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: 3/26/2025
| 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 | 03/26/2025 | 14:15:48 | -70.61, 141.69 | 111.85 | 03/26/2025 | 14:16:59 | -70.46, 142.62 | 112.04 | 38.15 | 71 |
| 2 | 03/26/2025 | 15:06:25 | 70.10, -50.20 | 67.61 | 03/26/2025 | 15:06:30 | 70.14, -50.21 | 67.64 | 3.59 | 5 |
| 3 | 03/26/2025 | 15:57:07 | -70.05, 117.21 | 112.47 | 03/26/2025 | 15:56:00 | -70.02, 117.27 | 112.48 | 3.33 | 67 |
| 4 | 03/29/2025 | 06:32:30 | -70.21,-101.87 | 113.32 | 03/29/2025 | 06:33:31 | -70.23,-101.84 | 113.31 | 2.63 | 61 |
| 5 | 03/29/2025 | 07:23:14 | 70.07, 65.65 | 66.53 | 03/29/2025 | 07:22:59 | 70.07, 65.58 | 66.52 | 2.84 | 15 |
| 6 | 03/29/2025 | 08:13:46 | -69.48,-126.15 | 114.11 | 03/29/2025 | 08:12:36 | -69.57,-127.47 | 113.97 | 52.34 | 70 |
| 7 | 03/31/2025 | 22:49:18 | -70.19, 13.97 | 114.39 | 03/31/2025 | 22:49:57 | -70.20, 14.00 | 114.39 | 1.81 | 39 |
| 8 | 03/31/2025 | 23:40:02 | 70.06,-178.53 | 65.47 | 03/31/2025 | 23:39:24 | 70.09,-178.51 | 65.50 | 3.29 | 38 |
| 9 | 04/03/2025 | 14:15:36 | 70.83, -38.59 | 65.27 | 04/03/2025 | 14:16:44 | 70.75, -36.93 | 65.13 | 61.48 | 68 |
| 10 | 04/03/2025 | 15:06:06 | -70.13, 129.85 | 115.48 | 04/03/2025 | 15:06:23 | -70.15, 129.82 | 115.47 | 1.89 | 17 |
| 11 | 04/03/2025 | 15:56:51 | 70.06, -62.72 | 64.43 | 04/03/2025 | 15:55:50 | 70.03, -62.70 | 64.41 | 3.36 | 61 |
| 12 | 04/06/2025 | 06:32:13 | 70.22, 78.20 | 63.61 | 04/06/2025 | 06:33:17 | 70.23, 78.21 | 63.61 | 1.34 | 64 |
| 13 | 04/06/2025 | 07:22:55 | -70.15,-114.36 | 116.49 | 04/06/2025 | 07:22:47 | -70.13,-114.31 | 116.51 | 3.00 | 8 |
| 14 | 04/06/2025 | 08:13:31 | 69.60, 53.77 | 62.94 | 04/06/2025 | 08:12:20 | 69.68, 52.71 | 63.05 | 41.63 | 71 |
| 15 | 04/08/2025 | 22:49:01 | 70.20,-165.96 | 62.58 | 04/08/2025 | 22:49:40 | 70.19,-165.94 | 62.56 | 1.43 | 39 |
| 16 | 04/08/2025 | 23:39:42 | -70.07, 1.56 | 117.57 | 04/08/2025 | 23:39:10 | -70.09, 1.54 | 117.55 | 1.99 | 32 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/26/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/26/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9