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: 5/5/2025
| 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 | -70.69, 144.71 | 126.36 | 05/07/2025 | 14:04:05 | -70.58, 145.83 | 126.50 | 43.12 | 70 |
| 2 | 05/07/2025 | 14:53:31 | 70.16, -47.14 | 53.09 | 05/07/2025 | 14:53:38 | 70.15, -47.15 | 53.07 | 1.29 | 7 |
| 3 | 05/07/2025 | 15:44:13 | -70.06, 120.33 | 127.03 | 05/07/2025 | 15:43:08 | -70.03, 120.32 | 127.05 | 2.92 | 65 |
| 4 | 05/10/2025 | 06:19:44 | -70.20, -98.76 | 127.58 | 05/10/2025 | 06:20:39 | -70.21, -98.83 | 127.58 | 2.75 | 55 |
| 5 | 05/10/2025 | 07:10:28 | 70.09, 68.72 | 52.30 | 05/10/2025 | 07:10:06 | 70.10, 68.66 | 52.31 | 2.44 | 22 |
| 6 | 05/10/2025 | 08:00:56 | -69.25,-122.73 | 128.57 | 05/10/2025 | 07:59:48 | -69.33,-124.76 | 128.45 | 80.17 | 68 |
| 7 | 05/12/2025 | 21:46:16 | 71.13,-151.84 | 52.72 | 05/12/2025 | 21:47:22 | 71.07,-149.29 | 52.60 | 91.98 | 66 |
| 8 | 05/12/2025 | 22:36:42 | -70.20, 17.01 | 128.26 | 05/12/2025 | 22:37:06 | -70.19, 17.03 | 128.27 | 0.98 | 24 |
| 9 | 05/12/2025 | 23:27:26 | 70.09,-175.51 | 51.62 | 05/12/2025 | 23:26:33 | 70.08,-175.48 | 51.62 | 1.25 | 53 |
| 10 | 05/15/2025 | 14:02:56 | 70.25, -34.63 | 51.16 | 05/15/2025 | 14:04:02 | 70.25, -34.64 | 51.16 | 0.66 | 66 |
| 11 | 05/15/2025 | 14:53:38 | -70.15, 132.84 | 128.95 | 05/15/2025 | 14:53:32 | -70.14, 132.84 | 128.96 | 0.59 | 6 |
| 12 | 05/15/2025 | 15:44:15 | 69.67, -59.13 | 50.54 | 05/15/2025 | 15:43:04 | 69.76, -60.05 | 50.66 | 37.13 | 71 |
| 13 | 05/18/2025 | 06:19:53 | 70.21, 81.19 | 50.51 | 05/18/2025 | 06:20:28 | 70.22, 81.21 | 50.53 | 2.15 | 35 |
| 14 | 05/18/2025 | 07:10:35 | -70.11,-111.34 | 129.60 | 05/18/2025 | 07:09:58 | -70.12,-111.30 | 129.59 | 1.80 | 37 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/5/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/05/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8