Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/3/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 04/05/2025 | 15:42:17 | 70.57, -60.37 | 64.22 | 04/05/2025 | 15:43:26 | 70.46, -59.02 | 64.06 | 51.53 | 69 |
| 2 | 04/05/2025 | 16:32:49 | -69.97, 107.89 | 116.43 | 04/05/2025 | 16:33:03 | -69.97, 107.91 | 116.43 | 0.64 | 14 |
| 3 | 04/05/2025 | 17:23:33 | 69.83, -84.59 | 63.42 | 04/05/2025 | 17:22:30 | 69.86, -84.60 | 63.46 | 3.29 | 63 |
| 4 | 04/08/2025 | 07:59:06 | 70.01, 56.27 | 62.62 | 04/08/2025 | 08:00:04 | 70.02, 56.23 | 62.63 | 2.60 | 58 |
| 5 | 04/08/2025 | 08:49:48 | -69.93,-136.29 | 117.48 | 04/08/2025 | 08:49:34 | -69.92,-136.29 | 117.49 | 0.53 | 14 |
| 6 | 04/08/2025 | 09:40:20 | 69.15, 32.13 | 61.71 | 04/08/2025 | 09:39:12 | 69.20, 30.39 | 61.81 | 69.26 | 68 |
| 7 | 04/11/2025 | 00:16:05 | 69.98, 172.06 | 61.60 | 04/11/2025 | 00:16:33 | 70.01, 172.08 | 61.62 | 3.40 | 28 |
| 8 | 04/11/2025 | 01:06:47 | -69.90, -20.49 | 118.51 | 04/11/2025 | 01:06:03 | -69.91, -20.42 | 118.49 | 3.03 | 44 |
| 9 | 04/13/2025 | 15:42:22 | -70.20, 120.18 | 119.15 | 04/13/2025 | 15:43:33 | -70.16, 120.52 | 119.21 | 13.68 | 71 |
| 10 | 04/13/2025 | 16:33:03 | 69.92, -72.09 | 60.55 | 04/13/2025 | 16:33:02 | 69.93, -72.15 | 60.56 | 2.71 | 1 |
| 11 | 04/13/2025 | 17:23:45 | -69.83, 95.37 | 119.56 | 04/13/2025 | 17:22:32 | -69.83, 95.34 | 119.55 | 0.99 | 73 |
| 12 | 04/16/2025 | 07:59:16 | -69.98,-123.73 | 120.33 | 04/16/2025 | 08:00:01 | -70.00,-123.81 | 120.32 | 3.56 | 45 |
| 13 | 04/16/2025 | 08:50:00 | 69.87, 43.75 | 59.54 | 04/16/2025 | 08:49:28 | 69.88, 43.67 | 59.55 | 3.29 | 32 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/3/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/03/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9