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: 3/7/2025
| 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 | 104.61 | 2.61 | 57 |
| 2 | 03/07/2025 | 07:10:56 | 70.08, 68.69 | 75.24 | 03/07/2025 | 07:10:37 | 70.07, 68.65 | 75.23 | 2.04 | 19 |
| 3 | 03/07/2025 | 08:01:26 | -69.37,-122.95 | 105.52 | 03/07/2025 | 08:00:17 | -69.41,-124.62 | 105.41 | 65.58 | 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 | 1.66 | 33 |
| 5 | 03/09/2025 | 23:27:50 | 70.02,-175.46 | 74.13 | 03/09/2025 | 23:27:06 | 70.04,-175.51 | 74.16 | 2.63 | 44 |
| 6 | 03/12/2025 | 14:03:24 | 70.50, -35.06 | 73.61 | 03/12/2025 | 14:04:34 | 70.42, -34.36 | 73.49 | 27.46 | 70 |
| 7 | 03/12/2025 | 14:54:01 | -70.15, 132.81 | 106.78 | 03/12/2025 | 14:54:07 | -70.15, 132.88 | 106.79 | 2.68 | 6 |
| 8 | 03/12/2025 | 15:44:45 | 70.03, -59.70 | 73.08 | 03/12/2025 | 15:43:34 | 70.04, -59.63 | 73.10 | 2.77 | 71 |
| 9 | 03/15/2025 | 06:20:12 | 70.20, 81.18 | 72.23 | 03/15/2025 | 06:21:04 | 70.23, 81.24 | 72.24 | 3.40 | 52 |
| 10 | 03/15/2025 | 07:10:53 | -70.06,-111.28 | 107.95 | 03/15/2025 | 07:10:35 | -70.07,-111.36 | 107.93 | 3.28 | 18 |
| 11 | 03/15/2025 | 08:01:22 | 69.15, 57.35 | 71.10 | 03/15/2025 | 08:00:15 | 69.24, 55.15 | 71.27 | 87.37 | 67 |
| 12 | 03/17/2025 | 22:37:06 | 70.18,-163.02 | 71.14 | 03/17/2025 | 22:37:32 | 70.17,-162.96 | 71.12 | 2.40 | 26 |
| 13 | 03/17/2025 | 23:27:48 | -70.08, 4.46 | 108.99 | 03/17/2025 | 23:27:02 | -70.07, 4.52 | 109.00 | 2.81 | 46 |
| 14 | 03/20/2025 | 14:03:19 | -70.42, 145.07 | 109.67 | 03/20/2025 | 14:04:30 | -70.36, 145.56 | 109.75 | 19.15 | 71 |
| 15 | 03/20/2025 | 14:53:59 | 70.12, -47.14 | 70.00 | 03/20/2025 | 14:53:59 | 70.13, -47.13 | 70.02 | 2.20 | 0 |
| 16 | 03/20/2025 | 15:44:41 | -70.01, 120.34 | 110.13 | 03/20/2025 | 15:43:29 | -70.03, 120.36 | 110.09 | 3.25 | 72 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/7/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/07/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8