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: 11/27/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/27/2025 | 22:35:45 | -0.01,-137.01 | 0.00,-137.59 | 65.49 | 0 |
| 2 | 11/28/2025 | 22:18:19 | -0.01,-137.00 | 0.86,-133.03 | 452.02 | 80 |
| 3 | 11/30/2025 | 10:40:10 | 0.02,-136.99 | 0.31,-138.31 | 150.35 | 80 |
| 4 | 12/01/2025 | 10:18:47 | 0.02,-136.99 | -0.73,-133.79 | 364.69 | 80 |
| 5 | 12/02/2025 | 22:40:47 | -0.02,-136.98 | -0.47,-139.10 | 241.95 | 80 |
| 6 | 12/03/2025 | 22:24:43 | -0.02,-136.96 | 0.51,-134.57 | 272.57 | 80 |
| 7 | 12/05/2025 | 10:46:33 | 0.03,-136.94 | 0.65,-139.85 | 331.52 | 80 |
| 8 | 12/06/2025 | 10:25:10 | 0.02,-136.92 | -0.33,-135.32 | 182.33 | 80 |
| 9 | 12/07/2025 | 22:47:09 | -0.03,-136.90 | -0.85,-140.63 | 425.75 | 80 |
| 10 | 12/08/2025 | 22:31:06 | -0.02,-136.88 | 0.14,-136.10 | 88.07 | 80 |
| 11 | 12/11/2025 | 10:34:13 | 0.02,-136.83 | 0.04,-136.85 | 3.14 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/27/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/27/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21