Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/9/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/10/2025 | 22:34:17 | 0.01,-137.00 | -0.11,-137.61 | 68.40 | 80 |
| 2 | 10/11/2025 | 22:18:11 | 0.01,-137.00 | 0.87,-133.06 | 447.95 | 80 |
| 3 | 10/13/2025 | 10:39:57 | -0.01,-136.97 | 0.27,-138.33 | 154.27 | 80 |
| 4 | 10/14/2025 | 10:18:31 | -0.01,-136.96 | -0.71,-133.79 | 361.66 | 80 |
| 5 | 10/15/2025 | 22:40:25 | 0.01,-136.96 | -0.48,-139.08 | 241.99 | 80 |
| 6 | 10/16/2025 | 22:24:20 | 0.01,-136.95 | 0.57,-134.55 | 274.09 | 80 |
| 7 | 10/18/2025 | 10:46:05 | -0.01,-136.93 | 0.62,-139.81 | 327.90 | 80 |
| 8 | 10/19/2025 | 10:24:38 | -0.01,-136.91 | -0.38,-135.26 | 188.04 | 80 |
| 9 | 10/20/2025 | 22:46:33 | -0.01,-136.91 | -0.81,-140.56 | 415.98 | 80 |
| 10 | 10/21/2025 | 22:30:26 | -0.01,-136.89 | 0.18,-136.02 | 99.73 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/9/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/09/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21