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: 7/16/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/16/2025 | 22:47:18 | 0.02,-137.01 | -0.82,-140.77 | 428.56 | 80 |
| 2 | 07/17/2025 | 22:31:14 | 0.02,-137.01 | 0.19,-136.24 | 87.64 | 80 |
| 3 | 07/20/2025 | 10:31:37 | -0.03,-136.99 | 0.00,-136.98 | 3.31 | 80 |
| 4 | 07/22/2025 | 22:34:50 | 0.04,-136.98 | -0.12,-137.77 | 89.53 | 80 |
| 5 | 07/23/2025 | 22:18:46 | 0.04,-136.97 | 0.89,-133.24 | 425.58 | 80 |
| 6 | 07/25/2025 | 10:37:53 | -0.04,-136.94 | 0.30,-138.50 | 177.82 | 80 |
| 7 | 07/26/2025 | 10:21:49 | -0.04,-136.93 | -0.70,-133.97 | 337.26 | 80 |
| 8 | 07/27/2025 | 22:41:06 | 0.05,-136.92 | -0.46,-139.28 | 268.63 | 80 |
| 9 | 07/28/2025 | 22:25:02 | 0.05,-136.91 | 0.55,-134.75 | 246.46 | 80 |
| 10 | 07/30/2025 | 10:44:09 | -0.05,-136.88 | 0.65,-140.01 | 357.25 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/16/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/16/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21