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: 9/20/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/22/2025 | 10:31:24 | -0.02,-136.99 | -0.00,-136.92 | 8.77 | 80 |
| 2 | 09/24/2025 | 22:34:34 | 0.02,-137.00 | -0.15,-137.68 | 78.87 | 80 |
| 3 | 09/25/2025 | 22:15:49 | 0.01,-136.99 | 0.86,-133.15 | 437.57 | 80 |
| 4 | 09/27/2025 | 10:40:16 | 0.00,-136.96 | 0.30,-138.42 | 165.10 | 80 |
| 5 | 09/28/2025 | 10:18:51 | 0.00,-136.95 | -0.71,-133.88 | 350.34 | 80 |
| 6 | 09/29/2025 | 22:40:45 | -0.00,-136.94 | -0.50,-139.17 | 254.53 | 80 |
| 7 | 09/30/2025 | 22:24:39 | -0.00,-136.92 | 0.51,-134.64 | 260.47 | 80 |
| 8 | 10/02/2025 | 10:46:26 | 0.00,-136.89 | 0.70,-139.90 | 343.55 | 80 |
| 9 | 10/03/2025 | 10:25:00 | -0.00,-136.87 | -0.32,-135.36 | 171.12 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/20/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21