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: 2/22/2025
| 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 | 02/22/2025 | 14:16:22 | -70.19, 142.13 | 99.81 | 02/22/2025 | 14:17:20 | -70.16, 142.18 | 99.85 | 3.23 | 58 |
| 2 | 02/22/2025 | 15:07:06 | 70.07, -50.38 | 80.06 | 02/22/2025 | 15:06:47 | 70.06, -50.32 | 80.05 | 2.45 | 19 |
| 3 | 02/22/2025 | 15:57:36 | -69.35, 118.00 | 100.72 | 02/22/2025 | 15:56:27 | -69.40, 116.40 | 100.59 | 62.77 | 69 |
| 4 | 02/25/2025 | 06:33:14 | -70.12,-101.99 | 100.87 | 02/25/2025 | 06:33:47 | -70.14,-101.96 | 100.86 | 2.85 | 33 |
| 5 | 02/25/2025 | 07:23:58 | 70.00, 65.50 | 78.99 | 02/25/2025 | 07:23:15 | 69.98, 65.46 | 78.98 | 2.71 | 43 |
| 6 | 02/27/2025 | 21:59:30 | 70.46,-154.06 | 78.50 | 02/27/2025 | 22:00:41 | 70.36,-153.40 | 78.35 | 27.43 | 71 |
| 7 | 02/27/2025 | 22:50:06 | -70.06, 13.88 | 101.94 | 02/27/2025 | 22:50:14 | -70.08, 13.84 | 101.93 | 2.47 | 8 |
| 8 | 02/27/2025 | 23:40:50 | 69.94,-178.63 | 77.93 | 02/27/2025 | 23:39:41 | 69.97,-178.67 | 77.96 | 3.31 | 69 |
| 9 | 03/02/2025 | 14:16:17 | 70.16, -37.79 | 77.15 | 03/02/2025 | 14:17:10 | 70.14, -37.82 | 77.12 | 2.38 | 53 |
| 10 | 03/02/2025 | 15:06:58 | -70.02, 129.74 | 103.01 | 03/02/2025 | 15:06:40 | -70.03, 129.66 | 103.00 | 3.09 | 18 |
| 11 | 03/02/2025 | 15:57:27 | 69.10, -61.62 | 76.02 | 03/02/2025 | 15:56:20 | 69.20, -63.82 | 76.21 | 87.82 | 67 |
| 12 | 03/05/2025 | 06:33:08 | 70.12, 78.05 | 76.08 | 03/05/2025 | 06:33:34 | 70.09, 78.02 | 76.05 | 3.40 | 26 |
| 13 | 03/05/2025 | 07:23:49 | -69.99,-114.42 | 104.08 | 03/05/2025 | 07:23:04 | -69.99,-114.50 | 104.07 | 2.85 | 45 |
| 14 | 03/07/2025 | 21:59:18 | -70.32, 26.22 | 104.74 | 03/07/2025 | 22:00:29 | -70.29, 26.55 | 104.80 | 13.24 | 71 |
| 15 | 03/07/2025 | 22:49:59 | 70.05,-166.05 | 74.96 | 03/07/2025 | 22:49:58 | 70.06,-166.12 | 74.97 | 3.32 | 1 |
| 16 | 03/07/2025 | 23:40:41 | -69.97, 1.40 | 105.15 | 03/07/2025 | 23:39:28 | -69.96, 1.36 | 105.15 | 1.63 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/22/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/22/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9