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: 9/14/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/14/2025 | 22:24:51 | 0.02,-137.00 | 0.51,-134.69 | 262.49 | 80 |
| 2 | 09/16/2025 | 10:46:38 | -0.02,-136.97 | 0.67,-139.96 | 341.04 | 80 |
| 3 | 09/17/2025 | 10:25:14 | -0.02,-136.96 | -0.39,-135.43 | 174.88 | 80 |
| 4 | 09/18/2025 | 22:47:08 | 0.02,-136.97 | -0.83,-140.72 | 427.95 | 80 |
| 5 | 09/19/2025 | 22:31:02 | 0.02,-136.96 | 0.17,-136.19 | 88.14 | 80 |
| 6 | 09/22/2025 | 10:31:24 | -0.02,-136.93 | 0.01,-136.92 | 2.90 | 80 |
| 7 | 09/24/2025 | 22:34:34 | 0.02,-136.92 | -0.16,-137.68 | 87.79 | 80 |
| 8 | 09/25/2025 | 22:18:29 | 0.02,-136.90 | 0.85,-133.15 | 427.45 | 80 |
| 9 | 09/27/2025 | 10:40:16 | -0.01,-136.86 | 0.32,-138.42 | 177.17 | 80 |
| 10 | 09/28/2025 | 10:18:50 | -0.01,-136.84 | -0.69,-133.88 | 337.47 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/14/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/14/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21