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: 4/4/2025
| 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 | 04/06/2025 | 06:33:01 | 70.21, 78.02 | 63.59 | 04/06/2025 | 06:33:30 | 70.19, 78.10 | 63.57 | 3.36 | 29 |
| 2 | 04/06/2025 | 07:23:42 | -70.09,-114.48 | 116.55 | 04/06/2025 | 07:23:00 | -70.08,-114.42 | 116.55 | 2.14 | 42 |
| 3 | 04/08/2025 | 21:59:21 | -70.52, 25.97 | 117.08 | 04/08/2025 | 22:00:33 | -70.40, 26.61 | 117.23 | 27.90 | 72 |
| 4 | 04/08/2025 | 22:50:00 | 70.12,-166.09 | 62.49 | 04/08/2025 | 22:50:03 | 70.13,-166.13 | 62.50 | 1.74 | 3 |
| 5 | 04/08/2025 | 23:40:42 | -70.05, 1.34 | 117.60 | 04/08/2025 | 23:39:33 | -70.02, 1.35 | 117.62 | 3.24 | 69 |
| 6 | 04/11/2025 | 14:16:15 | -70.24, 142.18 | 118.37 | 04/11/2025 | 14:17:07 | -70.22, 142.22 | 118.40 | 2.66 | 52 |
| 7 | 04/11/2025 | 15:06:59 | 70.10, -50.30 | 61.48 | 04/11/2025 | 15:06:34 | 70.11, -50.29 | 61.49 | 1.26 | 25 |
| 8 | 04/11/2025 | 15:57:25 | -69.18, 118.37 | 119.49 | 04/11/2025 | 15:56:18 | -69.24, 116.15 | 119.37 | 87.61 | 67 |
| 9 | 04/14/2025 | 05:42:49 | 71.15, 89.12 | 61.63 | 04/14/2025 | 05:43:55 | 71.07, 91.73 | 61.47 | 94.30 | 66 |
| 10 | 04/14/2025 | 06:33:14 | -70.18,-101.97 | 119.41 | 04/14/2025 | 06:33:39 | -70.20,-101.94 | 119.39 | 3.09 | 25 |
| 11 | 04/14/2025 | 07:23:58 | 70.05, 65.54 | 60.45 | 04/14/2025 | 07:23:07 | 70.04, 65.47 | 60.44 | 2.78 | 51 |
| 12 | 04/16/2025 | 21:59:31 | 70.22,-153.59 | 59.70 | 04/16/2025 | 22:00:42 | 70.23,-153.67 | 59.70 | 3.18 | 71 |
| 13 | 04/16/2025 | 22:50:13 | -70.13, 13.86 | 120.41 | 04/16/2025 | 22:50:12 | -70.13, 13.82 | 120.42 | 1.66 | 1 |
| 14 | 04/16/2025 | 23:40:54 | 69.85,-178.40 | 59.29 | 04/16/2025 | 23:39:41 | 69.90,-178.85 | 59.36 | 18.36 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/4/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/04/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9