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: 8/3/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/05/2025 | 10:31:40 | -0.02,-136.97 | -0.04,-137.00 | 3.47 | 80 |
| 2 | 08/07/2025 | 22:34:51 | 0.02,-136.94 | -0.14,-137.77 | 93.67 | 80 |
| 3 | 08/08/2025 | 22:18:46 | 0.02,-136.93 | 0.82,-133.23 | 421.20 | 80 |
| 4 | 08/10/2025 | 10:40:34 | -0.01,-136.90 | 0.32,-138.50 | 182.32 | 80 |
| 5 | 08/11/2025 | 10:19:09 | -0.01,-136.88 | -0.64,-133.96 | 332.23 | 80 |
| 6 | 08/12/2025 | 22:41:05 | 0.01,-136.85 | -0.54,-139.27 | 275.06 | 80 |
| 7 | 08/13/2025 | 22:25:01 | 0.01,-136.83 | 0.48,-134.74 | 239.10 | 80 |
| 8 | 08/15/2025 | 10:46:48 | -0.01,-136.79 | 0.73,-140.00 | 365.77 | 80 |
| 9 | 08/16/2025 | 10:25:23 | -0.01,-136.77 | -0.30,-135.47 | 147.64 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/3/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/03/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21