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: 5/28/2025
| 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 | 05/28/2025 | 21:46:28 | 70.94,-151.58 | 49.29 | 05/28/2025 | 21:47:35 | 70.86,-149.47 | 49.16 | 77.22 | 67 |
| 2 | 05/28/2025 | 22:36:56 | -70.14, 17.02 | 131.55 | 05/28/2025 | 22:37:16 | -70.14, 17.09 | 131.55 | 2.61 | 20 |
| 3 | 05/28/2025 | 23:27:40 | 70.00,-175.45 | 48.30 | 05/28/2025 | 23:26:44 | 69.99,-175.48 | 48.30 | 1.33 | 56 |
| 4 | 05/31/2025 | 14:03:11 | 70.18, -34.59 | 48.10 | 05/31/2025 | 14:04:17 | 70.15, -34.65 | 48.07 | 3.28 | 66 |
| 5 | 05/31/2025 | 14:53:53 | -70.11, 132.83 | 131.97 | 05/31/2025 | 14:53:46 | -70.09, 132.90 | 131.99 | 3.27 | 7 |
| 6 | 05/31/2025 | 15:44:30 | 69.59, -59.10 | 47.49 | 05/31/2025 | 15:43:19 | 69.66, -60.06 | 47.59 | 37.92 | 71 |
| 7 | 06/03/2025 | 06:20:08 | 70.15, 81.21 | 47.73 | 06/03/2025 | 06:20:46 | 70.14, 81.21 | 47.71 | 1.63 | 38 |
| 8 | 06/03/2025 | 07:10:49 | -70.03,-111.29 | 132.40 | 06/03/2025 | 07:10:16 | -70.03,-111.31 | 132.40 | 0.87 | 33 |
| 9 | 06/05/2025 | 21:46:31 | -70.79, 28.64 | 131.89 | 06/05/2025 | 21:47:40 | -70.64, 30.21 | 132.09 | 59.84 | 69 |
| 10 | 06/05/2025 | 22:37:04 | 70.08,-162.92 | 47.36 | 06/05/2025 | 22:37:15 | 70.10,-162.95 | 47.38 | 2.88 | 11 |
| 11 | 06/05/2025 | 23:27:46 | -70.01, 4.50 | 132.72 | 06/05/2025 | 23:26:45 | -69.99, 4.53 | 132.73 | 2.01 | 61 |
| 12 | 06/08/2025 | 14:03:15 | -70.14, 145.43 | 132.82 | 06/08/2025 | 14:04:16 | -70.16, 145.38 | 132.81 | 2.47 | 61 |
| 13 | 06/08/2025 | 14:54:00 | 70.06, -47.13 | 47.09 | 06/08/2025 | 14:53:43 | 70.04, -47.14 | 47.08 | 1.72 | 17 |
| 14 | 06/08/2025 | 15:44:31 | -69.41, 121.15 | 133.59 | 06/08/2025 | 15:43:21 | -69.50, 119.74 | 133.45 | 55.90 | 70 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/28/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8