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: 8/11/2025
| 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 | 08/12/2025 | 05:43:46 | -70.25, -89.34 | 124.66 | 08/12/2025 | 05:44:15 | -70.25, -89.37 | 124.67 | 1.00 | 29 |
| 2 | 08/12/2025 | 06:34:31 | 70.16, 78.10 | 55.26 | 08/12/2025 | 06:33:42 | 70.15, 78.13 | 55.25 | 1.54 | 49 |
| 3 | 08/14/2025 | 21:10:03 | 70.55,-141.35 | 56.46 | 08/14/2025 | 21:11:14 | 70.45,-140.84 | 56.33 | 22.25 | 71 |
| 4 | 08/14/2025 | 22:00:40 | -70.22, 26.49 | 123.88 | 08/14/2025 | 22:00:46 | -70.23, 26.48 | 123.87 | 1.14 | 6 |
| 5 | 08/14/2025 | 22:51:25 | 70.14,-166.07 | 56.05 | 08/14/2025 | 22:50:13 | 70.13,-166.03 | 56.04 | 1.98 | 72 |
| 6 | 08/17/2025 | 13:26:53 | 70.32, -25.20 | 57.06 | 08/17/2025 | 13:27:47 | 70.29, -25.19 | 57.03 | 2.91 | 54 |
| 7 | 08/17/2025 | 14:17:33 | -70.19, 142.31 | 123.06 | 08/17/2025 | 14:17:16 | -70.19, 142.29 | 123.07 | 1.24 | 17 |
| 8 | 08/17/2025 | 15:08:03 | 69.32, -49.08 | 56.04 | 08/17/2025 | 15:06:56 | 69.36, -51.20 | 56.16 | 83.47 | 67 |
| 9 | 08/20/2025 | 05:43:45 | 70.25, 90.69 | 57.86 | 08/20/2025 | 05:44:16 | 70.28, 90.68 | 57.88 | 3.40 | 31 |
| 10 | 08/20/2025 | 06:34:27 | -70.17,-101.87 | 122.22 | 08/20/2025 | 06:33:46 | -70.18,-101.84 | 122.21 | 1.06 | 41 |
| 11 | 08/22/2025 | 21:10:03 | -70.78, 38.32 | 120.72 | 08/22/2025 | 21:11:13 | -70.69, 39.51 | 120.85 | 44.97 | 70 |
| 12 | 08/22/2025 | 22:00:39 | 70.24,-153.51 | 58.74 | 08/22/2025 | 22:00:46 | 70.25,-153.49 | 58.74 | 1.11 | 7 |
| 13 | 08/22/2025 | 22:51:21 | -70.16, 13.94 | 121.34 | 08/22/2025 | 22:50:16 | -70.14, 14.00 | 121.35 | 2.39 | 65 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/11/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/11/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9