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: 12/4/2025
| 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 | 12/04/2025 | 19:31:21 | 70.99,-116.95 | 93.24 | 12/04/2025 | 19:32:30 | 70.91,-115.46 | 93.15 | 55.06 | 69 |
| 2 | 12/04/2025 | 20:21:52 | -70.36, 51.41 | 87.40 | 12/04/2025 | 20:22:08 | -70.35, 51.34 | 87.41 | 2.68 | 16 |
| 3 | 12/04/2025 | 21:12:37 | 70.26,-141.12 | 92.51 | 12/04/2025 | 21:11:35 | 70.25,-141.16 | 92.50 | 1.27 | 62 |
| 4 | 12/07/2025 | 11:48:11 | 70.46, -0.31 | 93.02 | 12/07/2025 | 11:49:05 | 70.45, -0.26 | 93.01 | 2.28 | 54 |
| 5 | 12/07/2025 | 12:38:52 | -70.34, 167.19 | 87.10 | 12/07/2025 | 12:38:35 | -70.34, 167.21 | 87.10 | 0.93 | 17 |
| 6 | 12/07/2025 | 13:29:22 | 69.45, -24.16 | 92.02 | 12/07/2025 | 13:28:15 | 69.52, -26.30 | 92.09 | 83.65 | 67 |
| 7 | 12/10/2025 | 04:05:11 | 70.41, 115.52 | 93.24 | 12/10/2025 | 04:05:33 | 70.39, 115.54 | 93.22 | 2.41 | 22 |
| 8 | 12/10/2025 | 04:55:52 | -70.29, -76.97 | 86.88 | 12/10/2025 | 04:55:03 | -70.28, -76.99 | 86.90 | 1.73 | 49 |
| 9 | 12/12/2025 | 19:31:26 | -70.47, 63.90 | 86.50 | 12/12/2025 | 19:32:33 | -70.45, 63.87 | 86.52 | 1.92 | 67 |
| 10 | 12/12/2025 | 20:22:10 | 70.32,-128.57 | 93.36 | 12/12/2025 | 20:22:00 | 70.34,-128.64 | 93.38 | 3.18 | 10 |
| 11 | 12/12/2025 | 21:12:46 | -69.94, 39.34 | 87.03 | 12/12/2025 | 21:11:34 | -70.01, 38.52 | 86.95 | 32.44 | 72 |
| 12 | 12/15/2025 | 11:48:26 | -70.44, 179.70 | 86.37 | 12/15/2025 | 11:48:59 | -70.41, 179.71 | 86.40 | 2.70 | 33 |
| 13 | 12/15/2025 | 12:39:10 | 70.30, -12.77 | 93.50 | 12/15/2025 | 12:38:26 | 70.30, -12.80 | 93.50 | 1.22 | 44 |
| 14 | 12/18/2025 | 03:14:43 | 70.50, 128.05 | 93.80 | 12/18/2025 | 03:15:53 | 70.49, 128.10 | 93.79 | 1.95 | 70 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/4/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/04/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9