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: 4/1/2025
| 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 | 14:16:56 | 70.23, -37.71 | 64.63 | 2.38 | 55 |
| 2 | 04/03/2025 | 15:06:42 | -70.11, 129.73 | 115.50 | 04/03/2025 | 15:06:26 | -70.11, 129.77 | 115.50 | 1.18 | 16 |
| 3 | 04/03/2025 | 15:57:13 | 69.27, -61.72 | 63.62 | 04/03/2025 | 15:56:05 | 69.34, -63.64 | 63.75 | 75.95 | 68 |
| 4 | 04/06/2025 | 06:33:00 | 70.18, 78.07 | 63.56 | 04/06/2025 | 06:33:21 | 70.20, 78.14 | 63.58 | 3.61 | 21 |
| 5 | 04/06/2025 | 07:23:41 | -70.05,-114.42 | 116.58 | 04/06/2025 | 07:22:52 | -70.03,-114.46 | 116.60 | 2.97 | 49 |
| 6 | 04/08/2025 | 21:59:15 | -70.22, 26.45 | 117.39 | 04/08/2025 | 22:00:20 | -70.24, 26.45 | 117.39 | 1.75 | 65 |
| 7 | 04/08/2025 | 22:50:00 | 70.13,-166.11 | 62.51 | 04/08/2025 | 22:49:47 | 70.12,-166.07 | 62.50 | 1.99 | 13 |
| 8 | 04/08/2025 | 23:40:34 | -69.64, 1.95 | 118.02 | 04/08/2025 | 23:39:23 | -69.69, 0.95 | 117.94 | 38.98 | 71 |
| 9 | 04/11/2025 | 14:16:15 | -70.19, 142.26 | 118.42 | 04/11/2025 | 14:16:45 | -70.18, 142.26 | 118.43 | 0.89 | 30 |
| 10 | 04/11/2025 | 15:06:59 | 70.05, -50.23 | 61.43 | 04/11/2025 | 15:06:12 | 70.06, -50.26 | 61.45 | 1.61 | 47 |
| 11 | 04/14/2025 | 05:42:33 | 70.25, 90.60 | 60.68 | 04/14/2025 | 05:43:39 | 70.24, 90.61 | 60.67 | 1.23 | 66 |
| 12 | 04/14/2025 | 06:33:14 | -70.11,-101.87 | 119.48 | 04/14/2025 | 06:33:09 | -70.13,-101.91 | 119.46 | 2.62 | 5 |
| 13 | 04/14/2025 | 07:23:52 | 69.67, 66.11 | 60.05 | 04/14/2025 | 07:22:41 | 69.74, 65.19 | 60.16 | 36.39 | 71 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/1/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/01/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9