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: 9/20/2025
| 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 | 09/22/2025 | 03:50:22 | 81.17, 45.38 | 87.51 | 09/22/2025 | 03:49:47 | 81.17, 45.53 | 87.51 | 2.57 | 35 |
| 2 | 09/22/2025 | 04:39:41 | -81.19,-146.66 | 92.52 | 09/22/2025 | 04:40:31 | -81.19,-146.52 | 92.57 | 2.35 | 50 |
| 3 | 09/24/2025 | 14:12:17 | -81.18, 70.08 | 91.62 | 09/24/2025 | 14:11:33 | -81.17, 69.96 | 91.57 | 2.25 | 44 |
| 4 | 09/24/2025 | 15:01:36 | 81.18,-122.29 | 88.41 | 09/24/2025 | 15:02:16 | 81.18,-122.24 | 88.38 | 1.14 | 40 |
| 5 | 09/27/2025 | 00:34:11 | 81.17, 94.46 | 89.31 | 09/27/2025 | 00:33:17 | 81.17, 94.56 | 89.33 | 1.63 | 54 |
| 6 | 09/27/2025 | 01:23:30 | -81.19, -97.52 | 90.72 | 09/27/2025 | 01:24:01 | -81.19, -97.44 | 90.76 | 1.39 | 31 |
| 7 | 09/29/2025 | 10:56:05 | -81.16, 118.93 | 89.78 | 09/29/2025 | 10:55:03 | -81.17, 118.95 | 89.74 | 0.65 | 62 |
| 8 | 09/29/2025 | 11:45:23 | 81.18, -73.13 | 90.20 | 09/29/2025 | 11:45:46 | 81.18, -73.29 | 90.21 | 2.68 | 23 |
| 9 | 10/01/2025 | 21:17:56 | 81.17, 143.72 | 91.10 | 10/01/2025 | 21:16:46 | 81.17, 143.81 | 91.12 | 1.63 | 70 |
| 10 | 10/01/2025 | 22:07:16 | -81.18, -48.61 | 88.90 | 10/01/2025 | 22:07:31 | -81.18, -48.54 | 88.92 | 1.39 | 15 |
Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between AURA and NPP since TLE EPOCH: 09/20/2025 in txt file.
Historial Predications of SNOs between AURA and NPP