Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/16/2025
| Index | Date | Time (GOES-17) | GOES-17 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/18/2025 | 19:24:24 | 0.24, -89.52 | 0.09, -90.18 | 74.74 | 80 |
| 2 | 09/19/2025 | 19:08:19 | 0.24, -89.53 | 1.09, -85.64 | 442.70 | 80 |
| 3 | 09/21/2025 | 07:30:06 | -0.24, -89.50 | 0.08, -90.91 | 160.63 | 80 |
| 4 | 09/22/2025 | 07:08:40 | -0.24, -89.51 | -0.92, -86.37 | 356.88 | 80 |
| 5 | 09/23/2025 | 19:30:36 | 0.24, -89.57 | -0.24, -91.68 | 240.56 | 80 |
| 6 | 09/24/2025 | 19:14:30 | 0.24, -89.58 | 0.77, -87.14 | 277.41 | 80 |
| 7 | 09/26/2025 | 07:36:17 | -0.23, -89.56 | 0.40, -92.41 | 324.82 | 80 |
| 8 | 09/27/2025 | 07:14:52 | -0.24, -89.57 | -0.61, -87.87 | 192.73 | 80 |
| 9 | 09/28/2025 | 19:36:47 | 0.23, -89.62 | -0.55, -93.18 | 405.17 | 80 |
| 10 | 09/29/2025 | 19:20:42 | 0.24, -89.63 | 0.46, -88.64 | 112.80 | 80 |
Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/16/2025
Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 09/16/2025 in txt file.
Historical Predications of SNOs between GOES-17 and NOAA-21