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: 8/15/2025
| 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 | 08/17/2025 | 13:26:52 | 70.28, -25.14 | 57.02 | 08/17/2025 | 13:27:47 | 70.29, -25.20 | 57.02 | 2.30 | 55 |
| 2 | 08/17/2025 | 14:17:34 | -70.21, 142.28 | 123.04 | 08/17/2025 | 14:17:16 | -70.23, 142.35 | 123.03 | 2.83 | 18 |
| 3 | 08/17/2025 | 15:08:04 | 69.33, -49.10 | 56.06 | 08/17/2025 | 15:06:57 | 69.35, -51.21 | 56.15 | 83.06 | 67 |
| 4 | 08/20/2025 | 05:43:46 | 70.27, 90.67 | 57.87 | 08/20/2025 | 05:44:17 | 70.28, 90.67 | 57.88 | 1.78 | 31 |
| 5 | 08/20/2025 | 06:34:28 | -70.19,-101.90 | 122.20 | 08/20/2025 | 06:33:47 | -70.17,-101.85 | 122.22 | 2.90 | 41 |
| 6 | 08/22/2025 | 21:10:03 | -70.80, 38.29 | 120.70 | 08/22/2025 | 21:11:13 | -70.69, 39.52 | 120.84 | 46.61 | 70 |
| 7 | 08/22/2025 | 22:00:39 | 70.26,-153.53 | 58.75 | 08/22/2025 | 22:00:46 | 70.26,-153.48 | 58.75 | 2.14 | 7 |
| 8 | 08/22/2025 | 22:51:20 | -70.12, 13.99 | 121.38 | 08/22/2025 | 22:50:16 | -70.15, 14.00 | 121.34 | 3.29 | 64 |
| 9 | 08/25/2025 | 13:26:48 | -70.31, 154.85 | 120.29 | 08/25/2025 | 13:27:49 | -70.33, 154.86 | 120.28 | 1.75 | 61 |
| 10 | 08/25/2025 | 14:17:32 | 70.20, -37.66 | 59.60 | 08/25/2025 | 14:17:16 | 70.22, -37.65 | 59.63 | 2.61 | 16 |
| 11 | 08/25/2025 | 15:08:04 | -69.58, 130.59 | 121.02 | 08/25/2025 | 15:06:54 | -69.68, 129.22 | 120.89 | 53.92 | 70 |
| 12 | 08/28/2025 | 05:43:41 | -70.26, -89.27 | 119.42 | 08/28/2025 | 05:44:19 | -70.28, -89.33 | 119.40 | 3.20 | 38 |
| 13 | 08/28/2025 | 06:34:25 | 70.14, 78.21 | 60.48 | 08/28/2025 | 06:33:46 | 70.16, 78.15 | 60.51 | 3.02 | 39 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/15/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/15/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9