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: 8/13/2025
| 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 | 08/14/2025 | 21:10:02 | 70.54,-141.33 | 56.44 | 08/14/2025 | 21:11:13 | 70.47,-140.81 | 56.35 | 20.63 | 71 |
| 2 | 08/14/2025 | 22:00:40 | -70.26, 26.43 | 123.84 | 08/14/2025 | 22:00:45 | -70.25, 26.50 | 123.86 | 3.07 | 5 |
| 3 | 08/14/2025 | 22:51:24 | 70.12,-166.05 | 56.03 | 08/14/2025 | 22:50:12 | 70.15,-166.00 | 56.06 | 3.42 | 72 |
| 4 | 08/17/2025 | 13:26:52 | 70.30, -25.18 | 57.04 | 08/17/2025 | 13:27:46 | 70.32, -25.15 | 57.05 | 1.96 | 54 |
| 5 | 08/17/2025 | 14:17:33 | -70.18, 142.33 | 123.08 | 08/17/2025 | 14:17:16 | -70.21, 142.32 | 123.05 | 3.04 | 17 |
| 6 | 08/17/2025 | 15:08:03 | 69.30, -49.06 | 56.03 | 08/17/2025 | 15:06:56 | 69.39, -51.17 | 56.18 | 83.45 | 67 |
| 7 | 08/20/2025 | 05:43:46 | 70.29, 90.63 | 57.90 | 08/20/2025 | 05:44:17 | 70.26, 90.64 | 57.86 | 3.12 | 31 |
| 8 | 08/20/2025 | 06:34:27 | -70.16,-101.85 | 122.23 | 08/20/2025 | 06:33:47 | -70.15,-101.88 | 122.23 | 1.40 | 40 |
| 9 | 08/22/2025 | 21:10:04 | -70.82, 38.25 | 120.68 | 08/22/2025 | 21:11:14 | -70.67, 39.49 | 120.86 | 48.12 | 70 |
| 10 | 08/22/2025 | 22:00:39 | 70.23,-153.49 | 58.72 | 08/22/2025 | 22:00:47 | 70.24,-153.51 | 58.73 | 1.63 | 8 |
| 11 | 08/22/2025 | 22:51:21 | -70.14, 13.96 | 121.36 | 08/22/2025 | 22:50:17 | -70.13, 13.98 | 121.36 | 1.30 | 64 |
| 12 | 08/25/2025 | 13:26:48 | -70.34, 154.82 | 120.27 | 08/25/2025 | 13:27:49 | -70.31, 154.83 | 120.30 | 2.99 | 61 |
| 13 | 08/25/2025 | 14:17:32 | 70.22, -37.69 | 59.63 | 08/25/2025 | 14:17:16 | 70.20, -37.68 | 59.61 | 2.56 | 16 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/13/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/13/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9