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: 7/8/2025
| 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 | 07/08/2025 | 13:26:51 | -70.27, 154.75 | 132.16 | 07/08/2025 | 13:27:26 | -70.28, 154.82 | 132.15 | 2.99 | 35 |
| 2 | 07/08/2025 | 14:17:35 | 70.14, -37.74 | 47.71 | 07/08/2025 | 14:16:54 | 70.13, -37.77 | 47.71 | 1.53 | 41 |
| 3 | 07/11/2025 | 04:53:11 | 70.67, 102.57 | 48.60 | 07/11/2025 | 04:54:22 | 70.55, 103.46 | 48.44 | 35.41 | 71 |
| 4 | 07/11/2025 | 05:43:46 | -70.22, -89.40 | 131.87 | 07/11/2025 | 05:43:56 | -70.22, -89.39 | 131.87 | 0.74 | 10 |
| 5 | 07/11/2025 | 06:34:30 | 70.09, 78.10 | 48.01 | 07/11/2025 | 06:33:23 | 70.11, 78.10 | 48.03 | 2.12 | 67 |
| 6 | 07/13/2025 | 21:10:00 | 70.31,-141.08 | 48.61 | 07/13/2025 | 21:10:55 | 70.30,-141.02 | 48.59 | 2.68 | 55 |
| 7 | 07/13/2025 | 22:00:41 | -70.18, 26.44 | 131.52 | 07/13/2025 | 22:00:25 | -70.19, 26.46 | 131.51 | 1.41 | 16 |
| 8 | 07/13/2025 | 22:51:12 | 69.36,-165.04 | 47.63 | 07/13/2025 | 22:50:04 | 69.42,-166.97 | 47.77 | 75.89 | 68 |
| 9 | 07/16/2025 | 13:26:54 | 70.27, -25.25 | 49.00 | 07/16/2025 | 13:27:23 | 70.25, -25.20 | 48.97 | 2.84 | 29 |
| 10 | 07/16/2025 | 14:17:35 | -70.14, 142.27 | 131.13 | 07/16/2025 | 14:16:53 | -70.15, 142.29 | 131.12 | 1.08 | 42 |
| 11 | 07/19/2025 | 04:53:10 | -70.63, -77.35 | 130.16 | 07/19/2025 | 04:54:21 | -70.53, -76.54 | 130.30 | 31.69 | 71 |
| 12 | 07/19/2025 | 05:43:48 | 70.19, 90.66 | 49.38 | 07/19/2025 | 05:43:52 | 70.20, 90.61 | 49.39 | 2.26 | 4 |
| 13 | 07/19/2025 | 06:34:30 | -70.11,-101.90 | 130.70 | 07/19/2025 | 06:33:22 | -70.10,-101.90 | 130.70 | 1.54 | 68 |
| 14 | 07/21/2025 | 21:09:59 | -70.29, 38.98 | 130.01 | 07/21/2025 | 21:10:53 | -70.30, 39.00 | 130.01 | 1.64 | 54 |
| 15 | 07/21/2025 | 22:00:43 | 70.16,-153.51 | 49.86 | 07/21/2025 | 22:00:20 | 70.18,-153.52 | 49.89 | 2.42 | 23 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/8/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/08/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9