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: 9/23/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/24/2025 | 22:34:35 | 0.02,-137.01 | -0.10,-137.69 | 77.05 | 80 |
| 2 | 09/25/2025 | 22:18:29 | 0.02,-137.01 | 0.91,-133.16 | 439.59 | 80 |
| 3 | 09/27/2025 | 10:40:16 | -0.02,-136.99 | 0.30,-138.42 | 161.89 | 80 |
| 4 | 09/28/2025 | 10:18:50 | -0.02,-136.99 | -0.72,-133.88 | 354.15 | 80 |
| 5 | 09/29/2025 | 22:43:25 | 0.01,-136.98 | -0.49,-139.17 | 250.14 | 80 |
| 6 | 09/30/2025 | 22:21:59 | 0.02,-136.97 | 0.53,-134.64 | 265.46 | 80 |
| 7 | 10/02/2025 | 10:46:25 | -0.01,-136.94 | 0.66,-139.90 | 337.25 | 80 |
| 8 | 10/03/2025 | 10:25:00 | -0.02,-136.93 | -0.36,-135.37 | 178.03 | 80 |
| 9 | 10/04/2025 | 22:49:34 | 0.02,-136.91 | -0.83,-140.66 | 427.26 | 80 |
| 10 | 10/05/2025 | 22:28:09 | 0.02,-136.90 | 0.20,-136.13 | 87.90 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/23/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/23/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21