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: 11/25/2025
| 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 | 11/26/2025 | 06:20:16 | 70.96, 79.96 | 91.86 | 11/26/2025 | 06:21:23 | 70.83, 82.16 | 91.71 | 81.58 | 67 |
| 2 | 11/26/2025 | 07:10:43 | -70.07,-111.30 | 89.04 | 11/26/2025 | 07:11:05 | -70.06,-111.34 | 89.06 | 2.29 | 22 |
| 3 | 11/26/2025 | 08:01:27 | 69.96, 56.18 | 90.86 | 11/26/2025 | 08:00:32 | 69.95, 56.16 | 90.85 | 1.10 | 55 |
| 4 | 11/28/2025 | 22:37:00 | 70.11,-162.91 | 91.47 | 11/28/2025 | 22:38:04 | 70.12,-162.99 | 91.49 | 3.62 | 64 |
| 5 | 11/28/2025 | 23:27:43 | -70.05, 4.48 | 88.58 | 11/28/2025 | 23:27:33 | -70.07, 4.56 | 88.57 | 3.42 | 10 |
| 6 | 11/29/2025 | 00:18:18 | 69.47, 172.66 | 90.84 | 11/29/2025 | 00:17:08 | 69.52, 171.45 | 90.89 | 47.60 | 70 |
| 7 | 12/01/2025 | 14:54:00 | 70.10, -47.15 | 91.89 | 12/01/2025 | 14:54:32 | 70.10, -47.13 | 91.90 | 0.84 | 32 |
| 8 | 12/01/2025 | 15:44:42 | -69.99, 120.34 | 88.22 | 12/01/2025 | 15:44:02 | -70.00, 120.35 | 88.21 | 1.32 | 40 |
| 9 | 12/04/2025 | 06:20:18 | -70.35, -99.09 | 87.48 | 12/04/2025 | 06:21:30 | -70.28, -98.64 | 87.56 | 18.70 | 72 |
| 10 | 12/04/2025 | 07:10:58 | 70.05, 68.68 | 92.22 | 12/04/2025 | 07:10:59 | 70.06, 68.69 | 92.23 | 1.34 | 1 |
| 11 | 12/04/2025 | 08:01:40 | -69.93,-123.82 | 87.90 | 12/04/2025 | 08:00:29 | -69.95,-123.83 | 87.87 | 2.98 | 71 |
| 12 | 12/06/2025 | 22:37:13 | -70.09, 17.07 | 87.41 | 12/06/2025 | 22:38:00 | -70.10, 16.99 | 87.40 | 3.14 | 47 |
| 13 | 12/06/2025 | 23:27:57 | 70.00,-175.49 | 92.51 | 12/06/2025 | 23:27:27 | 69.99,-175.52 | 92.49 | 2.12 | 30 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/25/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 11/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8