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: 7/22/2025
| 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 | 0.03,-137.01 | -0.13,-137.76 | 85.99 | 80 |
| 2 | 07/23/2025 | 22:18:46 | 0.03,-137.01 | 0.88,-133.23 | 430.29 | 80 |
| 3 | 07/25/2025 | 10:37:53 | -0.04,-137.00 | 0.32,-138.50 | 171.43 | 80 |
| 4 | 07/26/2025 | 10:21:48 | -0.04,-137.00 | -0.69,-133.97 | 344.89 | 80 |
| 5 | 07/27/2025 | 22:41:06 | 0.04,-137.01 | -0.48,-139.28 | 258.92 | 80 |
| 6 | 07/28/2025 | 22:25:01 | 0.04,-137.01 | 0.53,-134.75 | 257.37 | 80 |
| 7 | 07/30/2025 | 10:44:09 | -0.04,-136.99 | 0.61,-140.02 | 344.71 | 80 |
| 8 | 07/31/2025 | 10:28:05 | -0.04,-136.99 | -0.41,-135.49 | 171.21 | 80 |
| 9 | 08/01/2025 | 22:47:21 | 0.05,-136.99 | -0.81,-140.79 | 433.63 | 80 |
| 10 | 08/02/2025 | 22:31:17 | 0.05,-136.98 | 0.21,-136.26 | 81.75 | 80 |
| 11 | 08/05/2025 | 10:31:40 | -0.06,-136.94 | -0.02,-137.00 | 7.65 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/22/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/22/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21