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: 8/13/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/13/2025 | 22:25:00 | -0.01,-137.01 | 0.48,-134.73 | 259.35 | 80 |
| 2 | 08/15/2025 | 10:46:49 | 0.01,-137.00 | 0.67,-140.01 | 342.87 | 80 |
| 3 | 08/16/2025 | 10:25:23 | 0.01,-136.99 | -0.30,-135.47 | 173.03 | 80 |
| 4 | 08/17/2025 | 22:47:20 | -0.02,-136.99 | -0.87,-140.77 | 431.19 | 80 |
| 5 | 08/18/2025 | 22:31:15 | -0.02,-136.98 | 0.16,-136.25 | 84.34 | 80 |
| 6 | 08/21/2025 | 10:31:38 | 0.03,-136.94 | 0.02,-136.98 | 4.29 | 80 |
| 7 | 08/23/2025 | 22:34:49 | -0.04,-136.93 | -0.20,-137.75 | 93.14 | 80 |
| 8 | 08/24/2025 | 22:18:43 | -0.03,-136.92 | 0.78,-133.21 | 422.16 | 80 |
| 9 | 08/26/2025 | 10:40:32 | 0.04,-136.89 | 0.38,-138.48 | 181.68 | 80 |
| 10 | 08/27/2025 | 10:19:06 | 0.04,-136.87 | -0.60,-133.94 | 333.21 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/13/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/13/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21