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: 2/19/2025
| 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 | 02/20/2025 | 14:28:35 | -70.19, 139.14 | 99.09 | 02/20/2025 | 14:29:43 | -70.16, 139.09 | 99.12 | 3.17 | 68 |
| 2 | 02/20/2025 | 15:19:20 | 70.09, -53.40 | 80.80 | 02/20/2025 | 15:19:10 | 70.06, -53.41 | 80.77 | 3.22 | 10 |
| 3 | 02/20/2025 | 16:09:56 | -69.71, 114.48 | 99.61 | 02/20/2025 | 16:08:44 | -69.73, 113.76 | 99.56 | 27.93 | 72 |
| 4 | 02/23/2025 | 06:45:31 | -70.15,-105.04 | 100.10 | 02/23/2025 | 06:46:11 | -70.12,-105.08 | 100.14 | 3.13 | 40 |
| 5 | 02/23/2025 | 07:36:15 | 70.01, 62.49 | 79.74 | 02/23/2025 | 07:35:38 | 70.02, 62.41 | 79.76 | 3.13 | 37 |
| 6 | 02/25/2025 | 22:11:53 | 70.62,-157.34 | 79.41 | 02/25/2025 | 22:13:03 | 70.48,-156.31 | 79.22 | 40.93 | 70 |
| 7 | 02/25/2025 | 23:02:26 | -70.07, 10.84 | 101.18 | 02/25/2025 | 23:02:38 | -70.09, 10.76 | 101.16 | 3.54 | 12 |
| 8 | 02/25/2025 | 23:53:11 | 69.99, 178.27 | 78.72 | 02/25/2025 | 23:52:05 | 69.98, 178.25 | 78.73 | 0.97 | 66 |
| 9 | 02/28/2025 | 14:28:41 | 70.19, -40.90 | 77.95 | 02/28/2025 | 14:29:34 | 70.18, -40.86 | 77.93 | 2.34 | 53 |
| 10 | 02/28/2025 | 15:19:22 | -70.07, 126.61 | 102.20 | 02/28/2025 | 15:19:04 | -70.07, 126.62 | 102.19 | 0.88 | 18 |
| 11 | 02/28/2025 | 16:09:52 | 69.19, -64.80 | 76.87 | 02/28/2025 | 16:08:44 | 69.24, -66.86 | 77.02 | 81.64 | 68 |
| 12 | 03/03/2025 | 06:45:34 | 70.10, 75.01 | 76.83 | 03/03/2025 | 06:45:59 | 70.11, 74.94 | 76.83 | 2.81 | 25 |
| 13 | 03/03/2025 | 07:36:16 | -70.02,-117.55 | 103.28 | 03/03/2025 | 07:35:29 | -70.00,-117.58 | 103.29 | 1.85 | 47 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/19/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/19/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9