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: 4/7/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 04/07/2025 | 22:21:38 | -0.01,-136.98 | 0.54,-134.54 | 277.93 | 80 |
2 | 04/09/2025 | 10:46:03 | 0.01,-136.99 | 0.65,-139.80 | 320.33 | 80 |
3 | 04/10/2025 | 10:24:38 | 0.01,-137.00 | -0.40,-135.27 | 197.43 | 80 |
4 | 04/11/2025 | 22:49:11 | -0.01,-137.00 | -0.82,-140.56 | 405.21 | 80 |
5 | 04/12/2025 | 22:27:46 | -0.01,-137.01 | 0.23,-136.03 | 112.26 | 80 |
6 | 04/14/2025 | 10:52:11 | 0.01,-137.01 | 0.95,-141.29 | 487.04 | 80 |
7 | 04/15/2025 | 10:30:44 | 0.01,-137.01 | -0.05,-136.75 | 29.90 | 80 |
8 | 04/17/2025 | 22:36:31 | -0.01,-137.00 | -0.14,-137.50 | 57.49 | 80 |
9 | 04/18/2025 | 22:15:05 | -0.02,-136.99 | 0.87,-132.96 | 458.91 | 80 |
10 | 04/20/2025 | 10:39:30 | 0.02,-136.98 | 0.31,-138.22 | 142.05 | 80 |
11 | 04/21/2025 | 10:18:04 | 0.03,-136.96 | -0.71,-133.68 | 373.96 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/7/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/07/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21