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: 3/20/2025
| 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 | 03/21/2025 | 06:32:46 | 70.15, 78.14 | 69.78 | 03/21/2025 | 06:33:29 | 70.17, 78.10 | 69.79 | 2.90 | 43 |
| 2 | 03/21/2025 | 07:23:27 | -70.03,-114.37 | 110.36 | 03/21/2025 | 07:22:59 | -70.05,-114.43 | 110.34 | 3.14 | 28 |
| 3 | 03/23/2025 | 21:59:06 | -70.99, 25.26 | 110.38 | 03/23/2025 | 22:00:13 | -70.90, 27.46 | 110.56 | 80.20 | 67 |
| 4 | 03/23/2025 | 22:49:36 | 70.13,-166.03 | 68.69 | 03/23/2025 | 22:49:52 | 70.14,-166.03 | 68.70 | 1.79 | 16 |
| 5 | 03/23/2025 | 23:40:17 | -70.01, 1.47 | 111.45 | 03/23/2025 | 23:39:22 | -70.02, 1.44 | 111.43 | 2.01 | 55 |
| 6 | 03/26/2025 | 14:15:40 | -70.20, 142.34 | 112.28 | 03/26/2025 | 14:16:46 | -70.21, 142.33 | 112.28 | 0.94 | 66 |
| 7 | 03/26/2025 | 15:06:25 | 70.12, -50.23 | 67.63 | 03/26/2025 | 15:06:13 | 70.10, -50.18 | 67.61 | 3.29 | 12 |
| 8 | 03/26/2025 | 15:56:59 | -69.64, 117.82 | 112.90 | 03/26/2025 | 15:55:48 | -69.71, 116.91 | 112.78 | 36.30 | 71 |
| 9 | 03/29/2025 | 06:32:29 | -70.16,-101.80 | 113.37 | 03/29/2025 | 06:33:07 | -70.16,-101.83 | 113.38 | 1.57 | 38 |
| 10 | 03/29/2025 | 07:23:13 | 70.04, 65.71 | 66.49 | 03/29/2025 | 07:22:34 | 70.04, 65.65 | 66.50 | 2.31 | 39 |
| 11 | 03/31/2025 | 21:58:42 | 70.53,-153.90 | 65.99 | 03/31/2025 | 21:59:53 | 70.42,-153.17 | 65.84 | 29.81 | 71 |
| 12 | 03/31/2025 | 22:49:18 | -70.14, 14.03 | 114.44 | 03/31/2025 | 22:49:26 | -70.14, 14.06 | 114.44 | 1.04 | 8 |
| 13 | 03/31/2025 | 23:40:02 | 70.02,-178.47 | 65.43 | 03/31/2025 | 23:38:53 | 70.02,-178.46 | 65.44 | 0.42 | 69 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/20/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/20/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9