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: 5/25/2025
| 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 | 05/26/2025 | 21:09:36 | 70.30,-141.13 | 48.94 | 05/26/2025 | 21:10:40 | 70.33,-141.13 | 48.96 | 3.03 | 64 |
| 2 | 05/26/2025 | 22:00:18 | -70.18, 26.37 | 131.19 | 05/26/2025 | 22:00:10 | -70.21, 26.33 | 131.16 | 3.03 | 8 |
| 3 | 05/26/2025 | 22:50:54 | 69.67,-165.54 | 48.28 | 05/26/2025 | 22:49:44 | 69.73,-166.70 | 48.37 | 44.96 | 70 |
| 4 | 05/29/2025 | 13:26:33 | 70.28, -25.33 | 48.50 | 05/29/2025 | 13:27:09 | 70.26, -25.35 | 48.47 | 2.29 | 36 |
| 5 | 05/29/2025 | 14:17:15 | -70.16, 142.18 | 131.64 | 05/29/2025 | 14:16:39 | -70.14, 142.12 | 131.65 | 2.70 | 36 |
| 6 | 06/01/2025 | 04:52:54 | -70.76, -77.65 | 131.38 | 06/01/2025 | 04:54:04 | -70.66, -76.52 | 131.51 | 42.92 | 70 |
| 7 | 06/01/2025 | 05:43:29 | 70.21, 90.55 | 48.05 | 06/01/2025 | 05:43:37 | 70.23, 90.49 | 48.06 | 3.27 | 8 |
| 8 | 06/01/2025 | 06:34:12 | -70.14,-102.02 | 132.04 | 06/01/2025 | 06:33:07 | -70.12,-102.04 | 132.05 | 2.49 | 65 |
| 9 | 06/03/2025 | 21:09:43 | -70.33, 38.82 | 132.16 | 06/03/2025 | 21:10:37 | -70.34, 38.89 | 132.16 | 3.00 | 54 |
| 10 | 06/03/2025 | 22:00:26 | 70.20,-153.66 | 47.70 | 06/03/2025 | 22:00:05 | 70.18,-153.70 | 47.69 | 2.17 | 21 |
| 11 | 06/03/2025 | 22:50:55 | -69.38, 14.87 | 133.15 | 06/03/2025 | 22:49:47 | -69.41, 12.87 | 133.06 | 78.21 | 68 |
| 12 | 06/06/2025 | 13:26:38 | -70.27, 154.69 | 132.51 | 06/06/2025 | 13:27:04 | -70.28, 154.69 | 132.50 | 1.94 | 26 |
| 13 | 06/06/2025 | 14:17:22 | 70.19, -37.87 | 47.40 | 06/06/2025 | 14:16:31 | 70.17, -37.83 | 47.39 | 2.26 | 51 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/25/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/25/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9