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: 3/17/2025
| 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 | 03/18/2025 | 14:15:57 | 70.22, -37.78 | 70.92 | 03/18/2025 | 14:17:05 | 70.20, -37.75 | 70.88 | 3.08 | 68 |
| 2 | 03/18/2025 | 15:06:38 | -70.11, 129.72 | 109.22 | 03/18/2025 | 15:06:35 | -70.08, 129.71 | 109.25 | 3.21 | 3 |
| 3 | 03/18/2025 | 15:57:17 | 69.71, -62.37 | 70.35 | 03/18/2025 | 15:56:05 | 69.81, -63.02 | 70.49 | 27.68 | 72 |
| 4 | 03/21/2025 | 06:32:47 | 70.18, 78.08 | 69.82 | 03/21/2025 | 06:33:29 | 70.20, 78.15 | 69.82 | 3.34 | 42 |
| 5 | 03/21/2025 | 07:23:28 | -70.07,-114.42 | 110.33 | 03/21/2025 | 07:22:59 | -70.09,-114.38 | 110.30 | 2.72 | 29 |
| 6 | 03/23/2025 | 21:59:06 | -71.02, 25.21 | 110.35 | 03/23/2025 | 22:00:13 | -70.91, 27.46 | 110.55 | 82.75 | 67 |
| 7 | 03/23/2025 | 22:49:36 | 70.16,-166.09 | 68.73 | 03/23/2025 | 22:49:52 | 70.15,-166.03 | 68.71 | 2.79 | 16 |
| 8 | 03/23/2025 | 23:40:17 | -70.04, 1.42 | 111.41 | 03/23/2025 | 23:39:22 | -70.03, 1.45 | 111.42 | 1.49 | 55 |
| 9 | 03/26/2025 | 14:15:40 | -70.18, 142.38 | 112.30 | 03/26/2025 | 14:16:48 | -70.20, 142.31 | 112.29 | 3.32 | 68 |
| 10 | 03/26/2025 | 15:06:25 | 70.10, -50.20 | 67.61 | 03/26/2025 | 15:06:15 | 70.08, -50.21 | 67.59 | 2.30 | 10 |
| 11 | 03/26/2025 | 15:57:01 | -69.72, 117.70 | 112.81 | 03/26/2025 | 15:55:49 | -69.75, 116.96 | 112.74 | 28.78 | 72 |
| 12 | 03/29/2025 | 06:32:30 | -70.19,-101.84 | 113.34 | 03/29/2025 | 06:33:09 | -70.19,-101.80 | 113.35 | 1.53 | 39 |
| 13 | 03/29/2025 | 07:23:14 | 70.06, 65.66 | 66.52 | 03/29/2025 | 07:22:36 | 70.07, 65.68 | 66.53 | 0.95 | 38 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/17/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/17/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9