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: 4/22/2025
| 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 | 04/22/2025 | 05:42:46 | -70.33, -89.56 | 122.03 | 04/22/2025 | 05:43:58 | -70.30, -89.41 | 122.07 | 6.24 | 72 |
| 2 | 04/22/2025 | 06:33:29 | 70.14, 78.04 | 57.77 | 04/22/2025 | 06:33:26 | 70.14, 78.01 | 57.77 | 1.07 | 3 |
| 3 | 04/22/2025 | 07:24:09 | -69.96,-114.36 | 122.44 | 04/22/2025 | 07:22:57 | -69.97,-114.60 | 122.41 | 9.14 | 72 |
| 4 | 04/24/2025 | 21:59:43 | -70.20, 26.41 | 123.06 | 04/24/2025 | 22:00:25 | -70.23, 26.37 | 123.03 | 3.31 | 42 |
| 5 | 04/24/2025 | 22:50:27 | 70.12,-166.17 | 56.86 | 04/24/2025 | 22:49:51 | 70.12,-166.13 | 56.86 | 1.60 | 36 |
| 6 | 04/27/2025 | 13:26:05 | 70.59, -25.78 | 56.51 | 04/27/2025 | 13:27:16 | 70.50, -24.97 | 56.39 | 31.56 | 71 |
| 7 | 04/27/2025 | 14:16:41 | -70.19, 142.19 | 123.93 | 04/27/2025 | 14:16:50 | -70.16, 142.17 | 123.95 | 2.37 | 9 |
| 8 | 04/27/2025 | 15:07:25 | 70.07, -50.32 | 55.94 | 04/27/2025 | 15:06:17 | 70.06, -50.33 | 55.93 | 1.31 | 68 |
| 9 | 04/30/2025 | 05:42:57 | 70.23, 90.56 | 55.29 | 04/30/2025 | 05:43:45 | 70.23, 90.53 | 55.29 | 1.43 | 48 |
| 10 | 04/30/2025 | 06:33:39 | -70.13,-101.97 | 124.82 | 04/30/2025 | 06:33:15 | -70.12,-102.00 | 124.83 | 1.95 | 24 |
| 11 | 05/02/2025 | 21:09:24 | -70.97, 37.81 | 124.73 | 05/02/2025 | 21:10:32 | -70.85, 39.71 | 124.90 | 70.31 | 68 |
| 12 | 05/02/2025 | 21:59:55 | 70.19,-153.61 | 54.45 | 05/02/2025 | 22:00:09 | 70.19,-153.63 | 54.45 | 0.53 | 14 |
| 13 | 05/02/2025 | 22:50:37 | -70.09, 13.87 | 125.67 | 05/02/2025 | 22:49:39 | -70.08, 13.85 | 125.67 | 0.64 | 58 |
| 14 | 05/05/2025 | 13:26:09 | -70.26, 154.73 | 126.24 | 05/05/2025 | 13:27:05 | -70.29, 154.77 | 126.23 | 3.13 | 56 |
| 15 | 05/05/2025 | 14:16:53 | 70.16, -37.81 | 53.65 | 05/05/2025 | 14:16:32 | 70.17, -37.76 | 53.65 | 2.04 | 21 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/22/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/22/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9