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: 5/6/2025
| 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 | 05/07/2025 | 14:02:55 | -70.67, 144.74 | 126.38 | 05/07/2025 | 14:04:06 | -70.54, 145.78 | 126.54 | 40.92 | 71 |
| 2 | 05/07/2025 | 14:53:31 | 70.14, -47.12 | 53.07 | 05/07/2025 | 14:53:38 | 70.17, -47.12 | 53.09 | 2.98 | 7 |
| 3 | 05/07/2025 | 15:44:13 | -70.04, 120.35 | 127.05 | 05/07/2025 | 15:43:08 | -70.05, 120.34 | 127.04 | 1.11 | 65 |
| 4 | 05/10/2025 | 06:19:45 | -70.24, -98.81 | 127.55 | 05/10/2025 | 06:20:39 | -70.23, -98.80 | 127.56 | 0.59 | 54 |
| 5 | 05/10/2025 | 07:10:29 | 70.12, 68.67 | 52.33 | 05/10/2025 | 07:10:06 | 70.13, 68.70 | 52.34 | 1.07 | 23 |
| 6 | 05/10/2025 | 08:00:57 | -69.29,-122.78 | 128.54 | 05/10/2025 | 07:59:49 | -69.30,-124.80 | 128.48 | 79.63 | 68 |
| 7 | 05/12/2025 | 21:46:16 | 71.16,-151.88 | 52.75 | 05/12/2025 | 21:47:22 | 71.04,-149.33 | 52.57 | 92.84 | 66 |
| 8 | 05/12/2025 | 22:36:41 | -70.17, 17.04 | 128.29 | 05/12/2025 | 22:37:06 | -70.17, 16.99 | 128.30 | 2.25 | 25 |
| 9 | 05/12/2025 | 23:27:25 | 70.06,-175.48 | 51.59 | 05/12/2025 | 23:26:33 | 70.06,-175.52 | 51.59 | 1.74 | 52 |
| 10 | 05/15/2025 | 14:02:56 | 70.22, -34.58 | 51.13 | 05/15/2025 | 14:04:03 | 70.23, -34.66 | 51.14 | 3.52 | 67 |
| 11 | 05/15/2025 | 14:53:38 | -70.12, 132.88 | 128.98 | 05/15/2025 | 14:53:33 | -70.13, 132.81 | 128.98 | 2.54 | 5 |
| 12 | 05/15/2025 | 15:44:16 | 69.69, -59.16 | 50.57 | 05/15/2025 | 15:43:05 | 69.74, -60.08 | 50.64 | 35.85 | 71 |
| 13 | 05/18/2025 | 06:19:54 | 70.22, 81.16 | 50.53 | 05/18/2025 | 06:20:29 | 70.22, 81.20 | 50.52 | 1.55 | 35 |
| 14 | 05/18/2025 | 07:10:36 | -70.13,-111.37 | 129.58 | 05/18/2025 | 07:09:59 | -70.11,-111.32 | 129.60 | 2.92 | 37 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/6/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8