Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between AURA and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/20/2025
| Index | Date (AURA) | Time (AURA) | Lat,Lon (AURA) | SZA (AURA ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 10/21/2025 | 08:11:29 | 81.17, -19.34 | 98.07 | 10/21/2025 | 08:10:31 | 81.17, -19.42 | 98.12 | 1.39 | 58 |
| 2 | 10/21/2025 | 09:00:48 | -81.18, 148.55 | 81.95 | 10/21/2025 | 09:01:15 | -81.18, 148.42 | 81.95 | 2.30 | 27 |
| 3 | 10/23/2025 | 18:33:05 | -81.19, 5.61 | 81.15 | 10/23/2025 | 18:32:13 | -81.18, 5.60 | 81.12 | 0.42 | 52 |
| 4 | 10/23/2025 | 19:22:23 | 81.20, 173.50 | 98.84 | 10/23/2025 | 19:22:56 | 81.20, 173.53 | 98.82 | 0.61 | 33 |
| 5 | 10/26/2025 | 04:54:39 | 81.19, 30.25 | 99.67 | 10/26/2025 | 04:53:55 | 81.18, 30.26 | 99.69 | 0.24 | 44 |
| 6 | 10/26/2025 | 05:43:58 | -81.20,-161.83 | 80.36 | 10/26/2025 | 05:44:39 | -81.20,-161.91 | 80.37 | 1.41 | 41 |
| 7 | 10/28/2025 | 15:16:12 | -81.19, 55.04 | 79.56 | 10/28/2025 | 15:15:37 | -81.19, 55.14 | 79.55 | 1.72 | 35 |
| 8 | 10/28/2025 | 16:05:30 | 81.20,-137.13 | 100.44 | 10/28/2025 | 16:06:21 | 81.20,-137.31 | 100.43 | 3.09 | 51 |
| 9 | 10/31/2025 | 01:37:43 | 81.18, 79.45 | 101.26 | 10/31/2025 | 01:37:20 | 81.18, 79.30 | 101.29 | 2.52 | 23 |
| 10 | 10/31/2025 | 02:27:02 | -81.19,-112.62 | 78.77 | 10/31/2025 | 02:28:03 | -81.20,-112.50 | 78.82 | 2.14 | 61 |
| 11 | 11/02/2025 | 11:59:12 | -81.20, 104.44 | 78.03 | 11/02/2025 | 11:59:01 | -81.19, 104.41 | 78.02 | 0.57 | 11 |
Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 10/20/2025
Download SNOs between AURA and NPP since TLE EPOCH: 10/20/2025 in txt file.
Historial Predications of SNOs between AURA and NPP