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: 8/12/2025
| 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 | 08/12/2025 | 05:43:47 | -70.28, -89.39 | 124.63 | 08/12/2025 | 05:44:15 | -70.28, -89.33 | 124.64 | 2.05 | 28 |
| 2 | 08/12/2025 | 06:34:31 | 70.14, 78.14 | 55.23 | 08/12/2025 | 06:33:43 | 70.13, 78.09 | 55.23 | 2.24 | 48 |
| 3 | 08/14/2025 | 21:10:02 | 70.52,-141.31 | 56.43 | 08/14/2025 | 21:11:14 | 70.42,-140.88 | 56.31 | 19.66 | 72 |
| 4 | 08/14/2025 | 22:00:40 | -70.25, 26.45 | 123.85 | 08/14/2025 | 22:00:45 | -70.26, 26.51 | 123.85 | 2.73 | 5 |
| 5 | 08/14/2025 | 22:51:24 | 70.11,-166.03 | 56.02 | 08/14/2025 | 22:50:13 | 70.10,-166.07 | 56.02 | 1.61 | 71 |
| 6 | 08/17/2025 | 13:26:52 | 70.29, -25.16 | 57.03 | 08/17/2025 | 13:27:47 | 70.27, -25.22 | 57.00 | 3.52 | 55 |
| 7 | 08/17/2025 | 14:17:34 | -70.22, 142.27 | 123.04 | 08/17/2025 | 14:17:16 | -70.22, 142.33 | 123.04 | 2.26 | 18 |
| 8 | 08/17/2025 | 15:08:04 | 69.34, -49.11 | 56.07 | 08/17/2025 | 15:06:56 | 69.39, -51.16 | 56.19 | 80.42 | 68 |
| 9 | 08/20/2025 | 05:43:46 | 70.27, 90.65 | 57.88 | 08/20/2025 | 05:44:17 | 70.26, 90.64 | 57.86 | 1.86 | 31 |
| 10 | 08/20/2025 | 06:34:27 | -70.14,-101.83 | 122.25 | 08/20/2025 | 06:33:47 | -70.15,-101.88 | 122.24 | 2.15 | 40 |
| 11 | 08/22/2025 | 21:10:04 | -70.80, 38.28 | 120.69 | 08/22/2025 | 21:11:14 | -70.66, 39.48 | 120.87 | 46.48 | 70 |
| 12 | 08/22/2025 | 22:00:39 | 70.21,-153.46 | 58.71 | 08/22/2025 | 22:00:47 | 70.23,-153.52 | 58.72 | 2.91 | 8 |
| 13 | 08/22/2025 | 22:51:20 | -70.13, 13.99 | 121.37 | 08/22/2025 | 22:50:16 | -70.12, 13.96 | 121.37 | 0.92 | 64 |
| 14 | 08/25/2025 | 13:26:48 | -70.32, 154.85 | 120.29 | 08/25/2025 | 13:27:48 | -70.34, 154.89 | 120.27 | 3.31 | 60 |
| 15 | 08/25/2025 | 14:17:32 | 70.20, -37.67 | 59.61 | 08/25/2025 | 14:17:15 | 70.23, -37.63 | 59.64 | 3.35 | 17 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/12/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/12/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9