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: 5/2/2025
| 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 | 05/02/2025 | 06:19:36 | 70.25, 81.21 | 54.71 | 05/02/2025 | 06:20:41 | 70.23, 81.22 | 54.68 | 1.44 | 65 |
| 2 | 05/02/2025 | 07:10:18 | -70.14,-111.31 | 125.42 | 05/02/2025 | 07:10:11 | -70.12,-111.32 | 125.44 | 2.72 | 7 |
| 3 | 05/02/2025 | 08:00:55 | 69.67, 56.72 | 54.09 | 05/02/2025 | 07:59:44 | 69.69, 55.73 | 54.13 | 38.21 | 71 |
| 4 | 05/04/2025 | 22:36:34 | 70.21,-162.98 | 53.89 | 05/04/2025 | 22:37:10 | 70.20,-162.96 | 53.87 | 1.63 | 36 |
| 5 | 05/04/2025 | 23:27:16 | -70.11, 4.50 | 126.24 | 05/04/2025 | 23:26:40 | -70.08, 4.51 | 126.26 | 2.56 | 36 |
| 6 | 05/07/2025 | 14:02:55 | -70.66, 144.77 | 126.40 | 05/07/2025 | 14:04:06 | -70.56, 145.80 | 126.52 | 39.67 | 71 |
| 7 | 05/07/2025 | 14:53:32 | 70.18, -47.18 | 53.11 | 05/07/2025 | 14:53:38 | 70.18, -47.11 | 53.10 | 2.60 | 6 |
| 8 | 05/07/2025 | 15:44:14 | -70.08, 120.30 | 127.01 | 05/07/2025 | 15:43:08 | -70.07, 120.36 | 127.02 | 2.86 | 66 |
| 9 | 05/10/2025 | 06:19:44 | -70.22, -98.79 | 127.56 | 05/10/2025 | 06:20:38 | -70.23, -98.80 | 127.56 | 1.57 | 54 |
| 10 | 05/10/2025 | 07:10:28 | 70.11, 68.69 | 52.32 | 05/10/2025 | 07:10:05 | 70.12, 68.69 | 52.33 | 1.22 | 23 |
| 11 | 05/10/2025 | 08:00:56 | -69.27,-122.76 | 128.56 | 05/10/2025 | 07:59:48 | -69.30,-124.80 | 128.48 | 80.48 | 68 |
| 12 | 05/12/2025 | 21:46:16 | 71.15,-151.87 | 52.74 | 05/12/2025 | 21:47:22 | 71.02,-149.37 | 52.55 | 91.39 | 66 |
| 13 | 05/12/2025 | 22:36:42 | -70.21, 16.98 | 128.25 | 05/12/2025 | 22:37:05 | -70.20, 17.04 | 128.26 | 2.59 | 23 |
| 14 | 05/12/2025 | 23:27:26 | 70.10,-175.54 | 51.64 | 05/12/2025 | 23:26:32 | 70.09,-175.47 | 51.62 | 3.19 | 54 |
| 15 | 05/15/2025 | 14:02:57 | 70.26, -34.65 | 51.17 | 05/15/2025 | 14:04:02 | 70.24, -34.65 | 51.14 | 2.72 | 65 |
| 16 | 05/15/2025 | 14:53:39 | -70.16, 132.82 | 128.94 | 05/15/2025 | 14:53:32 | -70.13, 132.83 | 128.97 | 3.25 | 7 |
| 17 | 05/15/2025 | 15:44:15 | 69.63, -59.07 | 50.50 | 05/15/2025 | 15:43:05 | 69.69, -60.15 | 50.59 | 41.92 | 70 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/2/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8