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: 12/7/2025
| 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 | 12/10/2025 | 04:05:11 | 70.39, 115.56 | 93.21 | 12/10/2025 | 04:05:34 | 70.38, 115.52 | 93.21 | 1.52 | 23 |
| 2 | 12/10/2025 | 04:55:52 | -70.27, -76.93 | 86.91 | 12/10/2025 | 04:55:04 | -70.27, -77.01 | 86.91 | 2.93 | 48 |
| 3 | 12/12/2025 | 19:31:27 | -70.49, 63.86 | 86.48 | 12/12/2025 | 19:32:34 | -70.46, 63.88 | 86.51 | 3.13 | 67 |
| 4 | 12/12/2025 | 20:22:11 | 70.34,-128.61 | 93.38 | 12/12/2025 | 20:22:01 | 70.36,-128.62 | 93.39 | 1.70 | 10 |
| 5 | 12/12/2025 | 21:12:47 | -69.96, 39.31 | 87.01 | 12/12/2025 | 21:11:35 | -70.02, 38.53 | 86.94 | 30.29 | 72 |
| 6 | 12/15/2025 | 11:48:25 | -70.40, 179.76 | 86.41 | 12/15/2025 | 11:49:00 | -70.40, 179.69 | 86.41 | 2.73 | 35 |
| 7 | 12/15/2025 | 12:39:10 | 70.31, -12.79 | 93.51 | 12/15/2025 | 12:38:27 | 70.29, -12.82 | 93.49 | 2.04 | 43 |
| 8 | 12/18/2025 | 03:14:44 | 70.50, 128.05 | 93.80 | 12/18/2025 | 03:15:56 | 70.47, 128.05 | 93.77 | 3.07 | 72 |
| 9 | 12/18/2025 | 04:05:25 | -70.37, -64.43 | 86.34 | 12/18/2025 | 04:05:26 | -70.36, -64.47 | 86.35 | 1.91 | 1 |
| 10 | 12/18/2025 | 04:56:07 | 70.13, 103.26 | 93.42 | 12/18/2025 | 04:54:54 | 70.20, 102.93 | 93.50 | 14.36 | 73 |
| 11 | 12/20/2025 | 19:31:43 | 70.43,-116.08 | 93.78 | 12/20/2025 | 19:32:21 | 70.45,-116.09 | 93.79 | 1.50 | 38 |
| 12 | 12/20/2025 | 20:22:25 | -70.35, 51.36 | 86.31 | 12/20/2025 | 20:21:51 | -70.34, 51.39 | 86.32 | 1.78 | 34 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/7/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/07/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9