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: 7/29/2025
| 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 | 70.31,-141.02 | 51.77 | 07/29/2025 | 21:11:05 | 70.31,-141.02 | 51.77 | 0.90 | 64 |
| 2 | 07/29/2025 | 22:00:42 | -70.19, 26.47 | 128.34 | 07/29/2025 | 22:00:35 | -70.20, 26.46 | 128.34 | 0.95 | 7 |
| 3 | 07/29/2025 | 22:51:19 | 69.68,-165.44 | 51.13 | 07/29/2025 | 22:50:09 | 69.71,-166.59 | 51.21 | 44.39 | 70 |
| 4 | 08/01/2025 | 13:26:54 | 70.25, -25.16 | 52.37 | 08/01/2025 | 13:27:34 | 70.26, -25.21 | 52.37 | 2.14 | 40 |
| 5 | 08/01/2025 | 14:17:35 | -70.14, 142.34 | 127.74 | 08/01/2025 | 14:17:04 | -70.15, 142.27 | 127.72 | 3.04 | 31 |
| 6 | 08/04/2025 | 04:53:17 | -71.02, -77.94 | 126.13 | 08/04/2025 | 04:54:25 | -70.95, -75.94 | 126.28 | 73.06 | 68 |
| 7 | 08/04/2025 | 05:43:49 | 70.25, 90.62 | 53.07 | 08/04/2025 | 05:44:03 | 70.24, 90.64 | 53.05 | 2.27 | 14 |
| 8 | 08/04/2025 | 06:34:30 | -70.14,-101.88 | 127.04 | 08/04/2025 | 06:33:33 | -70.13,-101.87 | 127.04 | 0.73 | 57 |
| 9 | 08/06/2025 | 21:09:58 | -70.30, 39.03 | 126.17 | 08/06/2025 | 21:11:05 | -70.31, 38.99 | 126.16 | 2.00 | 67 |
| 10 | 08/06/2025 | 22:00:43 | 70.21,-153.54 | 53.76 | 08/06/2025 | 22:00:32 | 70.20,-153.53 | 53.74 | 1.86 | 11 |
| 11 | 08/06/2025 | 22:51:18 | -69.77, 14.45 | 126.69 | 08/06/2025 | 22:50:06 | -69.87, 13.65 | 126.56 | 32.50 | 72 |
| 12 | 08/09/2025 | 13:26:52 | -70.25, 154.87 | 125.45 | 08/09/2025 | 13:27:34 | -70.25, 154.80 | 125.46 | 2.81 | 42 |
| 13 | 08/09/2025 | 14:17:37 | 70.17, -37.70 | 54.48 | 08/09/2025 | 14:17:00 | 70.19, -37.65 | 54.50 | 2.51 | 37 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/29/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/29/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9