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: 11/1/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/01/2025 | 22:23:53 | 0.00,-137.05 | 0.60,-134.42 | 299.20 | 80 |
| 2 | 11/03/2025 | 10:45:38 | -0.00,-137.05 | 0.58,-139.68 | 299.59 | 80 |
| 3 | 11/04/2025 | 10:24:11 | 0.00,-137.05 | -0.44,-135.14 | 217.92 | 80 |
| 4 | 11/05/2025 | 22:46:05 | -0.00,-137.05 | -0.73,-140.43 | 384.82 | 80 |
| 5 | 11/06/2025 | 22:29:59 | -0.00,-137.05 | 0.29,-135.90 | 132.24 | 80 |
| 6 | 11/08/2025 | 10:51:42 | 0.01,-137.03 | 0.94,-141.14 | 468.10 | 80 |
| 7 | 11/09/2025 | 10:30:16 | 0.01,-137.02 | -0.08,-136.60 | 48.51 | 80 |
| 8 | 11/11/2025 | 22:33:24 | 0.01,-137.01 | -0.05,-137.36 | 39.84 | 80 |
| 9 | 11/12/2025 | 22:17:17 | 0.02,-137.00 | 0.98,-132.82 | 476.58 | 80 |
| 10 | 11/14/2025 | 10:39:00 | -0.02,-136.98 | 0.24,-138.06 | 124.10 | 80 |
| 11 | 11/15/2025 | 10:17:34 | -0.02,-136.97 | -0.79,-133.53 | 392.13 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/1/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/01/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21