Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/24/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 05/24/2025 | 22:11:32 | -70.23, 23.24 | 130.79 | 05/24/2025 | 22:12:32 | -70.24, 23.30 | 130.78 | 2.66 | 60 |
| 2 | 05/24/2025 | 23:02:16 | 70.09,-169.24 | 49.06 | 05/24/2025 | 23:02:00 | 70.09,-169.28 | 49.06 | 1.55 | 16 |
| 3 | 05/24/2025 | 23:52:48 | -69.49, -1.03 | 131.56 | 05/24/2025 | 23:51:38 | -69.53, -2.41 | 131.49 | 54.13 | 70 |
| 4 | 05/27/2025 | 14:28:29 | -70.19, 139.06 | 131.29 | 05/27/2025 | 14:29:01 | -70.17, 139.07 | 131.31 | 2.54 | 32 |
| 5 | 05/27/2025 | 15:19:13 | 70.05, -53.42 | 48.57 | 05/27/2025 | 15:18:28 | 70.07, -53.43 | 48.58 | 1.41 | 45 |
| 6 | 05/30/2025 | 05:54:45 | 70.34, 87.28 | 48.46 | 05/30/2025 | 05:55:57 | 70.30, 87.50 | 48.41 | 9.36 | 72 |
| 7 | 05/30/2025 | 06:45:25 | -70.16,-105.13 | 131.73 | 05/30/2025 | 06:45:28 | -70.13,-105.11 | 131.76 | 3.21 | 3 |
| 8 | 05/30/2025 | 07:36:08 | 69.97, 62.47 | 48.07 | 05/30/2025 | 07:34:56 | 69.97, 62.31 | 48.08 | 6.06 | 72 |
| 9 | 06/01/2025 | 22:11:40 | 70.20,-156.75 | 47.95 | 06/01/2025 | 22:12:26 | 70.18,-156.78 | 47.93 | 2.35 | 46 |
| 10 | 06/01/2025 | 23:02:21 | -70.08, 10.76 | 132.18 | 06/01/2025 | 23:01:56 | -70.08, 10.70 | 132.18 | 2.20 | 25 |
| 11 | 06/04/2025 | 13:38:07 | -71.04, 150.33 | 131.49 | 06/04/2025 | 13:39:14 | -70.93, 152.57 | 131.66 | 81.89 | 67 |
| 12 | 06/04/2025 | 14:28:37 | 70.18, -40.95 | 47.61 | 06/04/2025 | 14:28:53 | 70.16, -40.93 | 47.59 | 1.94 | 16 |
| 13 | 06/04/2025 | 15:19:18 | -70.05, 126.56 | 132.53 | 06/04/2025 | 15:18:23 | -70.06, 126.55 | 132.52 | 0.61 | 55 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/24/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9