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: 7/20/2025
| Index | Date | Time (GOES-17) | GOES-17 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/21/2025 | 19:30:48 | 0.08, -89.52 | -0.38, -91.71 | 249.00 | 80 |
| 2 | 07/22/2025 | 19:14:43 | 0.08, -89.52 | 0.63, -87.18 | 267.32 | 80 |
| 3 | 07/24/2025 | 07:33:50 | -0.09, -89.49 | 0.57, -92.45 | 337.48 | 80 |
| 4 | 07/25/2025 | 07:17:46 | -0.09, -89.49 | -0.44, -87.92 | 179.35 | 80 |
| 5 | 07/26/2025 | 19:37:03 | 0.10, -89.54 | -0.74, -93.23 | 420.26 | 80 |
| 6 | 07/27/2025 | 19:20:59 | 0.09, -89.55 | 0.27, -88.70 | 97.10 | 80 |
| 7 | 07/30/2025 | 07:24:03 | -0.10, -89.54 | -0.14, -89.44 | 11.65 | 80 |
| 8 | 08/01/2025 | 19:24:35 | 0.10, -89.61 | -0.00, -90.22 | 69.52 | 80 |
| 9 | 08/02/2025 | 19:08:31 | 0.10, -89.62 | 1.01, -85.69 | 448.27 | 80 |
Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/20/2025
Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/20/2025 in txt file.
Historical Predications of SNOs between GOES-17 and NOAA-21