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: 8/16/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/17/2025 | 22:47:20 | 0.01,-136.99 | -0.84,-140.78 | 431.66 | 80 |
| 2 | 08/18/2025 | 22:31:16 | 0.00,-136.98 | 0.19,-136.25 | 83.82 | 80 |
| 3 | 08/21/2025 | 10:34:18 | 0.00,-136.94 | -0.01,-136.99 | 5.57 | 80 |
| 4 | 08/23/2025 | 22:34:49 | -0.01,-136.93 | -0.17,-137.75 | 93.90 | 80 |
| 5 | 08/24/2025 | 22:18:44 | -0.01,-136.91 | 0.81,-133.21 | 421.38 | 80 |
| 6 | 08/26/2025 | 10:40:32 | 0.01,-136.88 | 0.35,-138.49 | 183.06 | 80 |
| 7 | 08/27/2025 | 10:19:07 | 0.01,-136.87 | -0.62,-133.95 | 331.80 | 80 |
| 8 | 08/28/2025 | 22:41:03 | -0.01,-136.85 | -0.51,-139.26 | 273.44 | 80 |
| 9 | 08/29/2025 | 22:24:58 | -0.01,-136.84 | 0.46,-134.72 | 241.03 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/16/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/16/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21