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: 4/17/2025
| 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 | 04/19/2025 | 14:16:31 | 70.21, -37.83 | 58.75 | 04/19/2025 | 14:16:59 | 70.19, -37.81 | 58.73 | 2.36 | 28 |
| 2 | 04/19/2025 | 15:07:12 | -70.08, 129.69 | 121.40 | 04/19/2025 | 15:06:29 | -70.08, 129.67 | 121.40 | 1.04 | 43 |
| 3 | 04/22/2025 | 05:42:45 | -70.31, -89.53 | 122.05 | 04/22/2025 | 05:43:57 | -70.31, -89.40 | 122.07 | 5.04 | 72 |
| 4 | 04/22/2025 | 06:33:28 | 70.13, 78.05 | 57.76 | 04/22/2025 | 06:33:25 | 70.14, 78.01 | 57.77 | 1.98 | 3 |
| 5 | 04/22/2025 | 07:24:09 | -70.00,-114.42 | 122.40 | 04/22/2025 | 07:22:55 | -70.03,-114.51 | 122.36 | 5.41 | 74 |
| 6 | 04/24/2025 | 21:59:43 | -70.24, 26.34 | 123.01 | 04/24/2025 | 22:00:24 | -70.22, 26.36 | 123.04 | 2.76 | 41 |
| 7 | 04/24/2025 | 22:50:27 | 70.12,-166.17 | 56.86 | 04/24/2025 | 22:49:51 | 70.10,-166.16 | 56.84 | 1.88 | 36 |
| 8 | 04/27/2025 | 13:26:05 | 70.59, -25.78 | 56.51 | 04/27/2025 | 13:27:16 | 70.46, -25.03 | 56.35 | 31.58 | 71 |
| 9 | 04/27/2025 | 14:16:41 | -70.18, 142.20 | 123.94 | 04/27/2025 | 14:16:49 | -70.19, 142.21 | 123.93 | 1.01 | 8 |
| 10 | 04/27/2025 | 15:07:25 | 70.07, -50.32 | 55.94 | 04/27/2025 | 15:06:16 | 70.07, -50.31 | 55.95 | 0.79 | 69 |
| 11 | 04/30/2025 | 05:42:57 | 70.24, 90.55 | 55.30 | 04/30/2025 | 05:43:44 | 70.22, 90.52 | 55.28 | 2.50 | 47 |
| 12 | 04/30/2025 | 06:33:39 | -70.13,-101.97 | 124.82 | 04/30/2025 | 06:33:14 | -70.11,-102.00 | 124.84 | 2.58 | 25 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/17/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/17/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9