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: 3/15/2025
| 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 | 03/15/2025 | 06:20:12 | 70.19, 81.19 | 72.22 | 03/15/2025 | 06:21:04 | 70.17, 81.16 | 72.19 | 2.85 | 52 |
| 2 | 03/15/2025 | 07:10:54 | -70.11,-111.36 | 107.89 | 03/15/2025 | 07:10:33 | -70.11,-111.29 | 107.89 | 2.52 | 21 |
| 3 | 03/15/2025 | 08:01:22 | 69.14, 57.36 | 71.09 | 03/15/2025 | 08:00:15 | 69.18, 55.08 | 71.22 | 90.48 | 67 |
| 4 | 03/17/2025 | 22:37:05 | 70.13,-162.94 | 71.08 | 03/17/2025 | 22:37:30 | 70.15,-162.99 | 71.10 | 2.80 | 25 |
| 5 | 03/17/2025 | 23:27:47 | -70.04, 4.52 | 109.03 | 03/17/2025 | 23:27:00 | -70.04, 4.49 | 109.03 | 1.28 | 47 |
| 6 | 03/20/2025 | 14:03:16 | -70.29, 145.28 | 109.80 | 03/20/2025 | 14:04:27 | -70.29, 145.47 | 109.82 | 7.00 | 71 |
| 7 | 03/20/2025 | 14:53:59 | 70.13, -47.17 | 70.02 | 03/20/2025 | 14:53:55 | 70.12, -47.13 | 70.01 | 1.81 | 4 |
| 8 | 03/20/2025 | 15:44:39 | -69.93, 120.46 | 110.21 | 03/20/2025 | 15:43:26 | -69.96, 120.27 | 110.16 | 7.97 | 73 |
| 9 | 03/23/2025 | 06:20:07 | -70.19, -98.80 | 110.97 | 03/23/2025 | 06:20:51 | -70.22, -98.74 | 110.95 | 3.25 | 44 |
| 10 | 03/23/2025 | 07:10:51 | 70.10, 68.66 | 68.92 | 03/23/2025 | 07:10:18 | 70.10, 68.74 | 68.93 | 3.03 | 33 |
| 11 | 03/25/2025 | 21:46:28 | 70.81,-151.32 | 68.64 | 03/25/2025 | 21:47:37 | 70.69,-149.78 | 68.46 | 57.90 | 69 |
| 12 | 03/25/2025 | 22:37:00 | -70.17, 17.02 | 112.06 | 03/25/2025 | 22:37:15 | -70.14, 17.05 | 112.09 | 3.13 | 15 |
| 13 | 03/25/2025 | 23:27:43 | 70.03,-175.45 | 67.79 | 03/25/2025 | 23:26:42 | 70.02,-175.47 | 67.79 | 0.66 | 61 |
| 14 | 03/28/2025 | 14:03:10 | 70.22, -34.61 | 66.97 | 03/28/2025 | 14:04:07 | 70.23, -34.55 | 66.96 | 2.02 | 57 |
| 15 | 03/28/2025 | 14:53:52 | -70.10, 132.89 | 113.18 | 03/28/2025 | 14:53:37 | -70.12, 132.93 | 113.16 | 2.27 | 15 |
| 16 | 03/28/2025 | 15:44:23 | 69.33, -58.66 | 66.01 | 03/28/2025 | 15:43:15 | 69.39, -60.43 | 66.14 | 69.76 | 68 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/15/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8