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: 8/17/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/17/2025 | 22:47:21 | 0.01,-136.99 | -0.82,-140.78 | 431.92 | 80 |
| 2 | 08/18/2025 | 22:31:15 | 0.02,-136.98 | 0.15,-136.24 | 83.41 | 80 |
| 3 | 08/21/2025 | 10:34:19 | -0.02,-136.93 | -0.03,-136.99 | 6.62 | 80 |
| 4 | 08/23/2025 | 22:34:50 | 0.02,-136.92 | -0.15,-137.76 | 94.94 | 80 |
| 5 | 08/24/2025 | 22:18:44 | 0.01,-136.91 | 0.83,-133.22 | 420.32 | 80 |
| 6 | 08/26/2025 | 10:40:33 | -0.01,-136.87 | 0.32,-138.49 | 184.35 | 80 |
| 7 | 08/27/2025 | 10:19:07 | -0.02,-136.86 | -0.65,-133.95 | 330.47 | 80 |
| 8 | 08/28/2025 | 22:41:02 | 0.02,-136.85 | -0.55,-139.25 | 274.87 | 80 |
| 9 | 08/29/2025 | 22:24:58 | 0.02,-136.83 | 0.49,-134.73 | 239.49 | 80 |
| 10 | 08/31/2025 | 10:46:45 | -0.02,-136.78 | 0.73,-139.99 | 366.62 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/17/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/17/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21