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: 5/19/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/19/2025 | 22:34:13 | 0.01,-137.00 | -0.12,-137.60 | 69.03 | 80 |
| 2 | 05/20/2025 | 22:18:10 | 0.00,-137.00 | 0.90,-133.08 | 447.58 | 80 |
| 3 | 05/22/2025 | 10:37:19 | 0.00,-137.00 | 0.30,-138.35 | 153.90 | 80 |
| 4 | 05/23/2025 | 10:21:15 | -0.01,-137.00 | -0.73,-133.83 | 361.92 | 80 |
| 5 | 05/24/2025 | 22:40:33 | 0.02,-137.00 | -0.47,-139.14 | 243.38 | 80 |
| 6 | 05/25/2025 | 22:24:29 | 0.02,-137.00 | 0.56,-134.61 | 272.06 | 80 |
| 7 | 05/27/2025 | 10:43:39 | -0.02,-136.98 | 0.63,-139.89 | 330.97 | 80 |
| 8 | 05/28/2025 | 10:27:35 | -0.02,-136.97 | -0.41,-135.36 | 184.06 | 80 |
| 9 | 05/29/2025 | 22:46:51 | 0.01,-136.96 | -0.84,-140.66 | 422.44 | 80 |
| 10 | 05/30/2025 | 22:30:48 | 0.01,-136.95 | 0.19,-136.13 | 92.45 | 80 |
| 11 | 06/02/2025 | 10:31:13 | -0.00,-136.91 | 0.01,-136.88 | 4.28 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/19/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 05/19/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21