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: 11/21/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/21/2025 | 22:46:41 | -0.00,-137.01 | -0.77,-140.56 | 403.19 | 80 |
| 2 | 11/22/2025 | 22:30:38 | -0.01,-137.02 | 0.20,-136.02 | 112.89 | 80 |
| 3 | 11/24/2025 | 10:52:28 | 0.01,-137.01 | 0.97,-141.30 | 488.62 | 80 |
| 4 | 11/25/2025 | 10:31:06 | 0.01,-137.01 | -0.05,-136.78 | 27.03 | 80 |
| 5 | 11/27/2025 | 22:34:23 | -0.02,-137.01 | -0.14,-137.57 | 63.24 | 80 |
| 6 | 11/28/2025 | 22:18:20 | -0.02,-137.01 | 0.89,-133.04 | 452.06 | 80 |
| 7 | 11/30/2025 | 10:40:09 | 0.02,-136.99 | 0.33,-138.31 | 150.63 | 80 |
| 8 | 12/01/2025 | 10:18:47 | 0.02,-136.98 | -0.70,-133.79 | 364.22 | 80 |
| 9 | 12/02/2025 | 22:40:46 | -0.03,-136.97 | -0.50,-139.10 | 242.81 | 80 |
| 10 | 12/03/2025 | 22:24:43 | -0.03,-136.96 | 0.48,-134.57 | 271.50 | 80 |
| 11 | 12/05/2025 | 10:46:33 | 0.04,-136.93 | 0.70,-139.85 | 332.89 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/21/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/21/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21