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: 5/18/2025
| 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 | 05/18/2025 | 21:09:32 | -70.50, 38.56 | 129.32 | 05/18/2025 | 21:10:43 | -70.41, 39.00 | 129.43 | 18.97 | 71 |
| 2 | 05/18/2025 | 22:00:12 | 70.19,-153.65 | 50.36 | 05/18/2025 | 22:00:12 | 70.21,-153.66 | 50.37 | 1.48 | 0 |
| 3 | 05/18/2025 | 22:50:54 | -70.08, 13.84 | 129.77 | 05/18/2025 | 22:49:42 | -70.09, 13.81 | 129.76 | 1.42 | 72 |
| 4 | 05/21/2025 | 13:26:26 | -70.30, 154.64 | 130.08 | 05/21/2025 | 13:27:13 | -70.30, 154.71 | 130.09 | 2.65 | 47 |
| 5 | 05/21/2025 | 14:17:09 | 70.16, -37.82 | 49.77 | 05/21/2025 | 14:16:41 | 70.14, -37.87 | 49.75 | 2.36 | 28 |
| 6 | 05/24/2025 | 04:52:53 | 71.02, 101.92 | 50.16 | 05/24/2025 | 04:54:01 | 70.93, 103.90 | 50.02 | 72.52 | 68 |
| 7 | 05/24/2025 | 05:43:22 | -70.22, -89.46 | 130.68 | 05/24/2025 | 05:43:42 | -70.21, -89.53 | 130.69 | 2.89 | 20 |
| 8 | 05/24/2025 | 06:34:06 | 70.13, 77.99 | 49.23 | 05/24/2025 | 06:33:09 | 70.11, 77.96 | 49.21 | 2.66 | 57 |
| 9 | 05/26/2025 | 21:09:36 | 70.32,-141.16 | 48.96 | 05/26/2025 | 21:10:38 | 70.32,-141.13 | 48.96 | 1.28 | 62 |
| 10 | 05/26/2025 | 22:00:18 | -70.20, 26.35 | 131.18 | 05/26/2025 | 22:00:08 | -70.21, 26.35 | 131.16 | 1.80 | 10 |
| 11 | 05/26/2025 | 22:50:53 | 69.64,-165.49 | 48.25 | 05/26/2025 | 22:49:43 | 69.66,-166.78 | 48.31 | 49.67 | 70 |
| 12 | 05/29/2025 | 13:26:33 | 70.31, -25.37 | 48.53 | 05/29/2025 | 13:27:05 | 70.29, -25.29 | 48.50 | 3.60 | 32 |
| 13 | 05/29/2025 | 14:17:15 | -70.18, 142.15 | 131.62 | 05/29/2025 | 14:16:35 | -70.18, 142.19 | 131.61 | 1.56 | 40 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/18/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/18/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9