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: 10/6/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 10/07/2025 | 10:52:34 | -0.01,-137.04 | 0.98,-141.38 | 495.69 | 80 |
2 | 10/08/2025 | 10:31:09 | -0.01,-137.04 | -0.06,-136.85 | 21.76 | 80 |
3 | 10/10/2025 | 22:34:18 | 0.01,-137.05 | -0.09,-137.61 | 63.64 | 80 |
4 | 10/11/2025 | 22:18:11 | 0.02,-137.05 | 0.89,-133.07 | 452.98 | 80 |
5 | 10/13/2025 | 10:39:58 | -0.02,-137.03 | 0.24,-138.34 | 148.87 | 80 |
6 | 10/14/2025 | 10:18:31 | -0.03,-137.02 | -0.74,-133.79 | 367.45 | 80 |
7 | 10/15/2025 | 22:40:25 | 0.03,-137.02 | -0.44,-139.09 | 235.87 | 80 |
8 | 10/16/2025 | 22:24:20 | 0.03,-137.02 | 0.61,-134.56 | 280.62 | 80 |
9 | 10/18/2025 | 10:46:05 | -0.03,-137.00 | 0.57,-139.82 | 320.91 | 80 |
10 | 10/19/2025 | 10:24:39 | -0.03,-136.99 | -0.43,-135.28 | 195.40 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/6/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/06/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21