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: 10/26/2025
| Index | Date | Time (GOES-17) | GOES-17 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/28/2025 | 07:35:32 | -0.16, -89.49 | 0.46, -92.18 | 307.45 | 80 |
| 2 | 10/29/2025 | 07:14:07 | -0.18, -89.49 | -0.61, -87.65 | 209.03 | 80 |
| 3 | 10/30/2025 | 19:38:40 | 0.15, -89.50 | -0.63, -92.94 | 391.67 | 80 |
| 4 | 10/31/2025 | 19:17:15 | 0.17, -89.51 | 0.44, -88.41 | 125.63 | 80 |
| 5 | 11/02/2025 | 07:41:38 | -0.13, -89.50 | 0.80, -93.65 | 472.90 | 80 |
| 6 | 11/03/2025 | 07:20:13 | -0.16, -89.50 | -0.27, -89.12 | 44.20 | 80 |
| 7 | 11/05/2025 | 19:25:59 | 0.13, -89.52 | 0.06, -89.87 | 39.18 | 80 |
| 8 | 11/06/2025 | 19:04:33 | 0.15, -89.53 | 1.08, -85.33 | 478.21 | 80 |
| 9 | 11/08/2025 | 07:28:56 | -0.11, -89.52 | 0.15, -90.57 | 119.96 | 80 |
| 10 | 11/09/2025 | 07:07:31 | -0.14, -89.52 | -0.93, -86.04 | 396.93 | 80 |
Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/26/2025
Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 10/26/2025 in txt file.
Historical Predications of SNOs between GOES-17 and NOAA-21