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: 3/8/2025
| 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 | 03/09/2025 | 22:37:06 | -70.15, 17.04 | 105.72 | 03/09/2025 | 22:37:39 | -70.14, 16.99 | 105.74 | 2.15 | 33 |
| 2 | 03/09/2025 | 23:27:50 | 70.03,-175.46 | 74.13 | 03/09/2025 | 23:27:06 | 70.04,-175.52 | 74.15 | 2.45 | 44 |
| 3 | 03/12/2025 | 14:03:23 | 70.45, -34.98 | 73.55 | 03/12/2025 | 14:04:35 | 70.36, -34.46 | 73.42 | 22.05 | 72 |
| 4 | 03/12/2025 | 14:54:01 | -70.15, 132.80 | 106.78 | 03/12/2025 | 14:54:07 | -70.14, 132.86 | 106.80 | 2.66 | 6 |
| 5 | 03/12/2025 | 15:44:45 | 70.03, -59.71 | 73.08 | 03/12/2025 | 15:43:34 | 70.03, -59.65 | 73.09 | 2.21 | 71 |
| 6 | 03/15/2025 | 06:20:12 | 70.21, 81.18 | 72.23 | 03/15/2025 | 06:21:04 | 70.21, 81.21 | 72.22 | 1.21 | 52 |
| 7 | 03/15/2025 | 07:10:54 | -70.11,-111.36 | 107.89 | 03/15/2025 | 07:10:34 | -70.10,-111.31 | 107.90 | 2.30 | 20 |
| 8 | 03/15/2025 | 08:01:22 | 69.15, 57.35 | 71.10 | 03/15/2025 | 08:00:15 | 69.21, 55.13 | 71.25 | 88.16 | 67 |
| 9 | 03/17/2025 | 22:37:05 | 70.13,-162.94 | 71.08 | 03/17/2025 | 22:37:32 | 70.14,-163.01 | 71.09 | 2.84 | 27 |
| 10 | 03/17/2025 | 23:27:47 | -70.03, 4.53 | 109.04 | 03/17/2025 | 23:27:02 | -70.03, 4.48 | 109.03 | 2.21 | 45 |
| 11 | 03/20/2025 | 14:03:18 | -70.37, 145.15 | 109.72 | 03/20/2025 | 14:04:30 | -70.32, 145.49 | 109.80 | 14.06 | 72 |
| 12 | 03/20/2025 | 14:53:59 | 70.12, -47.14 | 70.01 | 03/20/2025 | 14:53:58 | 70.14, -47.11 | 70.03 | 3.23 | 1 |
| 13 | 03/20/2025 | 15:44:41 | -70.01, 120.34 | 110.13 | 03/20/2025 | 15:43:29 | -69.99, 120.30 | 110.14 | 2.76 | 72 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/8/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8