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: 1/3/2025
| 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 | 01/05/2025 | 14:16:16 | -70.10, 142.21 | 87.40 | 01/05/2025 | 14:17:13 | -70.08, 142.15 | 87.43 | 3.34 | 57 |
| 2 | 01/05/2025 | 15:07:00 | 70.00, -50.32 | 92.49 | 01/05/2025 | 15:06:40 | 69.97, -50.36 | 92.47 | 3.13 | 20 |
| 3 | 01/05/2025 | 15:57:29 | -69.20, 118.15 | 88.34 | 01/05/2025 | 15:56:21 | -69.25, 116.30 | 88.23 | 73.48 | 68 |
| 4 | 01/08/2025 | 05:42:46 | 71.02, 89.18 | 93.24 | 01/08/2025 | 05:43:52 | 70.94, 91.69 | 93.08 | 91.61 | 66 |
| 5 | 01/08/2025 | 06:33:12 | -70.07,-101.98 | 87.77 | 01/08/2025 | 06:33:36 | -70.06,-101.98 | 87.78 | 0.92 | 24 |
| 6 | 01/08/2025 | 07:23:56 | 69.97, 65.48 | 92.13 | 01/08/2025 | 07:23:03 | 69.95, 65.51 | 92.11 | 2.67 | 53 |
| 7 | 01/10/2025 | 21:59:26 | 70.12,-153.60 | 91.91 | 01/10/2025 | 22:00:29 | 70.15,-153.58 | 91.93 | 3.35 | 63 |
| 8 | 01/10/2025 | 22:50:08 | -70.00, 13.89 | 88.22 | 01/10/2025 | 22:50:00 | -69.98, 13.82 | 88.24 | 3.50 | 8 |
| 9 | 01/10/2025 | 23:40:44 | 69.48,-178.04 | 91.24 | 01/10/2025 | 23:39:33 | 69.53,-179.15 | 91.33 | 43.75 | 71 |
| 10 | 01/13/2025 | 14:16:22 | 70.08, -37.78 | 91.44 | 01/13/2025 | 14:16:52 | 70.07, -37.78 | 91.42 | 1.33 | 30 |
| 11 | 01/13/2025 | 15:07:04 | -69.96, 129.72 | 88.70 | 01/13/2025 | 15:06:22 | -69.96, 129.70 | 88.70 | 0.93 | 42 |
| 12 | 01/16/2025 | 05:42:35 | -70.20, -89.50 | 88.92 | 01/16/2025 | 05:43:46 | -70.16, -89.38 | 88.97 | 5.87 | 71 |
| 13 | 01/16/2025 | 06:33:18 | 70.06, 78.02 | 90.93 | 01/16/2025 | 06:33:13 | 70.04, 78.10 | 90.91 | 3.51 | 5 |
| 14 | 01/16/2025 | 07:23:58 | -69.83,-114.32 | 89.32 | 01/16/2025 | 07:22:44 | -69.88,-114.50 | 89.26 | 8.78 | 74 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/3/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/03/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9