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: 8/31/2025
| 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 | 09/02/2025 | 13:27:21 | 70.29, -25.22 | 62.52 | 09/02/2025 | 13:27:52 | 70.29, -25.20 | 62.52 | 0.48 | 31 |
| 2 | 09/02/2025 | 14:18:02 | -70.20, 142.24 | 117.56 | 09/02/2025 | 14:17:21 | -70.17, 142.27 | 117.59 | 3.07 | 41 |
| 3 | 09/05/2025 | 04:53:41 | -70.62, -77.30 | 116.17 | 09/05/2025 | 04:54:52 | -70.53, -76.62 | 116.28 | 27.15 | 71 |
| 4 | 09/05/2025 | 05:44:20 | 70.24, 90.61 | 63.46 | 09/05/2025 | 05:44:22 | 70.26, 90.64 | 63.48 | 2.44 | 2 |
| 5 | 09/05/2025 | 06:35:02 | -70.14,-101.92 | 116.63 | 09/05/2025 | 06:33:52 | -70.15,-101.89 | 116.62 | 1.31 | 70 |
| 6 | 09/07/2025 | 21:10:36 | -70.31, 38.95 | 115.49 | 09/07/2025 | 21:11:26 | -70.30, 38.94 | 115.50 | 1.05 | 50 |
| 7 | 09/07/2025 | 22:01:20 | 70.20,-153.57 | 64.42 | 09/07/2025 | 22:00:53 | 70.20,-153.57 | 64.41 | 0.45 | 27 |
| 8 | 09/07/2025 | 22:51:45 | -69.20, 15.23 | 116.60 | 09/07/2025 | 22:50:39 | -69.21, 12.71 | 116.54 | 99.49 | 66 |
| 9 | 09/10/2025 | 12:37:07 | 71.07, -13.85 | 66.29 | 09/10/2025 | 12:38:15 | 70.97, -11.81 | 66.15 | 74.72 | 68 |
| 10 | 09/10/2025 | 13:27:36 | -70.28, 154.76 | 114.52 | 09/10/2025 | 13:27:56 | -70.26, 154.76 | 114.53 | 1.70 | 20 |
| 11 | 09/10/2025 | 14:18:20 | 70.18, -37.77 | 65.40 | 09/10/2025 | 14:17:23 | 70.16, -37.75 | 65.38 | 2.42 | 57 |
| 12 | 09/13/2025 | 04:53:53 | 70.32, 103.14 | 66.53 | 09/13/2025 | 04:54:55 | 70.35, 103.13 | 66.55 | 3.04 | 62 |
| 13 | 09/13/2025 | 05:44:36 | -70.26, -89.45 | 113.52 | 09/13/2025 | 05:44:25 | -70.24, -89.39 | 113.54 | 2.73 | 11 |
| 14 | 09/13/2025 | 06:35:09 | 69.63, 78.81 | 65.86 | 09/13/2025 | 06:33:59 | 69.69, 77.48 | 65.94 | 51.93 | 70 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/31/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/31/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9