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: 2/22/2025
| 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 | 02/23/2025 | 06:45:31 | -70.14,-105.02 | 100.12 | 02/23/2025 | 06:46:11 | -70.13,-105.07 | 100.13 | 2.10 | 40 |
| 2 | 02/23/2025 | 07:36:16 | 70.04, 62.43 | 79.78 | 02/23/2025 | 07:35:38 | 70.03, 62.42 | 79.77 | 1.67 | 38 |
| 3 | 02/25/2025 | 22:11:53 | 70.60,-157.31 | 79.40 | 02/25/2025 | 22:13:03 | 70.49,-156.30 | 79.23 | 39.45 | 70 |
| 4 | 02/25/2025 | 23:02:27 | -70.11, 10.77 | 101.14 | 02/25/2025 | 23:02:38 | -70.10, 10.77 | 101.16 | 1.65 | 11 |
| 5 | 02/25/2025 | 23:53:11 | 69.97, 178.30 | 78.70 | 02/25/2025 | 23:52:05 | 69.99, 178.26 | 78.74 | 2.61 | 66 |
| 6 | 02/28/2025 | 14:28:40 | 70.18, -40.87 | 77.93 | 02/28/2025 | 14:29:33 | 70.19, -40.84 | 77.94 | 2.11 | 53 |
| 7 | 02/28/2025 | 15:19:21 | -70.05, 126.63 | 102.22 | 02/28/2025 | 15:19:03 | -70.08, 126.63 | 102.19 | 3.21 | 18 |
| 8 | 02/28/2025 | 16:09:51 | 69.17, -64.78 | 76.85 | 02/28/2025 | 16:08:44 | 69.20, -66.92 | 76.97 | 84.97 | 67 |
| 9 | 03/03/2025 | 06:45:35 | 70.13, 74.96 | 76.86 | 03/03/2025 | 06:45:59 | 70.13, 74.96 | 76.85 | 0.58 | 24 |
| 10 | 03/03/2025 | 07:36:16 | -70.00,-117.52 | 103.30 | 03/03/2025 | 07:35:29 | -70.02,-117.56 | 103.27 | 2.29 | 47 |
| 11 | 03/05/2025 | 22:11:45 | -70.17, 23.36 | 104.13 | 03/05/2025 | 22:12:57 | -70.19, 23.30 | 104.12 | 3.10 | 72 |
| 12 | 03/05/2025 | 23:02:30 | 70.10,-169.23 | 75.79 | 03/05/2025 | 23:02:24 | 70.07,-169.22 | 75.76 | 3.02 | 6 |
| 13 | 03/05/2025 | 23:53:08 | -69.80, -1.46 | 104.54 | 03/05/2025 | 23:51:56 | -69.86, -1.89 | 104.46 | 17.26 | 72 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/22/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9