Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/12/2025
| Index | Date | Time (GOES-17) | GOES-17 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/13/2025 | 20:27:03 | 0.03,-104.41 | -0.29,-105.77 | 155.90 | 80 |
| 2 | 04/14/2025 | 20:10:57 | 0.03,-104.41 | 0.71,-101.23 | 361.14 | 80 |
| 3 | 04/16/2025 | 08:32:42 | -0.02,-104.37 | 0.47,-106.49 | 242.15 | 80 |
| 4 | 04/17/2025 | 08:11:16 | -0.02,-104.37 | -0.54,-101.95 | 274.46 | 80 |
| 5 | 04/18/2025 | 20:33:10 | 0.02,-104.39 | -0.59,-107.26 | 326.09 | 80 |
| 6 | 04/19/2025 | 20:17:04 | 0.02,-104.39 | 0.42,-102.72 | 190.83 | 80 |
| 7 | 04/21/2025 | 08:38:48 | -0.01,-104.35 | 0.81,-107.97 | 412.16 | 80 |
| 8 | 04/22/2025 | 08:17:21 | -0.01,-104.35 | -0.20,-103.43 | 104.49 | 80 |
| 9 | 04/23/2025 | 20:39:15 | 0.00,-104.37 | -0.96,-108.72 | 496.25 | 80 |
| 10 | 04/24/2025 | 20:23:08 | 0.01,-104.37 | 0.06,-104.19 | 20.91 | 80 |
Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/12/2025
Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/12/2025 in txt file.
Historical Predications of SNOs between GOES-17 and NOAA-21