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: 5/24/2025
| 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 | 05/24/2025 | 04:52:54 | 71.09, 101.81 | 50.24 | 05/24/2025 | 04:54:01 | 70.95, 103.93 | 50.04 | 78.36 | 67 |
| 2 | 05/24/2025 | 05:43:22 | -70.24, -89.49 | 130.66 | 05/24/2025 | 05:43:42 | -70.23, -89.52 | 130.67 | 1.75 | 20 |
| 3 | 05/24/2025 | 06:34:06 | 70.15, 77.96 | 49.24 | 05/24/2025 | 06:33:09 | 70.13, 77.99 | 49.23 | 2.20 | 57 |
| 4 | 05/26/2025 | 21:09:37 | 70.33,-141.18 | 48.97 | 05/26/2025 | 21:10:40 | 70.33,-141.13 | 48.96 | 1.91 | 63 |
| 5 | 05/26/2025 | 22:00:19 | -70.21, 26.32 | 131.16 | 05/26/2025 | 22:00:10 | -70.21, 26.34 | 131.16 | 0.62 | 9 |
| 6 | 05/26/2025 | 22:50:54 | 69.65,-165.51 | 48.26 | 05/26/2025 | 22:49:44 | 69.72,-166.70 | 48.37 | 46.79 | 70 |
| 7 | 05/29/2025 | 13:26:34 | 70.31, -25.37 | 48.53 | 05/29/2025 | 13:27:08 | 70.29, -25.30 | 48.50 | 3.32 | 34 |
| 8 | 05/29/2025 | 14:17:16 | -70.19, 142.13 | 131.61 | 05/29/2025 | 14:16:38 | -70.18, 142.17 | 131.61 | 1.61 | 38 |
| 9 | 06/01/2025 | 04:52:53 | -70.74, -77.60 | 131.40 | 06/01/2025 | 04:54:03 | -70.62, -76.58 | 131.56 | 39.95 | 70 |
| 10 | 06/01/2025 | 05:43:29 | 70.24, 90.51 | 48.07 | 06/01/2025 | 05:43:35 | 70.24, 90.50 | 48.07 | 0.27 | 6 |
| 11 | 06/01/2025 | 06:34:11 | -70.11,-101.98 | 132.06 | 06/01/2025 | 06:33:05 | -70.13,-102.02 | 132.04 | 2.29 | 66 |
| 12 | 06/03/2025 | 21:09:42 | -70.30, 38.86 | 132.19 | 06/03/2025 | 21:10:35 | -70.33, 38.88 | 132.17 | 3.29 | 53 |
| 13 | 06/03/2025 | 22:00:26 | 70.22,-153.70 | 47.73 | 06/03/2025 | 22:00:02 | 70.22,-153.64 | 47.72 | 2.32 | 24 |
| 14 | 06/03/2025 | 22:50:53 | -69.30, 14.98 | 133.23 | 06/03/2025 | 22:49:46 | -69.35, 12.79 | 133.13 | 86.29 | 67 |
| 15 | 06/06/2025 | 12:36:13 | 71.26, -14.26 | 48.53 | 06/06/2025 | 12:37:18 | 71.17, -11.60 | 48.37 | 95.86 | 65 |
| 16 | 06/06/2025 | 13:26:39 | -70.29, 154.65 | 132.49 | 06/06/2025 | 13:27:02 | -70.30, 154.72 | 132.48 | 2.65 | 23 |
| 17 | 06/06/2025 | 14:17:22 | 70.16, -37.83 | 47.38 | 06/06/2025 | 14:16:29 | 70.18, -37.80 | 47.40 | 2.77 | 53 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/24/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/24/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9