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: 7/13/2025
| 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 | 07/13/2025 | 21:09:59 | 70.29,-141.05 | 48.59 | 07/13/2025 | 21:10:58 | 70.28,-141.06 | 48.57 | 0.69 | 59 |
| 2 | 07/13/2025 | 22:00:40 | -70.17, 26.46 | 131.54 | 07/13/2025 | 22:00:28 | -70.17, 26.42 | 131.53 | 1.68 | 12 |
| 3 | 07/13/2025 | 22:51:14 | 69.50,-165.24 | 47.77 | 07/13/2025 | 22:50:05 | 69.52,-166.85 | 47.86 | 62.74 | 69 |
| 4 | 07/16/2025 | 13:26:54 | 70.26, -25.22 | 48.98 | 07/16/2025 | 13:27:30 | 70.23, -25.25 | 48.95 | 2.83 | 36 |
| 5 | 07/16/2025 | 14:17:35 | -70.13, 142.29 | 131.15 | 07/16/2025 | 14:17:00 | -70.13, 142.23 | 131.15 | 2.45 | 35 |
| 6 | 07/19/2025 | 04:53:16 | -70.93, -77.85 | 129.84 | 07/19/2025 | 04:54:25 | -70.82, -76.14 | 130.02 | 63.46 | 69 |
| 7 | 07/19/2025 | 05:43:49 | 70.23, 90.61 | 49.42 | 07/19/2025 | 05:44:01 | 70.22, 90.61 | 49.41 | 0.40 | 12 |
| 8 | 07/19/2025 | 06:34:30 | -70.10,-101.88 | 130.71 | 07/19/2025 | 06:33:31 | -70.12,-101.90 | 130.68 | 2.14 | 59 |
| 9 | 07/21/2025 | 21:09:58 | -70.28, 38.99 | 130.02 | 07/21/2025 | 21:11:04 | -70.31, 38.97 | 130.00 | 3.34 | 66 |
| 10 | 07/21/2025 | 22:00:43 | 70.20,-153.58 | 49.91 | 07/21/2025 | 22:00:31 | 70.20,-153.55 | 49.90 | 1.13 | 12 |
| 11 | 07/21/2025 | 22:51:18 | -69.76, 14.41 | 130.55 | 07/21/2025 | 22:50:06 | -69.82, 13.56 | 130.45 | 33.60 | 72 |
| 12 | 07/24/2025 | 13:26:53 | -70.26, 154.80 | 129.49 | 07/24/2025 | 13:27:35 | -70.28, 154.80 | 129.48 | 1.67 | 42 |
| 13 | 07/24/2025 | 14:17:38 | 70.18, -37.77 | 50.44 | 07/24/2025 | 14:17:02 | 70.16, -37.73 | 50.42 | 2.95 | 36 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/13/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/13/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9