Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/20/2025
| Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/22/2025 | 21:10:03 | -70.77, 38.33 | 120.72 | 08/22/2025 | 21:11:14 | -70.66, 39.47 | 120.87 | 43.85 | 71 |
| 2 | 08/22/2025 | 22:00:39 | 70.23,-153.49 | 58.72 | 08/22/2025 | 22:00:47 | 70.24,-153.51 | 58.73 | 1.37 | 8 |
| 3 | 08/22/2025 | 22:51:21 | -70.15, 13.95 | 121.35 | 08/22/2025 | 22:50:17 | -70.12, 13.96 | 121.37 | 3.36 | 64 |
| 4 | 08/25/2025 | 13:26:48 | -70.29, 154.89 | 120.31 | 08/25/2025 | 13:27:50 | -70.30, 154.82 | 120.31 | 2.79 | 62 |
| 5 | 08/25/2025 | 14:17:33 | 70.22, -37.69 | 59.63 | 08/25/2025 | 14:17:17 | 70.20, -37.69 | 59.60 | 2.89 | 16 |
| 6 | 08/25/2025 | 15:08:05 | -69.61, 130.54 | 120.99 | 08/25/2025 | 15:06:55 | -69.65, 129.18 | 120.92 | 53.01 | 70 |
| 7 | 08/28/2025 | 05:43:41 | -70.29, -89.32 | 119.39 | 08/28/2025 | 05:44:18 | -70.30, -89.29 | 119.38 | 1.97 | 37 |
| 8 | 08/28/2025 | 06:34:25 | 70.17, 78.17 | 60.51 | 08/28/2025 | 06:33:45 | 70.19, 78.20 | 60.54 | 2.90 | 40 |
| 9 | 08/30/2025 | 21:10:02 | 70.85,-141.77 | 62.15 | 08/30/2025 | 21:11:11 | 70.72,-140.42 | 61.97 | 51.46 | 69 |
| 10 | 08/30/2025 | 22:00:34 | -70.23, 26.55 | 118.49 | 08/30/2025 | 22:00:48 | -70.23, 26.49 | 118.49 | 2.35 | 14 |
| 11 | 08/30/2025 | 22:51:18 | 70.12,-165.97 | 61.41 | 08/30/2025 | 22:50:15 | 70.12,-166.02 | 61.42 | 1.98 | 63 |
| 12 | 09/02/2025 | 13:26:46 | 70.34, -25.15 | 62.58 | 09/02/2025 | 13:27:46 | 70.36, -25.08 | 62.59 | 3.38 | 60 |
| 13 | 09/02/2025 | 14:17:28 | -70.24, 142.33 | 117.52 | 09/02/2025 | 14:17:16 | -70.25, 142.41 | 117.51 | 3.38 | 12 |
| 14 | 09/02/2025 | 15:08:02 | 69.61, -49.41 | 61.85 | 09/02/2025 | 15:06:52 | 69.64, -50.80 | 61.92 | 54.17 | 70 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/20/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/20/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9