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: 4/29/2025
| 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 | 04/30/2025 | 23:00:38 | 70.77,-170.24 | 55.65 | 04/30/2025 | 23:01:46 | 70.66,-168.45 | 55.50 | 66.94 | 68 |
| 2 | 04/30/2025 | 23:51:08 | -70.04, -1.77 | 125.13 | 04/30/2025 | 23:51:25 | -70.06, -1.70 | 125.11 | 3.25 | 17 |
| 3 | 05/01/2025 | 00:41:52 | 69.93, 165.71 | 54.75 | 05/01/2025 | 00:40:53 | 69.90, 165.72 | 54.73 | 3.15 | 59 |
| 4 | 05/03/2025 | 15:17:22 | 70.10, -53.41 | 54.15 | 05/03/2025 | 15:18:24 | 70.10, -53.40 | 54.15 | 0.48 | 62 |
| 5 | 05/03/2025 | 16:08:04 | -69.99, 114.07 | 125.97 | 05/03/2025 | 16:07:54 | -69.99, 114.08 | 125.97 | 0.50 | 10 |
| 6 | 05/03/2025 | 16:58:39 | 69.41, -77.77 | 53.42 | 05/03/2025 | 16:57:29 | 69.44, -79.03 | 53.49 | 49.47 | 70 |
| 7 | 05/06/2025 | 07:34:19 | 70.06, 62.40 | 53.35 | 05/06/2025 | 07:34:53 | 70.05, 62.40 | 53.33 | 1.93 | 34 |
| 8 | 05/06/2025 | 08:25:01 | -69.95,-130.11 | 126.77 | 05/06/2025 | 08:24:23 | -69.94,-130.12 | 126.79 | 1.70 | 38 |
| 9 | 05/08/2025 | 23:00:39 | -70.50, 10.17 | 126.92 | 05/08/2025 | 23:01:50 | -70.34, 11.06 | 127.10 | 37.39 | 71 |
| 10 | 05/08/2025 | 23:51:16 | 70.04, 178.20 | 52.60 | 05/08/2025 | 23:51:21 | 70.01, 178.23 | 52.57 | 3.26 | 5 |
| 11 | 05/09/2025 | 00:41:58 | -69.92, -14.31 | 127.53 | 05/09/2025 | 00:40:51 | -69.91, -14.28 | 127.55 | 2.19 | 67 |
| 12 | 05/11/2025 | 15:17:29 | -70.11, 126.55 | 128.02 | 05/11/2025 | 15:18:21 | -70.11, 126.61 | 128.02 | 2.53 | 52 |
| 13 | 05/11/2025 | 16:08:12 | 69.97, -65.93 | 51.83 | 05/11/2025 | 16:07:48 | 70.00, -65.90 | 51.86 | 2.99 | 24 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/29/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/29/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8