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: 3/6/2025
| 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 | 03/07/2025 | 06:20:12 | -70.21, -98.82 | 104.61 | 03/07/2025 | 06:21:09 | -70.23, -98.77 | 104.60 | 3.05 | 57 |
| 2 | 03/07/2025 | 07:10:56 | 70.08, 68.69 | 75.24 | 03/07/2025 | 07:10:37 | 70.07, 68.65 | 75.24 | 1.78 | 19 |
| 3 | 03/07/2025 | 08:01:26 | -69.37,-122.95 | 105.52 | 03/07/2025 | 08:00:17 | -69.41,-124.62 | 105.40 | 65.60 | 69 |
| 4 | 03/09/2025 | 22:37:06 | -70.15, 17.04 | 105.73 | 03/09/2025 | 22:37:39 | -70.15, 17.00 | 105.73 | 1.86 | 33 |
| 5 | 03/09/2025 | 23:27:50 | 70.02,-175.46 | 74.13 | 03/09/2025 | 23:27:06 | 70.04,-175.51 | 74.15 | 2.82 | 44 |
| 6 | 03/12/2025 | 14:03:23 | 70.45, -34.97 | 73.55 | 03/12/2025 | 14:04:35 | 70.36, -34.45 | 73.43 | 21.63 | 72 |
| 7 | 03/12/2025 | 14:54:01 | -70.15, 132.81 | 106.79 | 03/12/2025 | 14:54:07 | -70.14, 132.87 | 106.80 | 2.13 | 6 |
| 8 | 03/12/2025 | 15:44:45 | 70.03, -59.70 | 73.08 | 03/12/2025 | 15:43:34 | 70.03, -59.64 | 73.09 | 2.13 | 71 |
| 9 | 03/15/2025 | 06:20:12 | 70.20, 81.18 | 72.22 | 03/15/2025 | 06:21:04 | 70.21, 81.22 | 72.22 | 1.74 | 52 |
| 10 | 03/15/2025 | 07:10:54 | -70.10,-111.35 | 107.90 | 03/15/2025 | 07:10:34 | -70.11,-111.30 | 107.89 | 2.05 | 20 |
| 11 | 03/15/2025 | 08:01:22 | 69.14, 57.36 | 71.09 | 03/15/2025 | 08:00:15 | 69.22, 55.14 | 71.26 | 88.30 | 67 |
| 12 | 03/17/2025 | 22:37:05 | 70.12,-162.92 | 71.08 | 03/17/2025 | 22:37:32 | 70.14,-163.00 | 71.09 | 3.58 | 27 |
| 13 | 03/17/2025 | 23:27:47 | -70.02, 4.55 | 109.05 | 03/17/2025 | 23:27:02 | -70.04, 4.49 | 109.02 | 3.31 | 45 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/6/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8