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: 10/16/2025
| 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 | 10/18/2025 | 15:18:02 | -70.27, 126.42 | 99.99 | 10/18/2025 | 15:19:14 | -70.21, 126.85 | 100.04 | 17.09 | 72 |
| 2 | 10/18/2025 | 16:08:43 | 69.98, -65.84 | 79.75 | 10/18/2025 | 16:08:43 | 70.00, -65.81 | 79.76 | 2.16 | 0 |
| 3 | 10/18/2025 | 16:59:25 | -69.89, 101.62 | 100.34 | 10/18/2025 | 16:58:13 | -69.89, 101.67 | 100.34 | 1.89 | 72 |
| 4 | 10/21/2025 | 07:35:00 | -70.03,-117.47 | 99.26 | 10/21/2025 | 07:35:45 | -70.04,-117.51 | 99.26 | 2.08 | 45 |
| 5 | 10/21/2025 | 08:25:44 | 69.90, 50.03 | 80.63 | 10/21/2025 | 08:25:12 | 69.93, 49.98 | 80.65 | 3.33 | 32 |
| 6 | 10/23/2025 | 23:01:27 | 70.52,-169.81 | 82.17 | 10/23/2025 | 23:02:37 | 70.38,-168.77 | 82.02 | 42.10 | 70 |
| 7 | 10/23/2025 | 23:52:01 | -70.01, -1.69 | 98.34 | 10/23/2025 | 23:52:12 | -70.00, -1.68 | 98.36 | 1.71 | 11 |
| 8 | 10/24/2025 | 00:42:45 | 69.89, 165.80 | 81.55 | 10/24/2025 | 00:41:39 | 69.88, 165.80 | 81.55 | 0.36 | 66 |
| 9 | 10/26/2025 | 15:18:20 | 70.04, -53.31 | 82.60 | 10/26/2025 | 15:19:10 | 70.03, -53.38 | 82.59 | 2.97 | 50 |
| 10 | 10/26/2025 | 16:09:02 | -69.95, 114.15 | 97.48 | 10/26/2025 | 16:08:40 | -69.93, 114.11 | 97.51 | 2.99 | 22 |
| 11 | 10/29/2025 | 06:44:51 | -70.84,-106.14 | 95.71 | 10/29/2025 | 06:45:59 | -70.70,-104.15 | 95.85 | 74.76 | 68 |
| 12 | 10/29/2025 | 07:35:21 | 69.99, 62.52 | 83.45 | 10/29/2025 | 07:35:37 | 69.99, 62.45 | 83.44 | 2.83 | 16 |
| 13 | 10/29/2025 | 08:26:03 | -69.89,-130.02 | 96.64 | 10/29/2025 | 08:25:07 | -69.88,-130.06 | 96.65 | 2.03 | 56 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/16/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/16/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8