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: 11/28/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/28/2025 | 22:18:20 | -0.00,-137.00 | 0.87,-133.04 | 451.62 | 80 |
| 2 | 11/30/2025 | 10:40:10 | 0.00,-136.99 | 0.30,-138.32 | 151.01 | 80 |
| 3 | 12/01/2025 | 10:18:47 | 0.00,-136.98 | -0.74,-133.80 | 363.95 | 80 |
| 4 | 12/02/2025 | 22:40:47 | -0.00,-136.97 | -0.46,-139.11 | 242.85 | 80 |
| 5 | 12/03/2025 | 22:24:43 | -0.00,-136.96 | 0.52,-134.57 | 271.51 | 80 |
| 6 | 12/05/2025 | 10:46:34 | -0.00,-136.93 | 0.65,-139.85 | 332.89 | 80 |
| 7 | 12/06/2025 | 10:25:11 | -0.00,-136.91 | -0.39,-135.33 | 180.90 | 80 |
| 8 | 12/07/2025 | 22:47:09 | 0.00,-136.89 | -0.85,-140.63 | 427.35 | 80 |
| 9 | 12/08/2025 | 22:31:07 | -0.00,-136.87 | 0.19,-136.12 | 86.52 | 80 |
| 10 | 12/11/2025 | 10:34:14 | 0.00,-136.82 | -0.00,-136.86 | 4.76 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/28/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/28/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21