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: 2/26/2025
| 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 | 02/27/2025 | 21:59:29 | 70.43,-154.01 | 78.47 | 02/27/2025 | 22:00:40 | 70.36,-153.39 | 78.36 | 24.47 | 71 |
| 2 | 02/27/2025 | 22:50:06 | -70.09, 13.84 | 101.91 | 02/27/2025 | 22:50:13 | -70.08, 13.84 | 101.93 | 1.39 | 7 |
| 3 | 02/27/2025 | 23:40:50 | 69.97,-178.66 | 77.95 | 02/27/2025 | 23:39:40 | 69.97,-178.66 | 77.96 | 0.73 | 70 |
| 4 | 03/02/2025 | 14:16:16 | 70.14, -37.76 | 77.13 | 03/02/2025 | 14:17:08 | 70.16, -37.79 | 77.14 | 2.29 | 52 |
| 5 | 03/02/2025 | 15:06:58 | -70.06, 129.68 | 102.97 | 03/02/2025 | 15:06:38 | -70.04, 129.68 | 102.99 | 1.99 | 20 |
| 6 | 03/02/2025 | 15:57:26 | 69.08, -61.59 | 76.00 | 03/02/2025 | 15:56:19 | 69.16, -63.87 | 76.18 | 90.58 | 67 |
| 7 | 03/05/2025 | 06:33:07 | 70.12, 78.06 | 76.08 | 03/05/2025 | 06:33:31 | 70.12, 78.06 | 76.07 | 0.65 | 24 |
| 8 | 03/05/2025 | 07:23:48 | -69.99,-114.43 | 104.08 | 03/05/2025 | 07:23:01 | -70.00,-114.47 | 104.06 | 2.27 | 47 |
| 9 | 03/07/2025 | 21:59:15 | -70.24, 26.35 | 104.83 | 03/07/2025 | 22:00:26 | -70.24, 26.50 | 104.85 | 5.52 | 71 |
| 10 | 03/07/2025 | 22:49:58 | 70.07,-166.07 | 74.97 | 03/07/2025 | 22:49:54 | 70.07,-166.10 | 74.98 | 1.25 | 4 |
| 11 | 03/07/2025 | 23:40:38 | -69.88, 1.53 | 105.24 | 03/07/2025 | 23:39:25 | -69.91, 1.30 | 105.19 | 9.01 | 73 |
| 12 | 03/10/2025 | 14:16:05 | -70.15, 142.28 | 105.98 | 03/10/2025 | 14:16:49 | -70.15, 142.27 | 105.99 | 0.44 | 44 |
| 13 | 03/10/2025 | 15:06:49 | 70.03, -50.22 | 73.88 | 03/10/2025 | 15:06:16 | 70.03, -50.25 | 73.89 | 1.05 | 33 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/26/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/26/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9