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: 10/23/2025
| 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 | 10/23/2025 | 23:01:28 | 70.54,-169.84 | 82.19 | 10/23/2025 | 23:02:38 | 70.43,-168.70 | 82.08 | 44.30 | 70 |
| 2 | 10/23/2025 | 23:52:01 | -69.99, -1.65 | 98.37 | 10/23/2025 | 23:52:14 | -69.99, -1.70 | 98.36 | 1.91 | 13 |
| 3 | 10/24/2025 | 00:42:46 | 69.91, 165.77 | 81.57 | 10/24/2025 | 00:41:41 | 69.89, 165.80 | 81.56 | 1.94 | 65 |
| 4 | 10/26/2025 | 15:18:21 | 70.06, -53.34 | 82.62 | 10/26/2025 | 15:19:15 | 70.09, -53.32 | 82.65 | 3.16 | 54 |
| 5 | 10/26/2025 | 16:09:03 | -69.98, 114.11 | 97.45 | 10/26/2025 | 16:08:45 | -69.98, 114.16 | 97.45 | 1.95 | 18 |
| 6 | 10/26/2025 | 16:59:33 | 69.10, -77.31 | 81.69 | 10/26/2025 | 16:58:25 | 69.15, -79.31 | 81.74 | 79.55 | 68 |
| 7 | 10/29/2025 | 07:35:21 | 70.01, 62.49 | 83.47 | 10/29/2025 | 07:35:45 | 70.01, 62.45 | 83.47 | 1.73 | 24 |
| 8 | 10/29/2025 | 08:26:03 | -69.92,-130.06 | 96.61 | 10/29/2025 | 08:25:15 | -69.91,-130.07 | 96.63 | 2.10 | 48 |
| 9 | 10/31/2025 | 23:01:38 | -70.10, 10.80 | 95.59 | 10/31/2025 | 23:02:47 | -70.10, 10.80 | 95.59 | 0.14 | 69 |
| 10 | 10/31/2025 | 23:52:22 | 69.97, 178.31 | 84.30 | 10/31/2025 | 23:52:14 | 69.98, 178.29 | 84.31 | 2.03 | 8 |
| 11 | 11/01/2025 | 00:43:00 | -69.67, -13.94 | 95.99 | 11/01/2025 | 00:41:47 | -69.71, -14.45 | 95.95 | 20.53 | 73 |
| 12 | 11/03/2025 | 15:18:39 | -70.06, 126.60 | 94.78 | 11/03/2025 | 15:19:15 | -70.06, 126.65 | 94.78 | 1.66 | 36 |
| 13 | 11/03/2025 | 16:09:23 | 69.93, -65.89 | 85.10 | 11/03/2025 | 16:08:42 | 69.95, -65.87 | 85.12 | 1.98 | 41 |
| 14 | 11/06/2025 | 06:45:00 | 70.23, 74.78 | 86.19 | 11/06/2025 | 06:46:11 | 70.18, 75.07 | 86.15 | 11.99 | 71 |
| 15 | 11/06/2025 | 07:35:39 | -69.98,-117.52 | 94.05 | 11/06/2025 | 07:35:43 | -69.97,-117.59 | 94.06 | 2.82 | 4 |
| 16 | 11/06/2025 | 08:26:23 | 69.85, 49.98 | 85.84 | 11/06/2025 | 08:25:10 | 69.85, 49.88 | 85.83 | 3.55 | 73 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/23/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/23/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8