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: 10/27/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/27/2025 | 22:16:13 | 0.01,-136.99 | 0.94,-132.96 | 460.26 | 15 |
| 2 | 10/29/2025 | 10:39:32 | -0.01,-136.99 | 0.25,-138.21 | 138.37 | 80 |
| 3 | 10/30/2025 | 10:18:05 | -0.02,-137.00 | -0.76,-133.67 | 379.01 | 80 |
| 4 | 10/31/2025 | 22:42:40 | 0.01,-137.00 | -0.42,-138.96 | 223.86 | 80 |
| 5 | 11/01/2025 | 22:21:13 | 0.02,-137.00 | 0.59,-134.42 | 293.37 | 80 |
| 6 | 11/03/2025 | 10:45:37 | -0.01,-136.99 | 0.59,-139.68 | 305.81 | 80 |
| 7 | 11/04/2025 | 10:24:11 | -0.00,-136.99 | -0.43,-135.14 | 211.05 | 80 |
| 8 | 11/05/2025 | 22:48:44 | -0.01,-136.98 | -0.79,-140.42 | 393.04 | 80 |
| 9 | 11/06/2025 | 22:27:18 | -0.01,-136.96 | 0.23,-135.88 | 123.12 | 80 |
| 10 | 11/08/2025 | 10:51:42 | 0.02,-136.94 | 0.94,-141.14 | 477.84 | 80 |
| 11 | 11/09/2025 | 10:30:16 | 0.01,-136.93 | -0.08,-136.60 | 37.78 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/27/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/27/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21