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: 1/27/2025
| 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 | 01/27/2025 | 14:28:26 | 70.33, -40.98 | 88.65 | 01/27/2025 | 14:29:38 | 70.28, -40.70 | 88.58 | 11.78 | 72 |
| 2 | 01/27/2025 | 15:19:05 | -70.10, 126.68 | 91.60 | 01/27/2025 | 15:19:09 | -70.11, 126.69 | 91.59 | 0.56 | 4 |
| 3 | 01/27/2025 | 16:09:49 | 69.97, -65.81 | 88.26 | 01/27/2025 | 16:08:36 | 70.01, -65.81 | 88.30 | 3.49 | 73 |
| 4 | 01/30/2025 | 06:45:10 | 70.17, 75.06 | 87.77 | 01/30/2025 | 06:46:06 | 70.16, 75.02 | 87.75 | 1.93 | 56 |
| 5 | 01/30/2025 | 07:35:51 | -70.05,-117.44 | 92.36 | 01/30/2025 | 07:35:36 | -70.05,-117.51 | 92.37 | 2.62 | 15 |
| 6 | 01/30/2025 | 08:26:22 | 69.23, 51.07 | 86.77 | 01/30/2025 | 08:25:14 | 69.33, 49.16 | 86.95 | 75.91 | 68 |
| 7 | 02/01/2025 | 23:01:55 | 70.13,-169.08 | 86.98 | 02/01/2025 | 23:02:30 | 70.16,-169.09 | 87.00 | 2.87 | 35 |
| 8 | 02/01/2025 | 23:52:37 | -70.07, -1.66 | 93.10 | 02/01/2025 | 23:52:00 | -70.05, -1.61 | 93.12 | 2.95 | 37 |
| 9 | 02/04/2025 | 14:28:10 | -70.92, 138.16 | 92.97 | 02/04/2025 | 14:29:18 | -70.77, 140.07 | 93.21 | 71.50 | 68 |
| 10 | 02/04/2025 | 15:18:41 | 70.11, -53.24 | 86.17 | 02/04/2025 | 15:18:55 | 70.11, -53.26 | 86.16 | 0.71 | 14 |
| 11 | 02/04/2025 | 16:09:22 | -69.99, 114.26 | 93.97 | 02/04/2025 | 16:08:25 | -70.00, 114.22 | 93.95 | 1.83 | 57 |
| 12 | 02/07/2025 | 06:44:42 | -70.17,-104.84 | 94.58 | 02/07/2025 | 06:45:52 | -70.18,-104.89 | 94.58 | 2.49 | 70 |
| 13 | 02/07/2025 | 07:35:27 | 70.10, 62.58 | 85.33 | 02/07/2025 | 07:35:19 | 70.07, 62.59 | 85.30 | 3.50 | 8 |
| 14 | 02/07/2025 | 08:26:04 | -69.77,-129.60 | 95.03 | 02/07/2025 | 08:24:51 | -69.85,-130.09 | 94.92 | 20.71 | 73 |
| 15 | 02/09/2025 | 23:01:28 | -70.17, 10.97 | 95.44 | 02/09/2025 | 23:02:15 | -70.15, 10.97 | 95.47 | 2.34 | 47 |
| 16 | 02/09/2025 | 23:52:12 | 70.05, 178.46 | 84.43 | 02/09/2025 | 23:51:42 | 70.03, 178.44 | 84.41 | 1.96 | 30 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/27/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/27/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9