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: 10/31/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/31/2025 | 22:39:59 | 0.00,-137.04 | -0.44,-138.96 | 218.47 | 80 |
| 2 | 11/01/2025 | 22:23:53 | 0.00,-137.06 | 0.57,-134.42 | 300.33 | 80 |
| 3 | 11/03/2025 | 10:45:37 | -0.00,-137.07 | 0.61,-139.67 | 297.17 | 80 |
| 4 | 11/04/2025 | 10:24:11 | 0.00,-137.08 | -0.41,-135.13 | 221.11 | 80 |
| 5 | 11/05/2025 | 22:46:05 | -0.00,-137.09 | -0.76,-140.43 | 380.77 | 80 |
| 6 | 11/06/2025 | 22:29:58 | -0.00,-137.09 | 0.26,-135.89 | 136.93 | 80 |
| 7 | 11/08/2025 | 10:51:43 | 0.00,-137.09 | 0.91,-141.14 | 462.15 | 80 |
| 8 | 11/09/2025 | 10:30:16 | 0.01,-137.09 | -0.11,-136.61 | 55.03 | 80 |
| 9 | 11/11/2025 | 22:33:24 | 0.02,-137.08 | -0.02,-137.37 | 31.77 | 80 |
| 10 | 11/12/2025 | 22:17:17 | 0.02,-137.08 | 0.95,-132.81 | 485.48 | 80 |
| 11 | 11/14/2025 | 10:39:01 | -0.02,-137.07 | 0.21,-138.07 | 113.97 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/31/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/31/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21