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: 10/16/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/16/2025 | 22:24:20 | 0.01,-137.02 | 0.59,-134.55 | 282.36 | 80 |
| 2 | 10/18/2025 | 10:46:05 | -0.02,-137.02 | 0.59,-139.81 | 317.05 | 80 |
| 3 | 10/19/2025 | 10:24:39 | -0.01,-137.03 | -0.41,-135.27 | 200.71 | 80 |
| 4 | 10/20/2025 | 22:46:33 | 0.02,-137.04 | -0.78,-140.56 | 400.93 | 80 |
| 5 | 10/21/2025 | 22:30:26 | 0.02,-137.05 | 0.22,-136.02 | 116.50 | 80 |
| 6 | 10/23/2025 | 10:52:12 | -0.02,-137.04 | 0.94,-141.28 | 483.95 | 80 |
| 7 | 10/24/2025 | 10:30:45 | -0.02,-137.03 | -0.06,-136.74 | 32.90 | 80 |
| 8 | 10/26/2025 | 22:33:54 | 0.03,-137.02 | -0.05,-137.51 | 54.27 | 80 |
| 9 | 10/27/2025 | 22:17:48 | 0.03,-137.02 | 0.95,-132.97 | 462.03 | 80 |
| 10 | 10/29/2025 | 10:39:32 | -0.03,-136.99 | 0.24,-138.22 | 139.72 | 80 |
| 11 | 10/30/2025 | 10:18:05 | -0.04,-136.98 | -0.77,-133.68 | 376.11 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/16/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/16/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21