | 08/13/2025 | 00:41:45 | -69.14, -15.20 | 125.49 | 79.31 | 68 |
11 | 08/15/2025 | 15:18:35 | -70.01, 126.55 | 123.85 | 08/15/2025 | 15:19:05 | -70.01, 126.59 | 123.85 | 1.51 | 30 |
12 | 08/15/2025 | 16:09:19 | 69.90, -65.97 | 56.05 | 08/15/2025 | 16:08:32 | 69.90, -65.93 | 56.05 | 1.75 | 47 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/4/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8