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: 4/23/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/23/2025 | 22:23:52 | -0.00,-137.00 | 0.59,-134.45 | 291.10 | 80 |
| 2 | 04/25/2025 | 10:43:02 | -0.00,-137.00 | 0.61,-139.73 | 310.62 | 80 |
| 3 | 04/26/2025 | 10:26:59 | 0.00,-137.00 | -0.38,-135.20 | 205.29 | 80 |
| 4 | 04/27/2025 | 22:46:17 | -0.00,-137.00 | -0.79,-140.51 | 399.81 | 80 |
| 5 | 04/28/2025 | 22:30:13 | -0.00,-137.00 | 0.21,-135.98 | 115.52 | 80 |
| 6 | 04/30/2025 | 10:52:04 | -0.00,-136.99 | 0.98,-141.26 | 487.87 | 80 |
| 7 | 05/01/2025 | 10:30:41 | -0.00,-136.98 | -0.08,-136.75 | 26.98 | 80 |
| 8 | 05/03/2025 | 22:33:55 | 0.01,-136.96 | -0.13,-137.52 | 65.01 | 80 |
| 9 | 05/04/2025 | 22:17:52 | 0.02,-136.95 | 0.88,-133.00 | 449.70 | 80 |
| 10 | 05/06/2025 | 10:39:42 | -0.02,-136.93 | 0.30,-138.28 | 154.16 | 80 |
| 11 | 05/07/2025 | 10:18:19 | -0.02,-136.92 | -0.71,-133.75 | 360.50 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/23/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/23/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21