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: 9/15/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/16/2025 | 10:46:38 | -0.02,-136.99 | 0.67,-139.96 | 338.87 | 80 |
| 2 | 09/17/2025 | 10:25:14 | -0.02,-136.99 | -0.39,-135.43 | 178.08 | 80 |
| 3 | 09/18/2025 | 22:47:08 | 0.02,-137.01 | -0.83,-140.72 | 423.77 | 80 |
| 4 | 09/19/2025 | 22:31:03 | 0.02,-137.01 | 0.23,-136.20 | 93.32 | 80 |
| 5 | 09/22/2025 | 10:31:25 | -0.02,-137.00 | -0.06,-136.93 | 9.14 | 80 |
| 6 | 09/24/2025 | 22:34:34 | 0.02,-137.01 | -0.15,-137.68 | 77.39 | 80 |
| 7 | 09/25/2025 | 22:18:30 | 0.02,-137.01 | 0.91,-133.16 | 438.94 | 80 |
| 8 | 09/27/2025 | 10:40:16 | -0.02,-136.98 | 0.31,-138.42 | 163.56 | 80 |
| 9 | 09/28/2025 | 10:18:50 | -0.02,-136.97 | -0.70,-133.88 | 352.11 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/15/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/15/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21