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: 11/22/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/22/2025 | 22:30:39 | -0.00,-137.01 | 0.23,-136.03 | 112.11 | 80 |
| 2 | 11/24/2025 | 10:52:28 | 0.01,-137.00 | 1.00,-141.29 | 490.40 | 80 |
| 3 | 11/25/2025 | 10:31:05 | 0.01,-136.99 | -0.03,-136.77 | 24.71 | 80 |
| 4 | 11/27/2025 | 22:34:22 | -0.02,-136.98 | -0.16,-137.56 | 66.77 | 80 |
| 5 | 11/28/2025 | 22:18:20 | -0.02,-136.97 | 0.87,-133.04 | 447.99 | 80 |
| 6 | 11/30/2025 | 10:40:10 | 0.02,-136.95 | 0.30,-138.32 | 155.70 | 80 |
| 7 | 12/01/2025 | 10:18:47 | 0.02,-136.93 | -0.68,-133.78 | 358.61 | 80 |
| 8 | 12/02/2025 | 22:40:46 | -0.03,-136.91 | -0.52,-139.10 | 249.14 | 80 |
| 9 | 12/03/2025 | 22:24:43 | -0.03,-136.89 | 0.52,-134.58 | 264.61 | 80 |
| 10 | 12/05/2025 | 10:46:33 | 0.04,-136.85 | 0.71,-139.84 | 340.75 | 80 |
| 11 | 12/06/2025 | 10:25:10 | 0.04,-136.83 | -0.32,-135.32 | 172.41 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/22/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/22/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21