Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/28/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 06/29/2025 | 22:36:11 | 70.78,-164.08 | 47.63 | 06/29/2025 | 22:37:19 | 70.68,-162.12 | 47.45 | 72.90 | 68 |
| 2 | 06/29/2025 | 23:26:39 | -69.96, 4.53 | 133.23 | 06/29/2025 | 23:27:00 | -69.96, 4.47 | 133.23 | 2.26 | 21 |
| 3 | 06/30/2025 | 00:17:24 | 69.88, 171.96 | 46.69 | 06/30/2025 | 00:16:27 | 69.86, 171.97 | 46.67 | 2.60 | 57 |
| 4 | 07/02/2025 | 14:52:58 | 70.04, -47.15 | 47.04 | 07/02/2025 | 14:54:00 | 70.06, -47.14 | 47.05 | 2.43 | 62 |
| 5 | 07/02/2025 | 15:43:40 | -69.96, 120.30 | 133.05 | 07/02/2025 | 15:43:30 | -69.95, 120.34 | 133.06 | 1.77 | 10 |
| 6 | 07/02/2025 | 16:34:15 | 69.35, -71.50 | 46.32 | 07/02/2025 | 16:33:05 | 69.40, -72.77 | 46.43 | 50.03 | 70 |
| 7 | 07/05/2025 | 07:09:58 | 69.98, 68.69 | 47.22 | 07/05/2025 | 07:10:31 | 69.98, 68.62 | 47.21 | 2.64 | 33 |
| 8 | 07/05/2025 | 08:00:40 | -69.90,-123.87 | 132.87 | 07/05/2025 | 08:00:01 | -69.87,-123.89 | 132.89 | 3.22 | 39 |
| 9 | 07/07/2025 | 22:36:18 | -70.32, 16.61 | 132.15 | 07/07/2025 | 22:37:30 | -70.21, 17.20 | 132.29 | 25.46 | 72 |
| 10 | 07/07/2025 | 23:26:57 | 69.93,-175.48 | 47.45 | 07/07/2025 | 23:27:00 | 69.93,-175.55 | 47.45 | 2.75 | 3 |
| 11 | 07/08/2025 | 00:17:39 | -69.85, -8.04 | 132.64 | 07/08/2025 | 00:16:30 | -69.83, -8.06 | 132.64 | 1.78 | 69 |
| 12 | 07/10/2025 | 14:53:13 | -70.01, 132.84 | 132.14 | 07/10/2025 | 14:54:03 | -69.99, 132.77 | 132.17 | 3.06 | 50 |
| 13 | 07/10/2025 | 15:43:58 | 69.93, -59.74 | 47.78 | 07/10/2025 | 15:43:29 | 69.93, -59.67 | 47.78 | 2.67 | 29 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/28/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/28/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9