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: 2/14/2025
| 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 | 02/14/2025 | 14:16:28 | 70.17, -37.89 | 83.02 | 02/14/2025 | 14:17:22 | 70.15, -37.84 | 82.98 | 3.26 | 54 |
| 2 | 02/14/2025 | 15:07:09 | -70.02, 129.66 | 97.15 | 02/14/2025 | 15:06:52 | -70.03, 129.64 | 97.14 | 1.37 | 17 |
| 3 | 02/14/2025 | 15:57:39 | 69.17, -61.79 | 81.94 | 02/14/2025 | 15:56:32 | 69.21, -63.83 | 82.09 | 81.06 | 67 |
| 4 | 02/17/2025 | 06:33:20 | 70.12, 77.98 | 82.04 | 02/17/2025 | 06:33:51 | 70.11, 77.98 | 82.02 | 1.23 | 31 |
| 5 | 02/17/2025 | 07:24:02 | -70.02,-114.56 | 98.08 | 02/17/2025 | 07:23:21 | -70.00,-114.54 | 98.10 | 3.09 | 41 |
| 6 | 02/19/2025 | 21:59:37 | -70.60, 25.68 | 98.39 | 02/19/2025 | 22:00:47 | -70.52, 26.81 | 98.54 | 43.05 | 70 |
| 7 | 02/19/2025 | 22:50:13 | 70.08,-166.18 | 81.04 | 02/19/2025 | 22:50:20 | 70.08,-166.18 | 81.04 | 0.51 | 7 |
| 8 | 02/19/2025 | 23:40:55 | -69.98, 1.28 | 99.08 | 02/19/2025 | 23:39:50 | -69.97, 1.31 | 99.08 | 1.36 | 65 |
| 9 | 02/22/2025 | 14:16:22 | -70.15, 142.17 | 99.84 | 02/22/2025 | 14:17:21 | -70.18, 142.20 | 99.83 | 2.96 | 59 |
| 10 | 02/22/2025 | 15:07:06 | 70.05, -50.35 | 80.03 | 02/22/2025 | 15:06:48 | 70.07, -50.31 | 80.06 | 2.86 | 18 |
| 11 | 02/22/2025 | 15:57:37 | -69.37, 117.97 | 100.69 | 02/22/2025 | 15:56:28 | -69.41, 116.42 | 100.58 | 60.55 | 69 |
| 12 | 02/25/2025 | 06:33:15 | -70.14,-102.01 | 100.85 | 02/25/2025 | 06:33:49 | -70.13,-101.98 | 100.87 | 1.45 | 34 |
| 13 | 02/25/2025 | 07:23:59 | 70.03, 65.46 | 79.02 | 02/25/2025 | 07:23:16 | 70.01, 65.50 | 79.01 | 2.01 | 43 |
| 14 | 02/27/2025 | 21:59:31 | 70.49,-154.09 | 78.52 | 02/27/2025 | 22:00:42 | 70.41,-153.32 | 78.41 | 30.11 | 71 |
| 15 | 02/27/2025 | 22:50:06 | -70.08, 13.86 | 101.93 | 02/27/2025 | 22:50:15 | -70.09, 13.85 | 101.92 | 1.59 | 9 |
| 16 | 02/27/2025 | 23:40:50 | 69.97,-178.66 | 77.95 | 02/27/2025 | 23:39:42 | 69.97,-178.67 | 77.97 | 0.76 | 68 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/14/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/14/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9