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: 5/16/2025
| 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 | 05/16/2025 | 05:43:16 | 70.25, 90.50 | 51.00 | 05/16/2025 | 05:43:44 | 70.23, 90.50 | 50.98 | 1.50 | 28 |
| 2 | 05/16/2025 | 06:33:58 | -70.14,-102.01 | 129.12 | 05/16/2025 | 06:33:14 | -70.11,-102.04 | 129.14 | 2.89 | 44 |
| 3 | 05/18/2025 | 21:09:31 | -70.45, 38.64 | 129.37 | 05/18/2025 | 21:10:43 | -70.41, 38.99 | 129.43 | 14.12 | 72 |
| 4 | 05/18/2025 | 22:00:12 | 70.20,-153.66 | 50.36 | 05/18/2025 | 22:00:12 | 70.20,-153.67 | 50.36 | 0.46 | 0 |
| 5 | 05/18/2025 | 22:50:54 | -70.09, 13.83 | 129.77 | 05/18/2025 | 22:49:42 | -70.08, 13.80 | 129.77 | 1.45 | 72 |
| 6 | 05/21/2025 | 13:26:26 | -70.31, 154.64 | 130.08 | 05/21/2025 | 13:27:13 | -70.30, 154.71 | 130.09 | 2.93 | 47 |
| 7 | 05/21/2025 | 14:17:09 | 70.17, -37.83 | 49.77 | 05/21/2025 | 14:16:41 | 70.15, -37.87 | 49.75 | 2.58 | 28 |
| 8 | 05/24/2025 | 04:52:54 | 71.08, 101.83 | 50.22 | 05/24/2025 | 04:54:01 | 70.94, 103.92 | 50.04 | 77.23 | 67 |
| 9 | 05/24/2025 | 05:43:22 | -70.22, -89.46 | 130.68 | 05/24/2025 | 05:43:42 | -70.23, -89.51 | 130.67 | 2.34 | 20 |
| 10 | 05/24/2025 | 06:34:06 | 70.14, 77.98 | 49.23 | 05/24/2025 | 06:33:09 | 70.13, 77.98 | 49.22 | 1.13 | 57 |
| 11 | 05/26/2025 | 21:09:37 | 70.32,-141.16 | 48.96 | 05/26/2025 | 21:10:40 | 70.30,-141.16 | 48.94 | 2.05 | 63 |
| 12 | 05/26/2025 | 22:00:19 | -70.19, 26.35 | 131.18 | 05/26/2025 | 22:00:10 | -70.19, 26.31 | 131.18 | 1.52 | 9 |
| 13 | 05/26/2025 | 22:50:54 | 69.64,-165.49 | 48.25 | 05/26/2025 | 22:49:44 | 69.70,-166.73 | 48.34 | 48.38 | 70 |
| 14 | 05/29/2025 | 13:26:33 | 70.30, -25.36 | 48.52 | 05/29/2025 | 13:27:06 | 70.29, -25.29 | 48.51 | 2.92 | 33 |
| 15 | 05/29/2025 | 14:17:15 | -70.17, 142.16 | 131.62 | 05/29/2025 | 14:16:36 | -70.19, 142.19 | 131.61 | 2.13 | 39 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/16/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/16/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9