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: 11/7/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/08/2025 | 10:51:54 | 0.02,-136.99 | 0.98,-141.18 | 477.31 | 80 |
| 2 | 11/09/2025 | 10:30:32 | 0.01,-136.99 | -0.08,-136.67 | 37.07 | 80 |
| 3 | 11/11/2025 | 22:33:50 | 0.00,-136.98 | -0.12,-137.46 | 55.11 | 80 |
| 4 | 11/12/2025 | 22:17:48 | 0.01,-136.97 | 0.89,-132.93 | 459.44 | 80 |
| 5 | 11/14/2025 | 10:39:38 | -0.00,-136.95 | 0.30,-138.21 | 144.41 | 80 |
| 6 | 11/15/2025 | 10:18:16 | -0.00,-136.94 | -0.71,-133.68 | 369.98 | 80 |
| 7 | 11/16/2025 | 22:40:16 | -0.01,-136.93 | -0.48,-139.00 | 236.79 | 80 |
| 8 | 11/17/2025 | 22:24:13 | -0.01,-136.91 | 0.54,-134.48 | 277.46 | 80 |
| 9 | 11/19/2025 | 10:46:04 | 0.02,-136.88 | 0.65,-139.76 | 326.98 | 80 |
| 10 | 11/20/2025 | 10:24:41 | 0.02,-136.87 | -0.37,-135.23 | 186.57 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/7/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/07/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21