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: 4/2/2025
| 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 | 04/03/2025 | 00:15:49 | -69.98, -7.88 | 115.39 | 04/03/2025 | 00:16:31 | -70.00, -7.90 | 115.37 | 2.71 | 42 |
| 2 | 04/03/2025 | 01:06:34 | 69.90, 159.55 | 64.52 | 04/03/2025 | 01:05:58 | 69.90, 159.60 | 64.52 | 1.95 | 36 |
| 3 | 04/05/2025 | 15:42:09 | 70.71, -60.54 | 64.37 | 04/05/2025 | 15:43:17 | 70.65, -58.71 | 64.24 | 67.74 | 68 |
| 4 | 04/05/2025 | 16:32:39 | -70.00, 107.89 | 116.39 | 04/05/2025 | 16:32:57 | -69.98, 107.96 | 116.41 | 3.33 | 18 |
| 5 | 04/05/2025 | 17:23:22 | 69.88, -84.62 | 63.47 | 04/05/2025 | 17:22:23 | 69.88, -84.55 | 63.48 | 2.72 | 59 |
| 6 | 04/08/2025 | 07:58:45 | 70.06, 56.28 | 62.68 | 04/08/2025 | 07:59:52 | 70.03, 56.29 | 62.64 | 3.19 | 67 |
| 7 | 04/08/2025 | 08:49:26 | -69.93,-136.20 | 117.48 | 04/08/2025 | 08:49:22 | -69.92,-136.24 | 117.48 | 1.45 | 4 |
| 8 | 04/08/2025 | 09:40:05 | 69.54, 31.67 | 62.11 | 04/08/2025 | 09:38:53 | 69.59, 30.95 | 62.19 | 28.35 | 72 |
| 9 | 04/11/2025 | 00:15:33 | 70.01, 172.16 | 61.62 | 04/11/2025 | 00:16:16 | 70.03, 172.18 | 61.64 | 3.27 | 43 |
| 10 | 04/11/2025 | 01:06:15 | -69.92, -20.39 | 118.48 | 04/11/2025 | 01:05:46 | -69.92, -20.34 | 118.48 | 2.24 | 29 |
| 11 | 04/13/2025 | 15:41:53 | -70.91, 119.22 | 118.41 | 04/13/2025 | 15:43:00 | -70.82, 121.59 | 118.57 | 87.04 | 67 |
| 12 | 04/13/2025 | 16:32:21 | 69.96, -71.97 | 60.60 | 04/13/2025 | 16:32:40 | 69.99, -71.98 | 60.62 | 3.29 | 19 |
| 13 | 04/13/2025 | 17:23:03 | -69.87, 95.48 | 119.51 | 04/13/2025 | 17:22:10 | -69.88, 95.51 | 119.50 | 1.75 | 53 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/2/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/02/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9