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: 9/4/2025
| 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 | 09/05/2025 | 04:53:41 | -70.62, -77.30 | 116.17 | 09/05/2025 | 04:54:52 | -70.53, -76.61 | 116.28 | 27.20 | 71 |
| 2 | 09/05/2025 | 05:44:20 | 70.24, 90.62 | 63.45 | 09/05/2025 | 05:44:23 | 70.22, 90.57 | 63.43 | 2.96 | 3 |
| 3 | 09/05/2025 | 06:35:02 | -70.14,-101.92 | 116.63 | 09/05/2025 | 06:33:52 | -70.15,-101.88 | 116.62 | 1.74 | 70 |
| 4 | 09/07/2025 | 21:10:36 | -70.31, 38.95 | 115.49 | 09/07/2025 | 21:11:26 | -70.31, 38.94 | 115.50 | 0.25 | 50 |
| 5 | 09/07/2025 | 22:01:20 | 70.20,-153.56 | 64.41 | 09/07/2025 | 22:00:53 | 70.21,-153.56 | 64.42 | 1.43 | 27 |
| 6 | 09/07/2025 | 22:51:45 | -69.20, 15.23 | 116.60 | 09/07/2025 | 22:50:39 | -69.22, 12.71 | 116.53 | 99.27 | 66 |
| 7 | 09/10/2025 | 12:37:08 | 71.11, -13.93 | 66.34 | 09/10/2025 | 12:38:15 | 70.98, -11.79 | 66.17 | 78.52 | 67 |
| 8 | 09/10/2025 | 13:27:36 | -70.28, 154.76 | 114.52 | 09/10/2025 | 13:27:56 | -70.27, 154.77 | 114.53 | 0.50 | 20 |
| 9 | 09/10/2025 | 14:18:20 | 70.17, -37.76 | 65.39 | 09/10/2025 | 14:17:23 | 70.17, -37.74 | 65.39 | 0.88 | 57 |
| 10 | 09/13/2025 | 04:53:53 | 70.36, 103.07 | 66.58 | 09/13/2025 | 04:54:54 | 70.36, 103.15 | 66.57 | 2.76 | 61 |
| 11 | 09/13/2025 | 05:44:35 | -70.25, -89.44 | 113.53 | 09/13/2025 | 05:44:24 | -70.25, -89.38 | 113.53 | 2.21 | 11 |
| 12 | 09/13/2025 | 06:35:09 | 69.62, 78.83 | 65.84 | 09/13/2025 | 06:33:59 | 69.70, 77.49 | 65.95 | 52.37 | 70 |
| 13 | 09/15/2025 | 21:10:52 | 70.30,-141.07 | 67.53 | 09/15/2025 | 21:11:23 | 70.30,-141.06 | 67.53 | 0.36 | 31 |
| 14 | 09/15/2025 | 22:01:34 | -70.18, 26.43 | 112.58 | 09/15/2025 | 22:00:53 | -70.19, 26.42 | 112.56 | 1.31 | 41 |
| 15 | 09/18/2025 | 12:37:11 | -70.54, 167.00 | 111.20 | 09/18/2025 | 12:38:22 | -70.47, 167.45 | 111.28 | 18.23 | 71 |
| 16 | 09/18/2025 | 13:27:51 | 70.24, -25.22 | 68.51 | 09/18/2025 | 13:27:51 | 70.25, -25.23 | 68.52 | 1.29 | 0 |
| 17 | 09/18/2025 | 14:18:34 | -70.17, 142.21 | 111.55 | 09/18/2025 | 14:17:21 | -70.15, 142.25 | 111.58 | 3.11 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/4/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/04/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9