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: 3/9/2025
| 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, 17.05 | 105.73 | 03/09/2025 | 22:37:39 | -70.15, 16.99 | 105.73 | 2.05 | 33 |
| 2 | 03/09/2025 | 23:27:51 | 70.07,-175.53 | 74.18 | 03/09/2025 | 23:27:06 | 70.04,-175.51 | 74.16 | 3.35 | 45 |
| 3 | 03/12/2025 | 14:03:23 | 70.44, -34.97 | 73.54 | 03/12/2025 | 14:04:35 | 70.35, -34.47 | 73.42 | 21.23 | 72 |
| 4 | 03/12/2025 | 14:54:01 | -70.15, 132.81 | 106.79 | 03/12/2025 | 14:54:07 | -70.13, 132.85 | 106.81 | 2.08 | 6 |
| 5 | 03/12/2025 | 15:44:45 | 70.03, -59.69 | 73.08 | 03/12/2025 | 15:43:34 | 70.02, -59.66 | 73.08 | 1.45 | 71 |
| 6 | 03/15/2025 | 06:20:12 | 70.20, 81.19 | 72.22 | 03/15/2025 | 06:21:04 | 70.19, 81.18 | 72.20 | 0.87 | 52 |
| 7 | 03/15/2025 | 07:10:54 | -70.10,-111.35 | 107.90 | 03/15/2025 | 07:10:34 | -70.08,-111.33 | 107.92 | 2.48 | 20 |
| 8 | 03/15/2025 | 08:01:22 | 69.14, 57.36 | 71.09 | 03/15/2025 | 08:00:15 | 69.20, 55.11 | 71.24 | 89.48 | 67 |
| 9 | 03/17/2025 | 22:37:06 | 70.17,-163.00 | 71.13 | 03/17/2025 | 22:37:31 | 70.16,-162.98 | 71.11 | 2.17 | 25 |
| 10 | 03/17/2025 | 23:27:48 | -70.07, 4.47 | 108.99 | 03/17/2025 | 23:27:01 | -70.05, 4.51 | 109.01 | 2.90 | 47 |
| 11 | 03/20/2025 | 14:03:18 | -70.36, 145.17 | 109.73 | 03/20/2025 | 14:04:29 | -70.31, 145.49 | 109.80 | 13.33 | 71 |
| 12 | 03/20/2025 | 14:53:59 | 70.11, -47.13 | 69.99 | 03/20/2025 | 14:53:58 | 70.08, -47.19 | 69.97 | 3.29 | 1 |
| 13 | 03/20/2025 | 15:44:41 | -70.00, 120.35 | 110.14 | 03/20/2025 | 15:43:28 | -69.98, 120.30 | 110.14 | 2.71 | 73 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/9/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/09/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8