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: 1/23/2025
| 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 | 01/24/2025 | 06:33:22 | -70.08,-102.02 | 90.77 | 01/24/2025 | 06:33:53 | -70.09,-102.02 | 90.77 | 0.36 | 31 |
| 2 | 01/24/2025 | 07:24:06 | 69.99, 65.44 | 89.13 | 01/24/2025 | 07:23:20 | 69.98, 65.48 | 89.12 | 1.68 | 46 |
| 3 | 01/26/2025 | 21:59:38 | 70.31,-153.91 | 88.81 | 01/26/2025 | 22:00:49 | 70.25,-153.53 | 88.73 | 15.48 | 71 |
| 4 | 01/26/2025 | 22:50:17 | -70.04, 13.83 | 91.49 | 01/26/2025 | 22:50:21 | -70.03, 13.79 | 91.49 | 1.49 | 4 |
| 5 | 01/26/2025 | 23:41:01 | 69.94,-178.72 | 88.41 | 01/26/2025 | 23:39:48 | 69.92,-178.72 | 88.40 | 2.08 | 73 |
| 6 | 01/29/2025 | 14:16:29 | 70.12, -37.84 | 87.91 | 01/29/2025 | 14:17:16 | 70.14, -37.80 | 87.92 | 3.36 | 47 |
| 7 | 01/29/2025 | 15:07:11 | -70.00, 129.65 | 92.23 | 01/29/2025 | 15:06:47 | -69.98, 129.61 | 92.25 | 2.99 | 24 |
| 8 | 02/01/2025 | 05:42:56 | -71.02, -90.84 | 91.87 | 02/01/2025 | 05:44:02 | -70.91, -88.40 | 92.08 | 89.27 | 66 |
| 9 | 02/01/2025 | 06:33:24 | 70.10, 77.97 | 87.15 | 02/01/2025 | 06:33:42 | 70.09, 78.02 | 87.13 | 2.39 | 18 |
| 10 | 02/01/2025 | 07:24:06 | -69.98,-114.54 | 92.99 | 02/01/2025 | 07:23:12 | -69.98,-114.49 | 92.99 | 1.88 | 54 |
| 11 | 02/03/2025 | 21:59:34 | -70.13, 26.38 | 93.60 | 02/03/2025 | 22:00:40 | -70.16, 26.37 | 93.58 | 3.39 | 66 |
| 12 | 02/03/2025 | 22:50:18 | 70.04,-166.17 | 86.30 | 02/03/2025 | 22:50:07 | 70.04,-166.15 | 86.30 | 0.89 | 11 |
| 13 | 02/03/2025 | 23:40:54 | -69.61, 1.79 | 94.17 | 02/03/2025 | 23:39:42 | -69.66, 0.96 | 94.07 | 32.88 | 72 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/23/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/23/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9