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: 11/2/2025
| 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 | 11/04/2025 | 23:26:57 | 70.10,-175.42 | 85.67 | 11/04/2025 | 23:27:32 | 70.11,-175.37 | 85.68 | 1.91 | 35 |
| 2 | 11/05/2025 | 00:17:38 | -69.98, -7.92 | 94.44 | 11/05/2025 | 00:17:02 | -70.00, -7.89 | 94.43 | 1.94 | 36 |
| 3 | 11/07/2025 | 14:53:16 | -70.91, 131.78 | 92.73 | 11/07/2025 | 14:54:23 | -70.80, 133.89 | 92.83 | 78.11 | 67 |
| 4 | 11/07/2025 | 15:43:45 | 70.05, -59.55 | 86.42 | 11/07/2025 | 15:44:01 | 70.04, -59.59 | 86.41 | 2.11 | 16 |
| 5 | 11/07/2025 | 16:34:26 | -69.93, 107.96 | 93.70 | 11/07/2025 | 16:33:31 | -69.93, 107.90 | 93.69 | 2.63 | 55 |
| 6 | 11/10/2025 | 07:09:51 | -70.18,-111.26 | 92.70 | 11/10/2025 | 07:11:02 | -70.17,-111.17 | 92.71 | 3.74 | 71 |
| 7 | 11/10/2025 | 08:00:34 | 70.01, 56.31 | 87.15 | 11/10/2025 | 08:00:30 | 70.00, 56.24 | 87.13 | 3.09 | 4 |
| 8 | 11/10/2025 | 08:51:14 | -69.83,-136.09 | 93.03 | 11/10/2025 | 08:50:01 | -69.84,-136.35 | 93.02 | 10.11 | 73 |
| 9 | 11/12/2025 | 23:26:39 | -70.09, 4.69 | 92.06 | 11/12/2025 | 23:27:31 | -70.10, 4.63 | 92.05 | 2.74 | 52 |
| 10 | 11/13/2025 | 00:17:23 | 69.98, 172.16 | 87.84 | 11/13/2025 | 00:16:58 | 69.99, 172.11 | 87.85 | 2.37 | 25 |
| 11 | 11/13/2025 | 01:07:49 | -69.04, -19.17 | 93.08 | 11/13/2025 | 01:06:42 | -69.11, -21.44 | 93.02 | 90.44 | 67 |
| 12 | 11/15/2025 | 15:43:28 | -70.05, 120.53 | 91.40 | 11/15/2025 | 15:43:59 | -70.07, 120.46 | 91.39 | 2.98 | 31 |
| 13 | 11/15/2025 | 16:34:12 | 69.95, -72.00 | 88.51 | 11/15/2025 | 16:33:26 | 69.95, -72.06 | 88.50 | 2.18 | 46 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/2/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 11/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8