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: 4/3/2025
| 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 | 04/03/2025 | 14:16:01 | 70.23, -37.77 | 64.64 | 04/03/2025 | 14:16:58 | 70.22, -37.72 | 64.62 | 2.43 | 57 |
| 2 | 04/03/2025 | 15:06:42 | -70.12, 129.73 | 115.50 | 04/03/2025 | 15:06:28 | -70.11, 129.76 | 115.50 | 1.35 | 14 |
| 3 | 04/03/2025 | 15:57:14 | 69.33, -61.80 | 63.68 | 04/03/2025 | 15:56:06 | 69.40, -63.58 | 63.81 | 70.01 | 68 |
| 4 | 04/06/2025 | 06:33:00 | 70.18, 78.06 | 63.57 | 04/06/2025 | 06:33:29 | 70.17, 78.07 | 63.55 | 1.45 | 29 |
| 5 | 04/06/2025 | 07:23:41 | -70.06,-114.44 | 116.57 | 04/06/2025 | 07:22:59 | -70.07,-114.44 | 116.57 | 0.33 | 42 |
| 6 | 04/08/2025 | 21:59:19 | -70.45, 26.09 | 117.16 | 04/08/2025 | 22:00:30 | -70.38, 26.60 | 117.25 | 20.28 | 71 |
| 7 | 04/08/2025 | 22:50:00 | 70.15,-166.13 | 62.52 | 04/08/2025 | 22:49:59 | 70.16,-166.07 | 62.53 | 2.67 | 1 |
| 8 | 04/08/2025 | 23:40:41 | -70.02, 1.38 | 117.62 | 04/08/2025 | 23:39:30 | -70.00, 1.34 | 117.64 | 2.79 | 71 |
| 9 | 04/11/2025 | 14:16:15 | -70.21, 142.22 | 118.40 | 04/11/2025 | 14:17:02 | -70.19, 142.21 | 118.42 | 2.04 | 47 |
| 10 | 04/11/2025 | 15:06:59 | 70.07, -50.26 | 61.45 | 04/11/2025 | 15:06:29 | 70.08, -50.31 | 61.46 | 1.96 | 30 |
| 11 | 04/14/2025 | 05:42:43 | 70.81, 89.70 | 61.26 | 04/14/2025 | 05:43:52 | 70.69, 91.19 | 61.10 | 55.86 | 69 |
| 12 | 04/14/2025 | 06:33:14 | -70.15,-101.92 | 119.44 | 04/14/2025 | 06:33:30 | -70.15,-101.97 | 119.44 | 2.00 | 16 |
| 13 | 04/14/2025 | 07:23:59 | 70.07, 65.51 | 60.47 | 04/14/2025 | 07:22:56 | 70.09, 65.58 | 60.49 | 3.52 | 63 |
| 14 | 04/16/2025 | 21:59:31 | 70.24,-153.62 | 59.71 | 04/16/2025 | 22:00:25 | 70.24,-153.58 | 59.71 | 1.62 | 54 |
| 15 | 04/16/2025 | 22:50:13 | -70.15, 13.83 | 120.40 | 04/16/2025 | 22:49:55 | -70.14, 13.91 | 120.40 | 2.80 | 18 |
| 16 | 04/16/2025 | 23:40:42 | 69.23,-177.50 | 58.65 | 04/16/2025 | 23:39:35 | 69.30,-179.60 | 58.78 | 83.03 | 67 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/3/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/03/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9