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: 7/16/2025
| 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 | 07/16/2025 | 13:26:54 | 70.24, -25.20 | 48.97 | 07/16/2025 | 13:27:30 | 70.25, -25.24 | 48.97 | 1.44 | 36 |
| 2 | 07/16/2025 | 14:17:35 | -70.12, 142.31 | 131.15 | 07/16/2025 | 14:17:00 | -70.14, 142.24 | 131.14 | 2.83 | 35 |
| 3 | 07/19/2025 | 04:53:15 | -70.92, -77.83 | 129.85 | 07/19/2025 | 04:54:24 | -70.83, -76.13 | 130.02 | 62.94 | 69 |
| 4 | 07/19/2025 | 05:43:48 | 70.21, 90.63 | 49.41 | 07/19/2025 | 05:44:00 | 70.24, 90.63 | 49.43 | 2.68 | 12 |
| 5 | 07/19/2025 | 06:34:30 | -70.14,-101.95 | 130.66 | 07/19/2025 | 06:33:30 | -70.13,-101.89 | 130.67 | 2.75 | 60 |
| 6 | 07/21/2025 | 21:09:59 | -70.32, 38.93 | 129.98 | 07/21/2025 | 21:11:04 | -70.32, 38.99 | 129.99 | 2.25 | 65 |
| 7 | 07/21/2025 | 22:00:43 | 70.19,-153.55 | 49.89 | 07/21/2025 | 22:00:31 | 70.21,-153.53 | 49.92 | 3.14 | 12 |
| 8 | 07/21/2025 | 22:51:18 | -69.75, 14.43 | 130.56 | 07/21/2025 | 22:50:07 | -69.78, 13.50 | 130.49 | 36.11 | 71 |
| 9 | 07/24/2025 | 13:26:54 | -70.30, 154.74 | 129.45 | 07/24/2025 | 13:27:35 | -70.29, 154.82 | 129.47 | 3.05 | 41 |
| 10 | 07/24/2025 | 14:17:38 | 70.16, -37.74 | 50.42 | 07/24/2025 | 14:17:02 | 70.17, -37.70 | 50.43 | 1.94 | 36 |
| 11 | 07/27/2025 | 04:53:18 | 70.93, 102.18 | 51.80 | 07/27/2025 | 04:54:27 | 70.83, 103.88 | 51.63 | 62.72 | 69 |
| 12 | 07/27/2025 | 05:43:48 | -70.23, -89.37 | 128.94 | 07/27/2025 | 05:44:06 | -70.24, -89.37 | 128.93 | 1.58 | 18 |
| 13 | 07/27/2025 | 06:34:33 | 70.15, 78.07 | 50.99 | 07/27/2025 | 06:33:33 | 70.12, 78.11 | 50.98 | 2.77 | 60 |
| 14 | 07/29/2025 | 21:10:00 | 70.28,-141.00 | 51.75 | 07/29/2025 | 21:11:06 | 70.27,-141.07 | 51.73 | 3.15 | 66 |
| 15 | 07/29/2025 | 22:00:42 | -70.21, 26.44 | 128.32 | 07/29/2025 | 22:00:35 | -70.23, 26.50 | 128.30 | 3.50 | 7 |
| 16 | 07/29/2025 | 22:51:19 | 69.71,-165.49 | 51.16 | 07/29/2025 | 22:50:08 | 69.78,-166.49 | 51.28 | 39.30 | 71 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/16/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/16/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9