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: 7/17/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/17/2025 | 22:31:14 | 0.01,-137.01 | 0.18,-136.24 | 87.99 | 80 |
| 2 | 07/20/2025 | 10:31:36 | -0.01,-136.99 | 0.01,-136.97 | 2.54 | 80 |
| 3 | 07/22/2025 | 22:34:49 | 0.01,-136.98 | -0.18,-137.75 | 88.30 | 80 |
| 4 | 07/23/2025 | 22:18:45 | 0.01,-136.97 | 0.83,-133.22 | 426.90 | 80 |
| 5 | 07/25/2025 | 10:40:33 | -0.01,-136.94 | 0.31,-138.50 | 176.61 | 80 |
| 6 | 07/26/2025 | 10:21:49 | -0.01,-136.93 | -0.70,-133.97 | 338.58 | 80 |
| 7 | 07/27/2025 | 22:41:05 | 0.01,-136.93 | -0.53,-139.27 | 266.83 | 80 |
| 8 | 07/28/2025 | 22:25:00 | 0.01,-136.92 | 0.48,-134.74 | 248.34 | 80 |
| 9 | 07/30/2025 | 10:44:09 | -0.01,-136.89 | 0.66,-140.01 | 355.48 | 80 |
| 10 | 07/31/2025 | 10:28:03 | -0.01,-136.87 | -0.29,-135.47 | 159.30 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/17/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/17/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21