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: 8/11/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 08/12/2025 | 22:41:06 | -0.01,-137.01 | -0.50,-139.27 | 257.44 | 80 |
2 | 08/13/2025 | 22:25:00 | -0.01,-137.01 | 0.47,-134.73 | 259.05 | 80 |
3 | 08/15/2025 | 10:46:49 | 0.02,-137.00 | 0.68,-140.01 | 342.75 | 80 |
4 | 08/16/2025 | 10:25:24 | 0.02,-136.99 | -0.35,-135.48 | 173.08 | 80 |
5 | 08/17/2025 | 22:47:20 | -0.02,-136.99 | -0.88,-140.77 | 431.73 | 80 |
6 | 08/18/2025 | 22:31:15 | -0.03,-136.98 | 0.15,-136.24 | 83.72 | 80 |
7 | 08/21/2025 | 10:34:18 | 0.04,-136.94 | 0.03,-136.98 | 4.31 | 80 |
8 | 08/23/2025 | 22:34:49 | -0.04,-136.92 | -0.21,-137.75 | 94.09 | 80 |
9 | 08/24/2025 | 22:16:03 | -0.04,-136.91 | 0.77,-133.21 | 421.12 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/11/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/11/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21