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: 7/13/2025
| 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 | 07/14/2025 | 14:28:04 | 70.69, -41.88 | 49.16 | 07/14/2025 | 14:29:12 | 70.61, -40.16 | 49.00 | 64.28 | 68 |
| 2 | 07/14/2025 | 15:18:34 | -69.99, 126.54 | 131.58 | 07/14/2025 | 15:18:51 | -70.01, 126.60 | 131.58 | 2.86 | 17 |
| 3 | 07/14/2025 | 16:09:18 | 69.85, -65.95 | 48.28 | 07/14/2025 | 16:08:19 | 69.85, -65.98 | 48.28 | 1.44 | 59 |
| 4 | 07/17/2025 | 06:44:47 | 70.02, 74.94 | 48.89 | 07/17/2025 | 06:45:53 | 70.04, 74.88 | 48.89 | 2.89 | 66 |
| 5 | 07/17/2025 | 07:35:29 | -69.95,-117.63 | 131.19 | 07/17/2025 | 07:35:23 | -69.93,-117.63 | 131.21 | 2.07 | 6 |
| 6 | 07/17/2025 | 08:26:06 | 69.44, 50.43 | 48.29 | 07/17/2025 | 08:24:55 | 69.55, 49.48 | 48.44 | 38.51 | 71 |
| 7 | 07/19/2025 | 23:01:42 | 69.99,-169.23 | 49.33 | 07/19/2025 | 23:02:24 | 70.00,-169.29 | 49.34 | 2.61 | 42 |
| 8 | 07/19/2025 | 23:52:24 | -69.91, -1.80 | 130.74 | 07/19/2025 | 23:51:54 | -69.90, -1.80 | 130.76 | 1.80 | 30 |
| 9 | 07/22/2025 | 14:28:08 | -70.87, 137.83 | 129.22 | 07/22/2025 | 14:29:15 | -70.77, 140.08 | 129.41 | 83.06 | 67 |
| 10 | 07/22/2025 | 15:18:37 | 69.96, -53.41 | 49.82 | 07/22/2025 | 15:18:55 | 69.95, -53.48 | 49.81 | 2.78 | 18 |
| 11 | 07/22/2025 | 16:09:19 | -69.88, 114.02 | 130.25 | 07/22/2025 | 16:08:25 | -69.85, 114.01 | 130.28 | 3.50 | 54 |
| 12 | 07/25/2025 | 06:44:47 | -70.06,-105.10 | 129.52 | 07/25/2025 | 06:45:57 | -70.06,-105.09 | 129.53 | 0.28 | 70 |
| 13 | 07/25/2025 | 07:35:31 | 69.93, 62.40 | 50.36 | 07/25/2025 | 07:35:24 | 69.94, 62.39 | 50.37 | 0.92 | 7 |
| 14 | 07/25/2025 | 08:26:09 | -69.64,-129.85 | 129.94 | 07/25/2025 | 08:24:56 | -69.73,-130.27 | 129.82 | 19.10 | 73 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/13/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8