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: 3/18/2025
| 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 | 03/18/2025 | 14:15:56 | 70.20, -37.75 | 70.90 | 03/18/2025 | 14:17:04 | 70.22, -37.73 | 70.90 | 1.55 | 68 |
| 2 | 03/18/2025 | 15:06:37 | -70.09, 129.75 | 109.24 | 03/18/2025 | 15:06:34 | -70.10, 129.74 | 109.23 | 0.99 | 3 |
| 3 | 03/18/2025 | 15:57:17 | 69.74, -62.41 | 70.39 | 03/18/2025 | 15:56:05 | 69.77, -63.07 | 70.45 | 25.55 | 72 |
| 4 | 03/21/2025 | 06:32:46 | 70.16, 78.11 | 69.80 | 03/21/2025 | 06:33:29 | 70.16, 78.09 | 69.78 | 1.01 | 43 |
| 5 | 03/21/2025 | 07:23:27 | -70.05,-114.39 | 110.35 | 03/21/2025 | 07:22:59 | -70.04,-114.44 | 110.35 | 2.04 | 28 |
| 6 | 03/23/2025 | 21:59:06 | -71.01, 25.24 | 110.37 | 03/23/2025 | 22:00:13 | -70.91, 27.47 | 110.55 | 81.51 | 67 |
| 7 | 03/23/2025 | 22:49:36 | 70.14,-166.06 | 68.71 | 03/23/2025 | 22:49:52 | 70.15,-166.03 | 68.71 | 1.35 | 16 |
| 8 | 03/23/2025 | 23:40:17 | -70.02, 1.44 | 111.43 | 03/23/2025 | 23:39:22 | -70.03, 1.45 | 111.42 | 0.98 | 55 |
| 9 | 03/26/2025 | 14:15:41 | -70.22, 142.32 | 112.26 | 03/26/2025 | 14:16:47 | -70.24, 142.37 | 112.25 | 3.17 | 66 |
| 10 | 03/26/2025 | 15:06:25 | 70.09, -50.17 | 67.59 | 03/26/2025 | 15:06:15 | 70.07, -50.23 | 67.58 | 2.70 | 10 |
| 11 | 03/26/2025 | 15:57:01 | -69.70, 117.72 | 112.83 | 03/26/2025 | 15:55:49 | -69.74, 116.94 | 112.76 | 30.36 | 72 |
| 12 | 03/29/2025 | 06:32:29 | -70.18,-101.82 | 113.36 | 03/29/2025 | 06:33:08 | -70.16,-101.84 | 113.38 | 2.24 | 39 |
| 13 | 03/29/2025 | 07:23:13 | 70.05, 65.68 | 66.50 | 03/29/2025 | 07:22:35 | 70.04, 65.64 | 66.50 | 1.97 | 38 |
| 14 | 03/31/2025 | 21:58:43 | 70.60,-154.00 | 66.06 | 03/31/2025 | 21:59:53 | 70.50,-153.05 | 65.93 | 36.67 | 70 |
| 15 | 03/31/2025 | 22:49:17 | -70.10, 14.10 | 114.48 | 03/31/2025 | 22:49:28 | -70.12, 14.02 | 114.46 | 3.55 | 11 |
| 16 | 03/31/2025 | 23:40:02 | 70.03,-178.49 | 65.44 | 03/31/2025 | 23:38:54 | 70.05,-178.42 | 65.47 | 3.52 | 68 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/18/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/18/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9