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: 4/18/2025
| 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 | 04/19/2025 | 14:16:31 | 70.21, -37.82 | 58.75 | 04/19/2025 | 14:16:59 | 70.20, -37.79 | 58.74 | 1.26 | 28 |
| 2 | 04/19/2025 | 15:07:12 | -70.08, 129.70 | 121.40 | 04/19/2025 | 15:06:29 | -70.09, 129.68 | 121.39 | 1.26 | 43 |
| 3 | 04/22/2025 | 05:42:46 | -70.36, -89.61 | 122.00 | 04/22/2025 | 05:43:57 | -70.33, -89.36 | 122.04 | 9.50 | 71 |
| 4 | 04/22/2025 | 06:33:29 | 70.18, 77.98 | 57.80 | 04/22/2025 | 06:33:25 | 70.17, 78.05 | 57.79 | 2.60 | 4 |
| 5 | 04/22/2025 | 07:24:09 | -69.99,-114.41 | 122.41 | 04/22/2025 | 07:22:56 | -70.00,-114.55 | 122.38 | 5.74 | 73 |
| 6 | 04/24/2025 | 21:59:43 | -70.23, 26.36 | 123.02 | 04/24/2025 | 22:00:25 | -70.21, 26.35 | 123.05 | 1.86 | 42 |
| 7 | 04/24/2025 | 22:50:27 | 70.11,-166.15 | 56.84 | 04/24/2025 | 22:49:52 | 70.10,-166.16 | 56.84 | 0.86 | 35 |
| 8 | 04/27/2025 | 13:26:06 | 70.63, -25.83 | 56.54 | 04/27/2025 | 13:27:17 | 70.49, -24.99 | 56.38 | 34.85 | 71 |
| 9 | 04/27/2025 | 14:16:41 | -70.16, 142.22 | 123.95 | 04/27/2025 | 14:16:51 | -70.16, 142.17 | 123.96 | 1.96 | 10 |
| 10 | 04/27/2025 | 15:07:25 | 70.05, -50.29 | 55.92 | 04/27/2025 | 15:06:18 | 70.05, -50.35 | 55.93 | 1.97 | 67 |
| 11 | 04/30/2025 | 05:42:58 | 70.26, 90.51 | 55.33 | 04/30/2025 | 05:43:46 | 70.24, 90.53 | 55.30 | 3.31 | 48 |
| 12 | 04/30/2025 | 06:33:39 | -70.11,-101.93 | 124.85 | 04/30/2025 | 06:33:16 | -70.13,-101.98 | 124.82 | 3.08 | 23 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/18/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/18/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9