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: 7/17/2025
| 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 | 07/19/2025 | 04:53:15 | -70.92, -77.82 | 129.86 | 07/19/2025 | 04:54:24 | -70.84, -76.12 | 130.01 | 62.55 | 69 |
| 2 | 07/19/2025 | 05:43:49 | 70.25, 90.56 | 49.45 | 07/19/2025 | 05:44:00 | 70.24, 90.64 | 49.43 | 3.16 | 11 |
| 3 | 07/19/2025 | 06:34:30 | -70.14,-101.93 | 130.67 | 07/19/2025 | 06:33:30 | -70.14,-101.88 | 130.66 | 2.05 | 60 |
| 4 | 07/21/2025 | 21:09:59 | -70.31, 38.94 | 129.98 | 07/21/2025 | 21:11:04 | -70.33, 38.99 | 129.99 | 2.40 | 65 |
| 5 | 07/21/2025 | 22:00:43 | 70.18,-153.54 | 49.88 | 07/21/2025 | 22:00:32 | 70.16,-153.60 | 49.87 | 2.72 | 11 |
| 6 | 07/21/2025 | 22:51:18 | -69.74, 14.44 | 130.57 | 07/21/2025 | 22:50:07 | -69.79, 13.50 | 130.48 | 36.49 | 71 |
| 7 | 07/24/2025 | 13:26:54 | -70.29, 154.75 | 129.46 | 07/24/2025 | 13:27:35 | -70.29, 154.82 | 129.47 | 2.47 | 41 |
| 8 | 07/24/2025 | 14:17:38 | 70.16, -37.73 | 50.41 | 07/24/2025 | 14:17:02 | 70.18, -37.70 | 50.43 | 2.58 | 36 |
| 9 | 07/27/2025 | 04:53:18 | 70.92, 102.19 | 51.80 | 07/27/2025 | 04:54:27 | 70.83, 103.87 | 51.63 | 62.10 | 69 |
| 10 | 07/27/2025 | 05:43:48 | -70.22, -89.36 | 128.94 | 07/27/2025 | 05:44:06 | -70.24, -89.38 | 128.93 | 1.79 | 18 |
| 11 | 07/27/2025 | 06:34:32 | 70.14, 78.08 | 50.98 | 07/27/2025 | 06:33:32 | 70.12, 78.10 | 50.97 | 2.24 | 60 |
| 12 | 07/29/2025 | 21:10:01 | 70.33,-141.07 | 51.80 | 07/29/2025 | 21:11:05 | 70.32,-141.01 | 51.77 | 2.79 | 64 |
| 13 | 07/29/2025 | 22:00:42 | -70.21, 26.44 | 128.33 | 07/29/2025 | 22:00:35 | -70.22, 26.49 | 128.31 | 2.37 | 7 |
| 14 | 07/29/2025 | 22:51:19 | 69.70,-165.49 | 51.16 | 07/29/2025 | 22:50:08 | 69.77,-166.50 | 51.27 | 39.97 | 71 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/17/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/17/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9