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: 5/19/2025
| 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 | 05/21/2025 | 13:26:26 | -70.30, 154.64 | 130.08 | 05/21/2025 | 13:27:13 | -70.31, 154.72 | 130.09 | 3.05 | 47 |
| 2 | 05/21/2025 | 14:17:09 | 70.16, -37.82 | 49.76 | 05/21/2025 | 14:16:41 | 70.15, -37.85 | 49.76 | 1.33 | 28 |
| 3 | 05/24/2025 | 04:52:54 | 71.07, 101.84 | 50.21 | 05/24/2025 | 04:54:01 | 70.95, 103.93 | 50.04 | 76.88 | 67 |
| 4 | 05/24/2025 | 05:43:22 | -70.22, -89.45 | 130.68 | 05/24/2025 | 05:43:42 | -70.23, -89.50 | 130.67 | 2.86 | 20 |
| 5 | 05/24/2025 | 06:34:06 | 70.13, 78.00 | 49.22 | 05/24/2025 | 06:33:09 | 70.13, 77.99 | 49.23 | 0.44 | 57 |
| 6 | 05/26/2025 | 21:09:36 | 70.31,-141.15 | 48.96 | 05/26/2025 | 21:10:39 | 70.30,-141.16 | 48.94 | 0.91 | 63 |
| 7 | 05/26/2025 | 22:00:18 | -70.19, 26.36 | 131.18 | 05/26/2025 | 22:00:09 | -70.19, 26.32 | 131.18 | 1.75 | 9 |
| 8 | 05/26/2025 | 22:50:53 | 69.63,-165.48 | 48.24 | 05/26/2025 | 22:49:43 | 69.70,-166.73 | 48.34 | 48.79 | 70 |
| 9 | 05/29/2025 | 13:26:33 | 70.30, -25.35 | 48.51 | 05/29/2025 | 13:27:06 | 70.29, -25.29 | 48.50 | 2.31 | 33 |
| 10 | 05/29/2025 | 14:17:15 | -70.17, 142.16 | 131.63 | 05/29/2025 | 14:16:36 | -70.18, 142.19 | 131.61 | 1.96 | 39 |
| 11 | 06/01/2025 | 04:52:52 | -70.67, -77.50 | 131.47 | 06/01/2025 | 04:54:03 | -70.53, -76.70 | 131.64 | 33.48 | 71 |
| 12 | 06/01/2025 | 05:43:29 | 70.23, 90.52 | 48.07 | 06/01/2025 | 05:43:33 | 70.26, 90.55 | 48.09 | 3.20 | 4 |
| 13 | 06/01/2025 | 06:34:12 | -70.15,-102.04 | 132.02 | 06/01/2025 | 06:33:03 | -70.15,-101.98 | 132.02 | 2.60 | 69 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/19/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/19/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9