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: 4/16/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/17/2025 | 22:33:52 | 0.00,-137.00 | -0.09,-137.51 | 57.54 | 80 |
| 2 | 04/18/2025 | 22:17:45 | 0.00,-136.99 | 0.93,-132.97 | 459.15 | 80 |
| 3 | 04/20/2025 | 10:39:30 | -0.00,-136.98 | 0.30,-138.22 | 142.17 | 80 |
| 4 | 04/21/2025 | 10:18:03 | 0.00,-136.97 | -0.72,-133.68 | 374.10 | 80 |
| 5 | 04/22/2025 | 22:39:57 | 0.00,-136.96 | -0.43,-138.98 | 229.97 | 80 |
| 6 | 04/23/2025 | 22:23:49 | 0.00,-136.95 | 0.54,-134.43 | 286.17 | 80 |
| 7 | 04/25/2025 | 10:45:34 | -0.00,-136.92 | 0.61,-139.69 | 315.89 | 80 |
| 8 | 04/26/2025 | 10:26:47 | -0.00,-136.90 | -0.37,-135.15 | 199.91 | 80 |
| 9 | 04/27/2025 | 22:45:59 | 0.00,-136.88 | -0.82,-140.43 | 405.17 | 80 |
| 10 | 04/28/2025 | 22:29:53 | -0.00,-136.86 | 0.23,-135.90 | 110.12 | 80 |
| 11 | 04/30/2025 | 10:48:57 | 0.00,-136.82 | 0.97,-141.15 | 493.42 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/16/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/16/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21