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: 7/26/2025
| 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 | 07/27/2025 | 04:53:18 | 70.95, 102.14 | 51.83 | 07/27/2025 | 04:54:26 | 70.83, 103.88 | 51.63 | 64.64 | 68 |
| 2 | 07/27/2025 | 05:43:47 | -70.21, -89.34 | 128.95 | 07/27/2025 | 05:44:05 | -70.23, -89.39 | 128.94 | 2.67 | 18 |
| 3 | 07/27/2025 | 06:34:32 | 70.12, 78.11 | 50.96 | 07/27/2025 | 06:33:32 | 70.12, 78.11 | 50.98 | 0.76 | 60 |
| 4 | 07/29/2025 | 21:10:01 | 70.31,-141.04 | 51.78 | 07/29/2025 | 21:11:05 | 70.30,-141.03 | 51.76 | 1.04 | 64 |
| 5 | 07/29/2025 | 22:00:42 | -70.20, 26.46 | 128.34 | 07/29/2025 | 22:00:35 | -70.20, 26.45 | 128.34 | 0.37 | 7 |
| 6 | 07/29/2025 | 22:51:19 | 69.68,-165.45 | 51.14 | 07/29/2025 | 22:50:08 | 69.76,-166.52 | 51.26 | 42.01 | 71 |
| 7 | 08/01/2025 | 13:26:55 | 70.26, -25.17 | 52.38 | 08/01/2025 | 13:27:35 | 70.25, -25.22 | 52.37 | 2.12 | 40 |
| 8 | 08/01/2025 | 14:17:36 | -70.14, 142.33 | 127.74 | 08/01/2025 | 14:17:05 | -70.15, 142.26 | 127.73 | 2.84 | 31 |
| 9 | 08/04/2025 | 04:53:17 | -71.02, -77.94 | 126.13 | 08/04/2025 | 04:54:25 | -70.94, -75.94 | 126.29 | 72.88 | 68 |
| 10 | 08/04/2025 | 05:43:49 | 70.26, 90.61 | 53.08 | 08/04/2025 | 05:44:03 | 70.23, 90.64 | 53.05 | 2.92 | 14 |
| 11 | 08/04/2025 | 06:34:30 | -70.13,-101.88 | 127.05 | 08/04/2025 | 06:33:33 | -70.13,-101.88 | 127.05 | 0.68 | 57 |
| 12 | 08/06/2025 | 21:09:58 | -70.29, 39.04 | 126.17 | 08/06/2025 | 21:11:05 | -70.31, 38.99 | 126.17 | 2.72 | 67 |
| 13 | 08/06/2025 | 22:00:43 | 70.21,-153.53 | 53.75 | 08/06/2025 | 22:00:32 | 70.19,-153.53 | 53.74 | 1.90 | 11 |
| 14 | 08/06/2025 | 22:51:18 | -69.77, 14.46 | 126.70 | 08/06/2025 | 22:50:07 | -69.82, 13.57 | 126.61 | 34.41 | 71 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/26/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/26/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9