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: 1/15/2025
| 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 | 01/16/2025 | 06:33:19 | 70.07, 78.00 | 90.94 | 01/16/2025 | 06:33:53 | 70.05, 77.93 | 90.92 | 3.54 | 34 |
| 2 | 01/16/2025 | 07:24:02 | -70.01,-114.59 | 89.13 | 01/16/2025 | 07:23:22 | -69.99,-114.51 | 89.15 | 3.63 | 40 |
| 3 | 01/18/2025 | 21:59:40 | -70.59, 25.63 | 89.03 | 01/18/2025 | 22:00:50 | -70.49, 26.80 | 89.19 | 44.73 | 70 |
| 4 | 01/18/2025 | 22:50:15 | 70.03,-166.17 | 90.37 | 01/18/2025 | 22:50:23 | 70.05,-166.19 | 90.39 | 2.76 | 8 |
| 5 | 01/18/2025 | 23:40:58 | -69.97, 1.24 | 89.71 | 01/18/2025 | 23:39:53 | -69.95, 1.30 | 89.72 | 3.19 | 65 |
| 6 | 01/21/2025 | 14:16:27 | -70.14, 142.12 | 90.09 | 01/21/2025 | 14:17:25 | -70.14, 142.16 | 90.11 | 1.79 | 58 |
| 7 | 01/21/2025 | 15:07:10 | 70.00, -50.35 | 89.76 | 01/21/2025 | 15:06:52 | 70.03, -50.35 | 89.79 | 2.87 | 18 |
| 8 | 01/21/2025 | 15:57:41 | -69.30, 117.99 | 90.99 | 01/21/2025 | 15:56:32 | -69.37, 116.39 | 90.85 | 63.33 | 69 |
| 9 | 01/24/2025 | 06:33:22 | -70.07,-101.99 | 90.79 | 01/24/2025 | 06:33:55 | -70.08,-102.04 | 90.78 | 2.19 | 33 |
| 10 | 01/24/2025 | 07:24:06 | 69.98, 65.45 | 89.12 | 01/24/2025 | 07:23:22 | 69.96, 65.44 | 89.10 | 1.77 | 44 |
| 11 | 01/26/2025 | 21:59:40 | 70.38,-154.03 | 88.90 | 01/26/2025 | 22:00:51 | 70.30,-153.47 | 88.78 | 23.12 | 71 |
| 12 | 01/26/2025 | 22:50:18 | -70.05, 13.80 | 91.47 | 01/26/2025 | 22:50:24 | -70.04, 13.79 | 91.49 | 1.63 | 6 |
| 13 | 01/26/2025 | 23:41:01 | 69.91,-178.68 | 88.38 | 01/26/2025 | 23:39:51 | 69.92,-178.73 | 88.40 | 2.10 | 70 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/15/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/15/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9