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: 9/25/2025
| 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 | 09/26/2025 | 12:37:23 | 70.35, -12.73 | 71.71 | 09/26/2025 | 12:38:30 | 70.38, -12.72 | 71.73 | 3.29 | 67 |
| 2 | 09/26/2025 | 13:28:05 | -70.23, 154.76 | 108.40 | 09/26/2025 | 13:28:00 | -70.26, 154.74 | 108.37 | 3.30 | 5 |
| 3 | 09/26/2025 | 14:18:43 | 69.82, -37.29 | 71.20 | 09/26/2025 | 14:17:32 | 69.89, -38.15 | 71.27 | 33.49 | 71 |
| 4 | 09/29/2025 | 04:54:22 | 70.32, 103.08 | 72.72 | 09/29/2025 | 04:55:00 | 70.32, 103.08 | 72.72 | 0.28 | 38 |
| 5 | 09/29/2025 | 05:45:04 | -70.20, -89.42 | 107.39 | 09/29/2025 | 05:44:30 | -70.21, -89.45 | 107.39 | 1.59 | 34 |
| 6 | 10/01/2025 | 20:20:45 | -70.85, 50.66 | 105.72 | 10/01/2025 | 20:21:55 | -70.71, 51.90 | 105.87 | 48.20 | 70 |
| 7 | 10/01/2025 | 21:11:20 | 70.30,-141.13 | 73.74 | 10/01/2025 | 21:11:28 | 70.27,-141.10 | 73.71 | 2.81 | 8 |
| 8 | 10/01/2025 | 22:02:02 | -70.17, 26.38 | 106.38 | 10/01/2025 | 22:00:58 | -70.16, 26.37 | 106.39 | 1.13 | 64 |
| 9 | 10/04/2025 | 12:37:35 | -70.37, 167.20 | 105.17 | 10/04/2025 | 12:38:29 | -70.35, 167.25 | 105.20 | 3.09 | 54 |
| 10 | 10/04/2025 | 13:28:18 | 70.24, -25.27 | 74.71 | 10/04/2025 | 13:27:56 | 70.24, -25.26 | 74.71 | 0.57 | 22 |
| 11 | 10/04/2025 | 14:18:46 | -69.37, 143.34 | 106.15 | 10/04/2025 | 14:17:39 | -69.42, 141.23 | 106.10 | 82.55 | 67 |
| 12 | 10/07/2025 | 04:04:07 | 71.29, 114.13 | 76.78 | 10/07/2025 | 04:05:12 | 71.20, 116.82 | 76.68 | 96.48 | 65 |
| 13 | 10/07/2025 | 04:54:33 | -70.32, -76.95 | 104.20 | 10/07/2025 | 04:54:56 | -70.33, -76.88 | 104.18 | 3.02 | 23 |
| 14 | 10/07/2025 | 05:45:16 | 70.19, 90.57 | 75.69 | 10/07/2025 | 05:44:24 | 70.17, 90.52 | 75.66 | 3.07 | 52 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/25/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/25/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9