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: 5/23/2025
| 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 | 05/24/2025 | 04:52:53 | 71.05, 101.87 | 50.19 | 05/24/2025 | 04:54:00 | 70.98, 103.97 | 50.07 | 76.41 | 67 |
| 2 | 05/24/2025 | 05:43:22 | -70.25, -89.51 | 130.65 | 05/24/2025 | 05:43:41 | -70.26, -89.47 | 130.65 | 1.30 | 19 |
| 3 | 05/24/2025 | 06:34:05 | 70.11, 78.03 | 49.20 | 05/24/2025 | 06:33:09 | 70.10, 77.95 | 49.20 | 2.84 | 56 |
| 4 | 05/26/2025 | 21:09:36 | 70.29,-141.12 | 48.94 | 05/26/2025 | 21:10:40 | 70.29,-141.18 | 48.92 | 2.66 | 64 |
| 5 | 05/26/2025 | 22:00:19 | -70.22, 26.31 | 131.15 | 05/26/2025 | 22:00:09 | -70.22, 26.36 | 131.15 | 2.03 | 10 |
| 6 | 05/26/2025 | 22:50:54 | 69.66,-165.53 | 48.27 | 05/26/2025 | 22:49:44 | 69.68,-166.75 | 48.32 | 47.36 | 70 |
| 7 | 05/29/2025 | 13:26:33 | 70.27, -25.32 | 48.49 | 05/29/2025 | 13:27:07 | 70.29, -25.30 | 48.50 | 1.58 | 34 |
| 8 | 05/29/2025 | 14:17:15 | -70.15, 142.19 | 131.65 | 05/29/2025 | 14:16:37 | -70.17, 142.17 | 131.62 | 2.68 | 38 |
| 9 | 06/01/2025 | 04:52:52 | -70.66, -77.47 | 131.49 | 06/01/2025 | 04:54:03 | -70.60, -76.61 | 131.58 | 32.44 | 71 |
| 10 | 06/01/2025 | 05:43:29 | 70.21, 90.55 | 48.04 | 06/01/2025 | 05:43:35 | 70.22, 90.48 | 48.05 | 2.88 | 6 |
| 11 | 06/01/2025 | 06:34:12 | -70.13,-102.02 | 132.04 | 06/01/2025 | 06:33:04 | -70.16,-101.97 | 132.01 | 3.24 | 68 |
| 12 | 06/03/2025 | 21:09:41 | -70.28, 38.90 | 132.21 | 06/03/2025 | 21:10:34 | -70.29, 38.83 | 132.21 | 2.97 | 53 |
| 13 | 06/03/2025 | 22:00:25 | 70.20,-153.67 | 47.71 | 06/03/2025 | 22:00:01 | 70.18,-153.69 | 47.68 | 2.62 | 24 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/23/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/23/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9