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: 11/24/2025
| 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 | 70.94, 80.00 | 91.84 | 11/26/2025 | 06:21:23 | 70.85, 82.20 | 91.74 | 80.89 | 67 |
| 2 | 11/26/2025 | 07:10:44 | -70.10,-111.35 | 89.01 | 11/26/2025 | 07:11:05 | -70.08,-111.30 | 89.03 | 2.71 | 21 |
| 3 | 11/26/2025 | 08:01:28 | 69.99, 56.14 | 90.89 | 11/26/2025 | 08:00:32 | 69.98, 56.20 | 90.87 | 2.64 | 56 |
| 4 | 11/28/2025 | 22:37:00 | 70.14,-162.96 | 91.50 | 11/28/2025 | 22:38:03 | 70.15,-162.95 | 91.52 | 1.70 | 63 |
| 5 | 11/28/2025 | 23:27:42 | -70.03, 4.52 | 88.60 | 11/28/2025 | 23:27:33 | -70.04, 4.53 | 88.59 | 1.60 | 9 |
| 6 | 11/29/2025 | 00:18:18 | 69.50, 172.61 | 90.87 | 11/29/2025 | 00:17:07 | 69.55, 171.49 | 90.92 | 44.12 | 71 |
| 7 | 12/01/2025 | 14:53:59 | 70.08, -47.12 | 91.88 | 12/01/2025 | 14:54:32 | 70.09, -47.16 | 91.88 | 1.63 | 33 |
| 8 | 12/01/2025 | 15:44:41 | -69.97, 120.37 | 88.24 | 12/01/2025 | 15:44:02 | -69.98, 120.32 | 88.23 | 2.31 | 39 |
| 9 | 12/04/2025 | 06:20:19 | -70.39, -99.15 | 87.44 | 12/04/2025 | 06:21:31 | -70.27, -98.65 | 87.57 | 22.50 | 72 |
| 10 | 12/04/2025 | 07:10:58 | 70.03, 68.71 | 92.21 | 12/04/2025 | 07:11:00 | 70.05, 68.67 | 92.22 | 2.31 | 2 |
| 11 | 12/04/2025 | 08:01:41 | -69.96,-123.87 | 87.86 | 12/04/2025 | 08:00:30 | -69.95,-123.84 | 87.88 | 2.45 | 71 |
| 12 | 12/06/2025 | 22:37:14 | -70.13, 17.01 | 87.37 | 12/06/2025 | 22:38:01 | -70.10, 16.99 | 87.40 | 2.96 | 47 |
| 13 | 12/06/2025 | 23:27:57 | 69.99,-175.47 | 92.49 | 12/06/2025 | 23:27:28 | 69.99,-175.53 | 92.49 | 2.14 | 29 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/24/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 11/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8