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: 9/11/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/11/2025 | 10:40:27 | -0.02,-136.99 | 0.29,-138.47 | 167.80 | 80 |
| 2 | 09/12/2025 | 10:19:01 | -0.02,-136.99 | -0.71,-133.93 | 348.71 | 80 |
| 3 | 09/13/2025 | 22:40:57 | 0.03,-137.00 | -0.45,-139.24 | 254.18 | 80 |
| 4 | 09/14/2025 | 22:24:51 | 0.03,-137.00 | 0.54,-134.70 | 261.86 | 80 |
| 5 | 09/16/2025 | 10:46:39 | -0.03,-136.97 | 0.64,-139.96 | 341.20 | 80 |
| 6 | 09/17/2025 | 10:25:13 | -0.03,-136.96 | -0.36,-135.43 | 174.63 | 80 |
| 7 | 09/18/2025 | 22:47:08 | 0.03,-136.97 | -0.80,-140.73 | 428.84 | 80 |
| 8 | 09/19/2025 | 22:31:03 | 0.03,-136.96 | 0.20,-136.19 | 87.11 | 80 |
| 9 | 09/22/2025 | 10:34:05 | -0.03,-136.93 | -0.02,-136.92 | 1.32 | 80 |
| 10 | 09/24/2025 | 22:34:35 | 0.04,-136.91 | -0.13,-137.69 | 88.97 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/11/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/11/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21