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: 10/22/2025
| 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 | 23:01:27 | 70.48,-169.75 | 82.13 | 10/23/2025 | 23:02:37 | 70.39,-168.75 | 82.03 | 38.42 | 70 |
| 2 | 10/23/2025 | 23:52:02 | -70.03, -1.72 | 98.32 | 10/23/2025 | 23:52:12 | -70.00, -1.68 | 98.35 | 3.29 | 10 |
| 3 | 10/24/2025 | 00:42:46 | 69.90, 165.79 | 81.56 | 10/24/2025 | 00:41:39 | 69.90, 165.82 | 81.56 | 1.32 | 67 |
| 4 | 10/26/2025 | 15:18:20 | 70.05, -53.33 | 82.61 | 10/26/2025 | 15:19:08 | 70.07, -53.32 | 82.63 | 2.38 | 48 |
| 5 | 10/26/2025 | 16:09:02 | -69.97, 114.12 | 97.46 | 10/26/2025 | 16:08:38 | -69.96, 114.16 | 97.47 | 1.55 | 24 |
| 6 | 10/29/2025 | 06:44:49 | -70.76,-106.00 | 95.80 | 10/29/2025 | 06:45:58 | -70.65,-104.22 | 95.90 | 66.75 | 69 |
| 7 | 10/29/2025 | 07:35:21 | 70.00, 62.50 | 83.46 | 10/29/2025 | 07:35:35 | 70.00, 62.47 | 83.45 | 1.33 | 14 |
| 8 | 10/29/2025 | 08:26:03 | -69.92,-130.05 | 96.62 | 10/29/2025 | 08:25:05 | -69.89,-130.05 | 96.65 | 3.12 | 58 |
| 9 | 10/31/2025 | 23:01:38 | -70.09, 10.81 | 95.60 | 10/31/2025 | 23:02:33 | -70.11, 10.88 | 95.58 | 3.50 | 55 |
| 10 | 10/31/2025 | 23:52:22 | 69.96, 178.32 | 84.29 | 10/31/2025 | 23:52:01 | 69.94, 178.29 | 84.27 | 2.49 | 21 |
| 11 | 11/01/2025 | 00:42:51 | -69.18, -13.24 | 96.48 | 11/01/2025 | 00:41:42 | -69.23, -15.04 | 96.44 | 71.47 | 69 |
| 12 | 11/03/2025 | 14:28:10 | 70.82, -41.93 | 85.98 | 11/03/2025 | 14:29:18 | 70.73, -39.94 | 85.89 | 73.67 | 68 |
| 13 | 11/03/2025 | 15:18:38 | -70.00, 126.70 | 94.84 | 11/03/2025 | 15:18:59 | -70.02, 126.65 | 94.83 | 2.56 | 21 |
| 14 | 11/03/2025 | 16:09:23 | 69.93, -65.88 | 85.10 | 11/03/2025 | 16:08:26 | 69.90, -65.86 | 85.07 | 2.81 | 57 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/22/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/22/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8