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: 10/13/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/14/2025 | 10:18:31 | -0.01,-136.99 | -0.70,-133.78 | 364.45 | 80 |
| 2 | 10/15/2025 | 22:40:26 | 0.01,-137.00 | -0.43,-139.09 | 237.13 | 80 |
| 3 | 10/16/2025 | 22:24:19 | 0.02,-137.01 | 0.56,-134.55 | 280.39 | 80 |
| 4 | 10/18/2025 | 10:46:05 | -0.02,-137.00 | 0.62,-139.80 | 319.40 | 80 |
| 5 | 10/19/2025 | 10:24:38 | -0.02,-137.01 | -0.38,-135.26 | 198.08 | 80 |
| 6 | 10/20/2025 | 22:46:32 | -0.01,-137.02 | -0.81,-140.56 | 403.46 | 80 |
| 7 | 10/21/2025 | 22:30:26 | -0.02,-137.02 | 0.18,-136.01 | 113.79 | 80 |
| 8 | 10/23/2025 | 10:52:11 | 0.02,-137.00 | 0.98,-141.27 | 486.76 | 80 |
| 9 | 10/24/2025 | 10:30:45 | 0.02,-137.00 | -0.02,-136.73 | 29.71 | 80 |
| 10 | 10/26/2025 | 22:36:33 | -0.02,-136.98 | -0.16,-137.49 | 58.11 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/13/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/13/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21