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: 5/5/2025
| 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 | 05/05/2025 | 13:26:11 | -70.42, 154.48 | 126.08 | 05/05/2025 | 13:27:23 | -70.35, 154.77 | 126.17 | 13.93 | 72 |
| 2 | 05/05/2025 | 14:16:53 | 70.21, -37.87 | 53.69 | 05/05/2025 | 14:16:51 | 70.19, -37.81 | 53.68 | 2.90 | 2 |
| 3 | 05/05/2025 | 15:07:34 | -70.06, 129.67 | 126.47 | 05/05/2025 | 15:06:21 | -70.08, 129.66 | 126.45 | 2.08 | 73 |
| 4 | 05/08/2025 | 05:43:06 | -70.24, -89.48 | 127.00 | 05/08/2025 | 05:43:52 | -70.24, -89.50 | 127.01 | 0.82 | 46 |
| 5 | 05/08/2025 | 06:33:50 | 70.14, 78.00 | 52.88 | 05/08/2025 | 06:33:19 | 70.14, 78.00 | 52.89 | 0.26 | 31 |
| 6 | 05/10/2025 | 21:09:32 | 70.87,-142.03 | 52.95 | 05/10/2025 | 21:10:41 | 70.77,-140.47 | 52.81 | 58.05 | 69 |
| 7 | 05/10/2025 | 22:00:04 | -70.23, 26.31 | 127.72 | 05/10/2025 | 22:00:19 | -70.22, 26.35 | 127.74 | 2.14 | 15 |
| 8 | 05/10/2025 | 22:50:48 | 70.13,-166.23 | 52.17 | 05/10/2025 | 22:49:46 | 70.11,-166.16 | 52.15 | 3.49 | 62 |
| 9 | 05/13/2025 | 13:26:18 | 70.29, -25.33 | 51.68 | 05/13/2025 | 13:27:15 | 70.27, -25.32 | 51.65 | 2.64 | 57 |
| 10 | 05/13/2025 | 14:17:00 | -70.18, 142.16 | 128.45 | 05/13/2025 | 14:16:45 | -70.16, 142.15 | 128.47 | 2.01 | 15 |
| 11 | 05/13/2025 | 15:07:31 | 69.39, -49.36 | 50.74 | 05/13/2025 | 15:06:23 | 69.44, -51.19 | 50.83 | 71.88 | 68 |
| 12 | 05/16/2025 | 05:43:15 | 70.25, 90.50 | 51.01 | 05/16/2025 | 05:43:41 | 70.23, 90.51 | 50.98 | 2.56 | 26 |
| 13 | 05/16/2025 | 06:33:57 | -70.13,-102.00 | 129.13 | 05/16/2025 | 06:33:11 | -70.12,-102.01 | 129.14 | 1.13 | 46 |
| 14 | 05/18/2025 | 21:09:28 | -70.30, 38.88 | 129.53 | 05/18/2025 | 21:10:39 | -70.33, 38.90 | 129.51 | 2.85 | 71 |
| 15 | 05/18/2025 | 22:00:12 | 70.22,-153.69 | 50.38 | 05/18/2025 | 22:00:06 | 70.21,-153.62 | 50.37 | 2.53 | 6 |
| 16 | 05/18/2025 | 22:50:51 | -69.94, 14.07 | 129.92 | 05/18/2025 | 22:49:38 | -70.00, 13.70 | 129.85 | 15.37 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/5/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/05/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9