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: 9/13/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/13/2025 | 22:40:57 | 0.02,-137.00 | -0.46,-139.23 | 253.86 | 80 |
| 2 | 09/14/2025 | 22:24:51 | 0.02,-137.00 | 0.54,-134.70 | 262.19 | 80 |
| 3 | 09/16/2025 | 10:46:38 | -0.02,-136.97 | 0.65,-139.96 | 341.15 | 80 |
| 4 | 09/17/2025 | 10:25:13 | -0.02,-136.96 | -0.35,-135.42 | 174.69 | 80 |
| 5 | 09/18/2025 | 22:47:08 | 0.02,-136.97 | -0.81,-140.73 | 428.53 | 80 |
| 6 | 09/19/2025 | 22:31:03 | 0.02,-136.96 | 0.19,-136.19 | 87.44 | 80 |
| 7 | 09/22/2025 | 10:31:25 | -0.02,-136.92 | -0.02,-136.92 | 0.10 | 80 |
| 8 | 09/24/2025 | 22:34:34 | 0.02,-136.91 | -0.14,-137.69 | 88.84 | 80 |
| 9 | 09/25/2025 | 22:18:29 | 0.02,-136.89 | 0.87,-133.15 | 426.27 | 80 |
| 10 | 09/27/2025 | 10:40:15 | -0.01,-136.85 | 0.36,-138.41 | 178.13 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/13/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/13/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21