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: 12/3/2025
| Index | Date | Time (GOES-17) | GOES-17 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 12/04/2025 | 07:42:26 | 0.10, -89.51 | 1.08, -93.76 | 484.85 | 80 |
| 2 | 12/05/2025 | 07:21:05 | 0.07, -89.50 | -0.02, -89.25 | 29.81 | 80 |
| 3 | 12/07/2025 | 19:27:00 | -0.10, -89.49 | -0.23, -90.02 | 60.48 | 80 |
| 4 | 12/08/2025 | 19:05:37 | -0.06, -89.50 | 0.82, -85.50 | 455.10 | 80 |
| 5 | 12/10/2025 | 07:30:06 | 0.12, -89.52 | 0.40, -90.77 | 142.79 | 80 |
| 6 | 12/11/2025 | 07:08:44 | 0.09, -89.52 | -0.65, -86.25 | 372.67 | 80 |
| 7 | 12/12/2025 | 19:33:21 | -0.14, -89.52 | -0.61, -91.54 | 231.34 | 80 |
| 8 | 12/13/2025 | 19:11:59 | -0.11, -89.53 | 0.44, -87.03 | 285.18 | 80 |
| 9 | 12/15/2025 | 07:36:28 | 0.17, -89.57 | 0.77, -92.29 | 310.71 | 80 |
| 10 | 12/16/2025 | 07:15:05 | 0.14, -89.57 | -0.23, -87.77 | 205.33 | 80 |
| 11 | 12/17/2025 | 19:39:42 | -0.20, -89.57 | -1.01, -93.06 | 399.01 | 80 |
Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/3/2025
Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 12/03/2025 in txt file.
Historical Predications of SNOs between GOES-17 and NOAA-21