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: 4/28/2026
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/29/2026 | 10:25:50 | 0.00,-137.01 | -0.42,-135.20 | 205.70 | 80 |
| 2 | 04/30/2026 | 22:47:45 | -0.00,-137.02 | -0.78,-140.51 | 397.40 | 80 |
| 3 | 05/01/2026 | 22:31:40 | -0.00,-137.02 | 0.21,-135.97 | 119.18 | 80 |
| 4 | 05/03/2026 | 10:53:28 | -0.00,-137.01 | 0.92,-141.26 | 482.77 | 80 |
| 5 | 05/04/2026 | 10:32:03 | -0.00,-137.01 | -0.07,-136.72 | 33.11 | 80 |
| 6 | 05/06/2026 | 22:35:13 | 0.02,-137.00 | -0.12,-137.49 | 56.19 | 80 |
| 7 | 05/07/2026 | 22:19:08 | 0.02,-136.99 | 0.93,-132.97 | 459.40 | 80 |
| 8 | 05/09/2026 | 10:40:55 | -0.02,-136.97 | 0.26,-138.24 | 143.78 | 80 |
| 9 | 05/10/2026 | 10:19:30 | -0.01,-136.96 | -0.73,-133.70 | 371.51 | 80 |
| 10 | 05/11/2026 | 22:41:25 | 0.02,-136.95 | -0.43,-139.01 | 234.18 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/28/2026
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/28/2026 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21