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: 8/3/2025
| 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 | 08/04/2025 | 04:53:20 | -71.19, -78.23 | 125.95 | 08/04/2025 | 04:54:26 | -71.10, -75.71 | 126.14 | 90.95 | 66 |
| 2 | 08/04/2025 | 05:43:49 | 70.26, 90.60 | 53.08 | 08/04/2025 | 05:44:07 | 70.23, 90.62 | 53.05 | 3.18 | 18 |
| 3 | 08/04/2025 | 06:34:30 | -70.15,-101.90 | 127.03 | 08/04/2025 | 06:33:37 | -70.13,-101.90 | 127.05 | 2.90 | 53 |
| 4 | 08/06/2025 | 21:10:00 | -70.41, 38.84 | 126.04 | 08/06/2025 | 21:11:11 | -70.37, 39.05 | 126.10 | 9.13 | 71 |
| 5 | 08/06/2025 | 22:00:43 | 70.22,-153.55 | 53.77 | 08/06/2025 | 22:00:39 | 70.21,-153.53 | 53.76 | 0.80 | 4 |
| 6 | 08/06/2025 | 22:51:23 | -70.05, 14.03 | 126.40 | 08/06/2025 | 22:50:10 | -70.05, 13.87 | 126.39 | 6.11 | 73 |
| 7 | 08/09/2025 | 13:26:52 | -70.27, 154.86 | 125.44 | 08/09/2025 | 13:27:44 | -70.28, 154.80 | 125.43 | 2.82 | 52 |
| 8 | 08/09/2025 | 14:17:37 | 70.18, -37.71 | 54.49 | 08/09/2025 | 14:17:11 | 70.17, -37.71 | 54.48 | 0.88 | 26 |
| 9 | 08/09/2025 | 15:08:02 | -69.22, 131.04 | 126.51 | 08/09/2025 | 15:06:55 | -69.30, 128.72 | 126.34 | 92.03 | 67 |
| 10 | 08/12/2025 | 05:43:47 | -70.28, -89.39 | 124.63 | 08/12/2025 | 05:44:15 | -70.28, -89.33 | 124.64 | 2.11 | 28 |
| 11 | 08/12/2025 | 06:34:31 | 70.15, 78.13 | 55.24 | 08/12/2025 | 06:33:42 | 70.17, 78.16 | 55.27 | 2.58 | 49 |
| 12 | 08/14/2025 | 21:10:02 | 70.53,-141.33 | 56.44 | 08/14/2025 | 21:11:13 | 70.47,-140.81 | 56.35 | 20.67 | 71 |
| 13 | 08/14/2025 | 22:00:40 | -70.25, 26.45 | 123.85 | 08/14/2025 | 22:00:45 | -70.26, 26.52 | 123.85 | 2.90 | 5 |
| 14 | 08/14/2025 | 22:51:24 | 70.12,-166.05 | 56.03 | 08/14/2025 | 22:50:12 | 70.14,-166.00 | 56.06 | 3.33 | 72 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/3/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/03/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9