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: 8/14/2025
| 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 | 21:10:03 | 70.55,-141.36 | 56.46 | 08/14/2025 | 21:11:14 | 70.45,-140.84 | 56.33 | 22.55 | 71 |
| 2 | 08/14/2025 | 22:00:40 | -70.23, 26.48 | 123.87 | 08/14/2025 | 22:00:46 | -70.22, 26.47 | 123.88 | 0.66 | 6 |
| 3 | 08/14/2025 | 22:51:25 | 70.14,-166.08 | 56.05 | 08/14/2025 | 22:50:13 | 70.13,-166.03 | 56.04 | 2.32 | 72 |
| 4 | 08/17/2025 | 13:26:53 | 70.32, -25.21 | 57.06 | 08/17/2025 | 13:27:47 | 70.30, -25.18 | 57.03 | 3.06 | 54 |
| 5 | 08/17/2025 | 14:17:34 | -70.20, 142.30 | 123.06 | 08/17/2025 | 14:17:17 | -70.18, 142.29 | 123.07 | 1.98 | 17 |
| 6 | 08/17/2025 | 15:08:04 | 69.32, -49.08 | 56.05 | 08/17/2025 | 15:06:57 | 69.37, -51.20 | 56.16 | 83.19 | 67 |
| 7 | 08/20/2025 | 05:43:45 | 70.26, 90.68 | 57.86 | 08/20/2025 | 05:44:17 | 70.24, 90.61 | 57.84 | 3.68 | 32 |
| 8 | 08/20/2025 | 06:34:27 | -70.18,-101.88 | 122.21 | 08/20/2025 | 06:33:46 | -70.18,-101.84 | 122.21 | 1.62 | 41 |
| 9 | 08/22/2025 | 21:10:03 | -70.79, 38.31 | 120.71 | 08/22/2025 | 21:11:13 | -70.70, 39.53 | 120.84 | 45.97 | 70 |
| 10 | 08/22/2025 | 22:00:39 | 70.25,-153.52 | 58.74 | 08/22/2025 | 22:00:46 | 70.26,-153.47 | 58.76 | 2.74 | 7 |
| 11 | 08/22/2025 | 22:51:20 | -70.11, 14.01 | 121.39 | 08/22/2025 | 22:50:17 | -70.10, 13.93 | 121.39 | 3.04 | 63 |
| 12 | 08/25/2025 | 13:26:48 | -70.31, 154.87 | 120.30 | 08/25/2025 | 13:27:49 | -70.33, 154.87 | 120.28 | 2.71 | 61 |
| 13 | 08/25/2025 | 14:17:32 | 70.19, -37.65 | 59.60 | 08/25/2025 | 14:17:16 | 70.22, -37.65 | 59.63 | 3.35 | 16 |
| 14 | 08/25/2025 | 15:08:04 | -69.58, 130.60 | 121.03 | 08/25/2025 | 15:06:54 | -69.68, 129.22 | 120.89 | 54.52 | 70 |
| 15 | 08/28/2025 | 05:43:42 | -70.30, -89.34 | 119.37 | 08/28/2025 | 05:44:19 | -70.27, -89.34 | 119.41 | 3.55 | 37 |
| 16 | 08/28/2025 | 06:34:25 | 70.14, 78.22 | 60.48 | 08/28/2025 | 06:33:46 | 70.16, 78.15 | 60.50 | 3.35 | 39 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/14/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/14/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9