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: 7/19/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/20/2025 | 10:33:51 | -0.00,-136.99 | 0.02,-136.97 | 3.39 | 55 |
| 2 | 07/22/2025 | 22:34:49 | -0.01,-136.98 | -0.20,-137.75 | 87.65 | 80 |
| 3 | 07/23/2025 | 22:18:44 | -0.01,-136.97 | 0.81,-133.22 | 427.69 | 80 |
| 4 | 07/25/2025 | 10:40:32 | 0.02,-136.94 | 0.39,-138.48 | 175.78 | 80 |
| 5 | 07/26/2025 | 10:19:07 | 0.02,-136.93 | -0.62,-133.95 | 339.45 | 80 |
| 6 | 07/27/2025 | 22:41:05 | -0.02,-136.93 | -0.55,-139.26 | 265.64 | 80 |
| 7 | 07/28/2025 | 22:25:00 | -0.02,-136.92 | 0.47,-134.73 | 249.50 | 80 |
| 8 | 07/30/2025 | 10:46:47 | 0.03,-136.89 | 0.74,-140.00 | 354.37 | 80 |
| 9 | 07/31/2025 | 10:25:23 | 0.03,-136.88 | -0.28,-135.46 | 160.38 | 80 |
| 10 | 08/01/2025 | 22:47:20 | -0.03,-136.86 | -0.88,-140.78 | 445.66 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/19/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/19/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21