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: 1/16/2025
| 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 | 01/18/2025 | 06:20:21 | -70.19, -98.75 | 89.33 | 01/18/2025 | 06:21:22 | -70.19, -98.79 | 89.34 | 1.59 | 61 |
| 2 | 01/18/2025 | 07:11:05 | 70.07, 68.74 | 90.54 | 01/18/2025 | 07:10:49 | 70.09, 68.71 | 90.56 | 2.45 | 16 |
| 3 | 01/18/2025 | 08:01:37 | -69.47,-123.04 | 90.10 | 01/18/2025 | 08:00:27 | -69.54,-124.42 | 89.98 | 54.33 | 70 |
| 4 | 01/20/2025 | 22:37:09 | -70.19, 17.06 | 89.90 | 01/20/2025 | 22:37:50 | -70.16, 17.05 | 89.94 | 3.09 | 41 |
| 5 | 01/20/2025 | 23:27:53 | 70.07,-175.45 | 89.97 | 01/20/2025 | 23:27:17 | 70.05,-175.46 | 89.96 | 1.48 | 36 |
| 6 | 01/23/2025 | 14:03:28 | 70.95, -35.69 | 90.31 | 01/23/2025 | 14:04:36 | 70.86, -33.66 | 90.13 | 74.61 | 68 |
| 7 | 01/23/2025 | 14:53:56 | -70.14, 132.93 | 90.56 | 01/23/2025 | 14:54:17 | -70.15, 132.92 | 90.56 | 0.99 | 21 |
| 8 | 01/23/2025 | 15:44:40 | 70.02, -59.58 | 89.31 | 01/23/2025 | 15:43:44 | 70.04, -59.59 | 89.33 | 2.15 | 56 |
| 9 | 01/26/2025 | 06:20:01 | 70.23, 81.27 | 88.89 | 01/26/2025 | 06:21:13 | 70.21, 81.26 | 88.86 | 2.37 | 72 |
| 10 | 01/26/2025 | 07:10:42 | -70.10,-111.21 | 91.26 | 01/26/2025 | 07:10:43 | -70.10,-111.26 | 91.26 | 1.85 | 1 |
| 11 | 01/26/2025 | 08:01:24 | 69.87, 56.44 | 88.50 | 01/26/2025 | 08:00:11 | 69.93, 56.15 | 88.58 | 12.75 | 73 |
| 12 | 01/28/2025 | 22:36:48 | 70.20,-162.88 | 88.16 | 01/28/2025 | 22:37:39 | 70.18,-162.89 | 88.13 | 2.24 | 51 |
| 13 | 01/28/2025 | 23:27:29 | -70.07, 4.63 | 91.99 | 01/28/2025 | 23:27:09 | -70.07, 4.59 | 91.98 | 1.49 | 20 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/16/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/16/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8