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: 10/17/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/18/2025 | 10:46:05 | -0.02,-137.00 | 0.58,-139.81 | 320.19 | 80 |
| 2 | 10/19/2025 | 10:24:39 | -0.03,-137.00 | -0.42,-135.27 | 196.87 | 80 |
| 3 | 10/20/2025 | 22:46:33 | 0.03,-137.00 | -0.77,-140.56 | 405.85 | 80 |
| 4 | 10/21/2025 | 22:27:47 | 0.01,-137.00 | 0.23,-136.02 | 111.18 | 80 |
| 5 | 10/23/2025 | 10:52:11 | 0.01,-136.98 | 0.99,-141.27 | 489.55 | 80 |
| 6 | 10/24/2025 | 10:30:45 | 0.01,-136.97 | -0.07,-136.74 | 26.74 | 80 |
| 7 | 10/26/2025 | 22:36:33 | -0.01,-136.95 | -0.11,-137.49 | 61.99 | 80 |
| 8 | 10/27/2025 | 22:15:07 | -0.00,-136.93 | 0.90,-132.95 | 453.58 | 80 |
| 9 | 10/29/2025 | 10:39:31 | 0.01,-136.90 | 0.30,-138.20 | 149.03 | 80 |
| 10 | 10/30/2025 | 10:18:05 | 0.00,-136.88 | -0.71,-133.66 | 366.13 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/17/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/17/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21