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: 9/17/2025
| 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, -89.51 | 0.11, -90.18 | 75.99 | 80 |
| 2 | 09/19/2025 | 19:08:19 | 0.24, -89.52 | 1.11, -85.65 | 441.13 | 80 |
| 3 | 09/21/2025 | 07:30:06 | -0.24, -89.48 | 0.06, -90.91 | 162.70 | 80 |
| 4 | 09/22/2025 | 07:08:41 | -0.24, -89.49 | -0.94, -86.38 | 354.47 | 80 |
| 5 | 09/23/2025 | 19:30:36 | 0.24, -89.54 | -0.22, -91.68 | 243.54 | 80 |
| 6 | 09/24/2025 | 19:14:30 | 0.24, -89.55 | 0.79, -87.15 | 274.09 | 80 |
| 7 | 09/26/2025 | 07:36:17 | -0.23, -89.52 | 0.44, -92.40 | 328.64 | 80 |
| 8 | 09/27/2025 | 07:14:52 | -0.24, -89.53 | -0.63, -87.88 | 188.58 | 80 |
| 9 | 09/28/2025 | 19:39:27 | 0.23, -89.58 | -0.59, -93.17 | 409.87 | 80 |
| 10 | 09/29/2025 | 19:18:02 | 0.24, -89.59 | 0.48, -88.65 | 107.78 | 80 |
| 11 | 10/01/2025 | 07:42:28 | -0.23, -89.57 | 0.74, -93.90 | 494.08 | 80 |
Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/17/2025
Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 09/17/2025 in txt file.
Historical Predications of SNOs between GOES-17 and NOAA-21