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: 11/23/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/24/2025 | 10:52:28 | 0.01,-137.00 | 0.96,-141.30 | 490.18 | 80 |
| 2 | 11/25/2025 | 10:31:05 | 0.02,-136.99 | -0.00,-136.77 | 25.13 | 80 |
| 3 | 11/27/2025 | 22:34:23 | 0.00,-136.98 | -0.13,-137.57 | 66.99 | 80 |
| 4 | 11/28/2025 | 22:15:40 | 0.01,-136.97 | 0.91,-133.05 | 447.63 | 80 |
| 5 | 11/30/2025 | 10:40:10 | -0.00,-136.95 | 0.32,-138.31 | 155.97 | 80 |
| 6 | 12/01/2025 | 10:18:47 | -0.00,-136.93 | -0.71,-133.79 | 358.35 | 80 |
| 7 | 12/02/2025 | 22:40:46 | -0.01,-136.91 | -0.48,-139.10 | 249.13 | 80 |
| 8 | 12/03/2025 | 22:24:43 | -0.01,-136.89 | 0.50,-134.57 | 264.58 | 80 |
| 9 | 12/05/2025 | 10:46:33 | 0.02,-136.86 | 0.67,-139.85 | 340.84 | 80 |
| 10 | 12/06/2025 | 10:25:10 | 0.01,-136.83 | -0.31,-135.32 | 172.15 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/23/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/23/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21