Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/30/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/31/2025 | 14:53:33 | 70.17, -47.04 | 87.40 | 01/31/2025 | 14:54:19 | 70.18, -47.06 | 87.40 | 1.19 | 46 |
| 2 | 01/31/2025 | 15:44:14 | -70.06, 120.45 | 92.73 | 01/31/2025 | 15:43:49 | -70.07, 120.42 | 92.72 | 1.87 | 25 |
| 3 | 02/03/2025 | 07:10:19 | 70.14, 68.81 | 86.60 | 02/03/2025 | 07:10:49 | 70.16, 68.78 | 86.61 | 2.04 | 30 |
| 4 | 02/03/2025 | 08:01:00 | -70.03,-123.70 | 93.54 | 02/03/2025 | 08:00:19 | -70.05,-123.74 | 93.51 | 2.95 | 41 |
| 5 | 02/05/2025 | 22:36:32 | -70.88, 16.12 | 93.41 | 02/05/2025 | 22:37:40 | -70.80, 17.97 | 93.58 | 68.05 | 68 |
| 6 | 02/05/2025 | 23:27:04 | 70.13,-175.36 | 85.78 | 02/05/2025 | 23:27:17 | 70.15,-175.35 | 85.79 | 2.47 | 13 |
| 7 | 02/06/2025 | 00:17:46 | -70.06, -7.95 | 94.31 | 02/06/2025 | 00:16:47 | -70.04, -7.87 | 94.32 | 3.61 | 59 |
| 8 | 02/08/2025 | 14:53:07 | -70.30, 132.86 | 94.87 | 02/08/2025 | 14:54:18 | -70.26, 133.04 | 94.93 | 8.13 | 71 |
| 9 | 02/08/2025 | 15:43:50 | 70.12, -59.55 | 84.93 | 02/08/2025 | 15:43:46 | 70.09, -59.55 | 84.90 | 3.23 | 4 |
| 10 | 02/08/2025 | 16:34:30 | -69.95, 108.03 | 95.26 | 02/08/2025 | 16:33:16 | -69.99, 107.94 | 95.21 | 5.53 | 74 |
| 11 | 02/11/2025 | 07:09:51 | -70.20,-111.18 | 95.84 | 02/11/2025 | 07:10:46 | -70.22,-111.13 | 95.84 | 2.64 | 55 |
| 12 | 02/11/2025 | 08:00:35 | 70.08, 56.32 | 84.02 | 02/11/2025 | 08:00:13 | 70.10, 56.35 | 84.04 | 3.06 | 22 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/30/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8