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: 3/31/2025
| 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 | 03/31/2025 | 21:59:11 | 70.85,-154.52 | 66.33 | 03/31/2025 | 22:00:20 | 70.73,-152.85 | 66.15 | 62.64 | 69 |
| 2 | 03/31/2025 | 22:49:41 | -70.16, 13.91 | 114.42 | 03/31/2025 | 22:49:58 | -70.18, 13.97 | 114.41 | 3.18 | 17 |
| 3 | 03/31/2025 | 23:40:25 | 70.01,-178.55 | 65.41 | 03/31/2025 | 23:39:26 | 70.02,-178.61 | 65.43 | 2.71 | 59 |
| 4 | 04/03/2025 | 14:16:00 | 70.21, -37.73 | 64.61 | 04/03/2025 | 14:16:56 | 70.19, -37.75 | 64.59 | 1.48 | 56 |
| 5 | 04/03/2025 | 15:06:41 | -70.09, 129.77 | 115.53 | 04/03/2025 | 15:06:26 | -70.08, 129.72 | 115.53 | 2.00 | 15 |
| 6 | 04/03/2025 | 15:57:13 | 69.30, -61.76 | 63.65 | 04/03/2025 | 15:56:05 | 69.31, -63.69 | 63.72 | 75.65 | 68 |
| 7 | 04/06/2025 | 06:33:00 | 70.15, 78.11 | 63.53 | 04/06/2025 | 06:33:22 | 70.16, 78.09 | 63.54 | 1.22 | 22 |
| 8 | 04/06/2025 | 07:23:41 | -70.03,-114.38 | 116.61 | 04/06/2025 | 07:22:52 | -70.05,-114.43 | 116.58 | 3.10 | 49 |
| 9 | 04/08/2025 | 21:59:16 | -70.25, 26.41 | 117.37 | 04/08/2025 | 22:00:20 | -70.25, 26.46 | 117.38 | 2.12 | 64 |
| 10 | 04/08/2025 | 22:50:00 | 70.11,-166.07 | 62.48 | 04/08/2025 | 22:49:47 | 70.13,-166.05 | 62.51 | 2.87 | 13 |
| 11 | 04/08/2025 | 23:40:34 | -69.61, 1.99 | 118.05 | 04/08/2025 | 23:39:23 | -69.70, 0.97 | 117.93 | 40.65 | 71 |
| 12 | 04/11/2025 | 14:16:14 | -70.16, 142.30 | 118.45 | 04/11/2025 | 14:16:44 | -70.18, 142.26 | 118.43 | 2.55 | 30 |
| 13 | 04/11/2025 | 15:06:59 | 70.08, -50.27 | 61.46 | 04/11/2025 | 15:06:11 | 70.06, -50.26 | 61.44 | 2.01 | 48 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/31/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/31/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9