Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/21/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/22/2025 | 22:34:50 | 0.04,-136.99 | -0.12,-137.76 | 87.65 | 80 |
| 2 | 07/23/2025 | 22:18:46 | 0.04,-136.99 | 0.89,-133.23 | 428.68 | 80 |
| 3 | 07/25/2025 | 10:37:53 | -0.05,-136.98 | 0.31,-138.50 | 173.07 | 80 |
| 4 | 07/26/2025 | 10:21:49 | -0.05,-136.98 | -0.70,-133.97 | 343.29 | 80 |
| 5 | 07/27/2025 | 22:41:06 | 0.05,-137.00 | -0.47,-139.28 | 260.33 | 80 |
| 6 | 07/28/2025 | 22:25:01 | 0.05,-137.00 | 0.54,-134.75 | 255.99 | 80 |
| 7 | 07/30/2025 | 10:44:10 | -0.05,-136.98 | 0.60,-140.03 | 346.12 | 80 |
| 8 | 07/31/2025 | 10:28:05 | -0.05,-136.98 | -0.41,-135.49 | 169.82 | 80 |
| 9 | 08/01/2025 | 22:47:22 | 0.06,-136.98 | -0.80,-140.79 | 434.85 | 80 |
| 10 | 08/02/2025 | 22:31:17 | 0.06,-136.97 | 0.21,-136.26 | 80.56 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/21/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/21/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21