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: 4/23/2025
| 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 | 04/24/2025 | 21:59:43 | -70.22, 26.37 | 123.03 | 04/24/2025 | 22:00:25 | -70.20, 26.34 | 123.05 | 2.16 | 42 |
| 2 | 04/24/2025 | 22:50:27 | 70.09,-166.13 | 56.83 | 04/24/2025 | 22:49:52 | 70.10,-166.16 | 56.84 | 1.48 | 35 |
| 3 | 04/27/2025 | 13:26:06 | 70.62, -25.81 | 56.53 | 04/27/2025 | 13:27:17 | 70.48, -25.00 | 56.37 | 33.69 | 71 |
| 4 | 04/27/2025 | 14:16:42 | -70.21, 142.15 | 123.91 | 04/27/2025 | 14:16:50 | -70.20, 142.23 | 123.92 | 3.03 | 8 |
| 5 | 04/27/2025 | 15:07:26 | 70.09, -50.36 | 55.96 | 04/27/2025 | 15:06:17 | 70.09, -50.28 | 55.97 | 3.00 | 69 |
| 6 | 04/30/2025 | 05:42:57 | 70.25, 90.53 | 55.32 | 04/30/2025 | 05:43:44 | 70.27, 90.59 | 55.33 | 3.37 | 47 |
| 7 | 04/30/2025 | 06:33:39 | -70.15,-102.00 | 124.80 | 04/30/2025 | 06:33:14 | -70.16,-101.94 | 124.79 | 2.66 | 25 |
| 8 | 05/02/2025 | 21:09:24 | -71.00, 37.77 | 124.70 | 05/02/2025 | 21:10:32 | -70.85, 39.70 | 124.90 | 72.23 | 68 |
| 9 | 05/02/2025 | 21:59:55 | 70.22,-153.65 | 54.48 | 05/02/2025 | 22:00:09 | 70.19,-153.63 | 54.45 | 2.74 | 14 |
| 10 | 05/02/2025 | 22:50:37 | -70.11, 13.83 | 125.65 | 05/02/2025 | 22:49:39 | -70.08, 13.85 | 125.67 | 3.28 | 58 |
| 11 | 05/05/2025 | 13:26:08 | -70.23, 154.77 | 126.27 | 05/05/2025 | 13:27:06 | -70.24, 154.70 | 126.27 | 2.97 | 58 |
| 12 | 05/05/2025 | 14:16:52 | 70.14, -37.76 | 53.62 | 05/05/2025 | 14:16:33 | 70.13, -37.82 | 53.61 | 2.45 | 19 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/23/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/23/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9