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: 7/6/2025
| 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 | 07/08/2025 | 13:26:51 | -70.28, 154.72 | 132.14 | 07/08/2025 | 13:27:26 | -70.26, 154.79 | 132.17 | 3.43 | 35 |
| 2 | 07/08/2025 | 14:17:35 | 70.16, -37.77 | 47.73 | 07/08/2025 | 14:16:53 | 70.16, -37.72 | 47.74 | 2.13 | 42 |
| 3 | 07/11/2025 | 04:53:11 | 70.69, 102.54 | 48.62 | 07/11/2025 | 04:54:21 | 70.58, 103.51 | 48.47 | 37.74 | 70 |
| 4 | 07/11/2025 | 05:43:45 | -70.19, -89.35 | 131.90 | 07/11/2025 | 05:43:56 | -70.20, -89.42 | 131.89 | 2.85 | 11 |
| 5 | 07/11/2025 | 06:34:30 | 70.11, 78.07 | 48.03 | 07/11/2025 | 06:33:23 | 70.09, 78.07 | 48.01 | 2.66 | 67 |
| 6 | 07/13/2025 | 21:09:59 | 70.28,-141.03 | 48.58 | 07/13/2025 | 21:10:55 | 70.27,-141.06 | 48.56 | 1.06 | 56 |
| 7 | 07/13/2025 | 22:00:40 | -70.15, 26.49 | 131.56 | 07/13/2025 | 22:00:25 | -70.17, 26.43 | 131.53 | 3.40 | 15 |
| 8 | 07/13/2025 | 22:51:12 | 69.38,-165.07 | 47.65 | 07/13/2025 | 22:50:04 | 69.39,-167.00 | 47.74 | 75.76 | 68 |
| 9 | 07/16/2025 | 13:26:54 | 70.24, -25.20 | 48.97 | 07/16/2025 | 13:27:24 | 70.23, -25.24 | 48.95 | 2.20 | 30 |
| 10 | 07/16/2025 | 14:17:35 | -70.11, 142.32 | 131.17 | 07/16/2025 | 14:16:54 | -70.13, 142.25 | 131.15 | 3.17 | 41 |
| 11 | 07/19/2025 | 04:53:10 | -70.65, -77.38 | 130.14 | 07/19/2025 | 04:54:21 | -70.50, -76.59 | 130.33 | 33.54 | 71 |
| 12 | 07/19/2025 | 05:43:48 | 70.21, 90.63 | 49.40 | 07/19/2025 | 05:43:51 | 70.22, 90.64 | 49.41 | 1.24 | 3 |
| 13 | 07/19/2025 | 06:34:30 | -70.13,-101.93 | 130.68 | 07/19/2025 | 06:33:21 | -70.12,-101.87 | 130.68 | 2.63 | 69 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/6/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/06/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9