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: 9/21/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/22/2025 | 10:31:25 | -0.02,-136.99 | -0.04,-136.93 | 8.17 | 80 |
| 2 | 09/24/2025 | 22:34:35 | 0.02,-136.99 | -0.11,-137.69 | 79.02 | 80 |
| 3 | 09/25/2025 | 22:15:48 | 0.01,-136.99 | 0.84,-133.14 | 437.32 | 80 |
| 4 | 09/27/2025 | 10:40:16 | 0.00,-136.96 | 0.32,-138.41 | 165.30 | 80 |
| 5 | 09/28/2025 | 10:18:50 | -0.00,-136.95 | -0.70,-133.88 | 350.09 | 80 |
| 6 | 09/29/2025 | 22:43:25 | -0.00,-136.94 | -0.52,-139.17 | 254.88 | 80 |
| 7 | 09/30/2025 | 22:24:39 | 0.00,-136.92 | 0.50,-134.63 | 260.11 | 80 |
| 8 | 10/02/2025 | 10:46:26 | -0.00,-136.88 | 0.65,-139.91 | 343.88 | 80 |
| 9 | 10/03/2025 | 10:25:01 | -0.01,-136.86 | -0.37,-135.37 | 170.78 | 80 |
| 10 | 10/04/2025 | 22:46:55 | 0.00,-136.84 | -0.84,-140.66 | 435.22 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/21/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/21/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21