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: 3/20/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 03/21/2025 | 22:40:42 | 0.02,-137.00 | -0.46,-139.14 | 244.04 | 80 |
| 2 | 03/22/2025 | 22:24:36 | 0.01,-136.99 | 0.54,-134.60 | 271.97 | 80 |
| 3 | 03/24/2025 | 10:46:22 | 0.01,-136.96 | 0.68,-139.86 | 330.31 | 80 |
| 4 | 03/25/2025 | 10:24:56 | 0.01,-136.95 | -0.33,-135.32 | 185.08 | 80 |
| 5 | 03/26/2025 | 22:46:53 | -0.01,-136.95 | -0.81,-140.64 | 420.02 | 80 |
| 6 | 03/27/2025 | 22:30:47 | -0.00,-136.93 | 0.21,-136.10 | 95.33 | 80 |
| 7 | 03/30/2025 | 10:31:07 | -0.00,-136.88 | -0.02,-136.83 | 6.70 | 80 |
| 8 | 04/01/2025 | 22:34:16 | 0.02,-136.84 | -0.16,-137.59 | 85.35 | 80 |
| 9 | 04/02/2025 | 22:18:10 | 0.02,-136.82 | 0.88,-133.06 | 428.81 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/20/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 03/20/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21