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: 7/24/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/25/2025 | 10:40:33 | -0.02,-137.00 | 0.32,-138.49 | 171.06 | 80 |
| 2 | 07/26/2025 | 10:19:08 | -0.02,-137.00 | -0.69,-133.96 | 345.25 | 80 |
| 3 | 07/27/2025 | 22:41:06 | 0.02,-137.00 | -0.48,-139.27 | 258.53 | 80 |
| 4 | 07/28/2025 | 22:25:01 | 0.02,-137.00 | 0.53,-134.74 | 257.71 | 80 |
| 5 | 07/30/2025 | 10:46:48 | -0.02,-136.99 | 0.67,-140.01 | 344.24 | 80 |
| 6 | 07/31/2025 | 10:25:24 | -0.02,-136.99 | -0.34,-135.48 | 171.57 | 80 |
| 7 | 08/01/2025 | 22:47:21 | 0.02,-136.98 | -0.81,-140.79 | 433.28 | 80 |
| 8 | 08/02/2025 | 22:31:17 | 0.02,-136.98 | 0.21,-136.26 | 82.10 | 80 |
| 9 | 08/05/2025 | 10:34:20 | -0.02,-136.93 | -0.02,-136.99 | 6.72 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/24/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/24/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21