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: 7/28/2025
| 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 | 07/29/2025 | 21:10:01 | 70.30,-141.02 | 51.77 | 07/29/2025 | 21:11:05 | 70.32,-141.01 | 51.77 | 1.71 | 64 |
| 2 | 07/29/2025 | 22:00:42 | -70.19, 26.48 | 128.35 | 07/29/2025 | 22:00:35 | -70.21, 26.46 | 128.33 | 1.99 | 7 |
| 3 | 07/29/2025 | 22:51:19 | 69.67,-165.44 | 51.12 | 07/29/2025 | 22:50:09 | 69.72,-166.58 | 51.22 | 44.48 | 70 |
| 4 | 08/01/2025 | 13:26:54 | 70.25, -25.15 | 52.37 | 08/01/2025 | 13:27:34 | 70.26, -25.20 | 52.38 | 2.72 | 40 |
| 5 | 08/01/2025 | 14:17:36 | -70.18, 142.27 | 127.69 | 08/01/2025 | 14:17:04 | -70.16, 142.28 | 127.72 | 3.09 | 32 |
| 6 | 08/04/2025 | 04:53:18 | -71.06, -78.01 | 126.08 | 08/04/2025 | 04:54:25 | -70.95, -75.92 | 126.28 | 76.71 | 67 |
| 7 | 08/04/2025 | 05:43:49 | 70.25, 90.63 | 53.07 | 08/04/2025 | 05:44:03 | 70.24, 90.65 | 53.06 | 1.21 | 14 |
| 8 | 08/04/2025 | 06:34:30 | -70.13,-101.87 | 127.05 | 08/04/2025 | 06:33:33 | -70.14,-101.86 | 127.04 | 1.15 | 57 |
| 9 | 08/06/2025 | 21:09:59 | -70.34, 38.96 | 126.12 | 08/06/2025 | 21:11:05 | -70.32, 39.01 | 126.15 | 2.82 | 66 |
| 10 | 08/06/2025 | 22:00:43 | 70.20,-153.52 | 53.75 | 08/06/2025 | 22:00:32 | 70.20,-153.51 | 53.75 | 0.40 | 11 |
| 11 | 08/06/2025 | 22:51:18 | -69.77, 14.46 | 126.70 | 08/06/2025 | 22:50:07 | -69.83, 13.59 | 126.60 | 34.27 | 71 |
| 12 | 08/09/2025 | 13:26:53 | -70.29, 154.81 | 125.41 | 08/09/2025 | 13:27:34 | -70.26, 154.82 | 125.45 | 3.51 | 41 |
| 13 | 08/09/2025 | 14:17:37 | 70.16, -37.68 | 54.47 | 08/09/2025 | 14:17:01 | 70.15, -37.71 | 54.45 | 2.24 | 36 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/28/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/28/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9