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: 11/4/2025
| 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 | 1.73 | 35 |
| 2 | 11/05/2025 | 00:17:38 | -69.98, -7.92 | 94.44 | 11/05/2025 | 00:17:02 | -69.99, -7.90 | 94.43 | 1.30 | 36 |
| 3 | 11/07/2025 | 14:53:15 | -70.91, 131.77 | 92.73 | 11/07/2025 | 14:54:22 | -70.80, 133.88 | 92.84 | 78.04 | 67 |
| 4 | 11/07/2025 | 15:43:45 | 70.05, -59.55 | 86.42 | 11/07/2025 | 15:44:01 | 70.03, -59.59 | 86.40 | 2.63 | 16 |
| 5 | 11/07/2025 | 16:34:26 | -69.93, 107.96 | 93.69 | 11/07/2025 | 16:33:31 | -69.93, 107.89 | 93.70 | 2.80 | 55 |
| 6 | 11/10/2025 | 07:09:51 | -70.18,-111.26 | 92.70 | 11/10/2025 | 07:11:02 | -70.16,-111.18 | 92.72 | 4.13 | 71 |
| 7 | 11/10/2025 | 08:00:35 | 70.06, 56.23 | 87.20 | 11/10/2025 | 08:00:29 | 70.05, 56.31 | 87.18 | 3.36 | 6 |
| 8 | 11/10/2025 | 08:51:14 | -69.83,-136.09 | 93.03 | 11/10/2025 | 08:50:00 | -69.89,-136.28 | 92.98 | 9.88 | 74 |
| 9 | 11/12/2025 | 23:26:39 | -70.09, 4.68 | 92.06 | 11/12/2025 | 23:27:31 | -70.09, 4.61 | 92.06 | 2.71 | 52 |
| 10 | 11/13/2025 | 00:17:23 | 69.98, 172.16 | 87.84 | 11/13/2025 | 00:16:58 | 69.98, 172.10 | 87.84 | 2.57 | 25 |
| 11 | 11/13/2025 | 01:07:49 | -69.04, -19.17 | 93.08 | 11/13/2025 | 01:06:42 | -69.10, -21.45 | 93.03 | 90.83 | 67 |
| 12 | 11/15/2025 | 15:43:29 | -70.11, 120.45 | 91.35 | 11/15/2025 | 15:43:58 | -70.11, 120.52 | 91.35 | 2.72 | 29 |
| 13 | 11/15/2025 | 16:34:12 | 69.95, -72.00 | 88.51 | 11/15/2025 | 16:33:26 | 69.94, -72.07 | 88.49 | 3.07 | 46 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/4/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 11/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8