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: 6/20/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/20/2025 | 22:34:37 | -0.00,-137.01 | -0.17,-137.70 | 79.19 | 80 |
| 2 | 06/21/2025 | 22:18:33 | 0.00,-137.01 | 0.88,-133.18 | 436.50 | 80 |
| 3 | 06/23/2025 | 10:37:42 | -0.01,-136.99 | 0.29,-138.45 | 166.38 | 80 |
| 4 | 06/24/2025 | 10:21:37 | -0.01,-136.98 | -0.70,-133.92 | 348.92 | 80 |
| 5 | 06/25/2025 | 22:40:55 | 0.01,-136.97 | -0.50,-139.22 | 256.92 | 80 |
| 6 | 06/26/2025 | 22:24:50 | 0.01,-136.96 | 0.49,-134.69 | 258.28 | 80 |
| 7 | 06/28/2025 | 10:43:58 | -0.00,-136.94 | 0.67,-139.97 | 344.99 | 80 |
| 8 | 06/29/2025 | 10:27:54 | 0.00,-136.93 | -0.33,-135.43 | 170.19 | 80 |
| 9 | 06/30/2025 | 22:47:11 | -0.00,-136.92 | -0.88,-140.74 | 435.87 | 80 |
| 10 | 07/01/2025 | 22:31:07 | -0.01,-136.91 | 0.12,-136.21 | 79.21 | 80 |
| 11 | 07/04/2025 | 10:31:31 | 0.00,-136.86 | 0.04,-136.95 | 10.21 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/20/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 06/20/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21