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: 9/18/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/18/2025 | 22:47:09 | 0.02,-137.01 | -0.80,-140.73 | 423.89 | 80 |
| 2 | 09/19/2025 | 22:31:03 | 0.02,-137.01 | 0.20,-136.19 | 93.09 | 80 |
| 3 | 09/22/2025 | 10:31:25 | -0.01,-137.00 | -0.03,-136.92 | 8.50 | 80 |
| 4 | 09/24/2025 | 22:34:35 | 0.01,-137.00 | -0.12,-137.69 | 77.97 | 80 |
| 5 | 09/25/2025 | 22:18:29 | 0.00,-137.00 | 0.88,-133.15 | 438.40 | 80 |
| 6 | 09/27/2025 | 10:40:16 | 0.01,-136.97 | 0.34,-138.41 | 164.17 | 80 |
| 7 | 09/28/2025 | 10:18:50 | 0.01,-136.96 | -0.67,-133.88 | 351.29 | 80 |
| 8 | 09/29/2025 | 22:40:45 | -0.01,-136.95 | -0.49,-139.18 | 253.39 | 80 |
| 9 | 09/30/2025 | 22:24:40 | -0.00,-136.94 | 0.52,-134.64 | 261.72 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/18/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/18/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21