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: 7/20/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/22/2025 | 22:34:49 | 0.02,-136.98 | -0.17,-137.75 | 88.41 | 80 |
| 2 | 07/23/2025 | 22:18:45 | 0.03,-136.97 | 0.84,-133.22 | 426.79 | 80 |
| 3 | 07/25/2025 | 10:37:53 | -0.03,-136.94 | 0.30,-138.50 | 177.01 | 80 |
| 4 | 07/26/2025 | 10:21:49 | -0.03,-136.93 | -0.71,-133.97 | 338.17 | 80 |
| 5 | 07/27/2025 | 22:41:06 | 0.03,-136.93 | -0.47,-139.28 | 267.04 | 80 |
| 6 | 07/28/2025 | 22:25:02 | 0.03,-136.92 | 0.55,-134.75 | 248.15 | 80 |
| 7 | 07/30/2025 | 10:44:09 | -0.04,-136.89 | 0.66,-140.01 | 356.00 | 80 |
| 8 | 07/31/2025 | 10:28:04 | -0.04,-136.87 | -0.35,-135.48 | 158.74 | 80 |
| 9 | 08/01/2025 | 22:47:21 | 0.04,-136.86 | -0.86,-140.78 | 447.49 | 80 |
| 10 | 08/02/2025 | 22:31:16 | 0.04,-136.84 | 0.15,-136.25 | 66.82 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/20/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/20/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21