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: 10/5/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 10/05/2025 | 22:30:48 | 0.01,-137.04 | 0.19,-136.12 | 103.94 | 80 |
2 | 10/07/2025 | 10:52:35 | -0.01,-137.03 | 0.97,-141.38 | 496.70 | 80 |
3 | 10/08/2025 | 10:31:09 | -0.01,-137.03 | -0.07,-136.85 | 20.34 | 80 |
4 | 10/10/2025 | 22:34:17 | 0.02,-137.03 | -0.14,-137.60 | 66.44 | 80 |
5 | 10/11/2025 | 22:18:12 | 0.02,-137.02 | 0.91,-133.07 | 449.67 | 80 |
6 | 10/13/2025 | 10:39:57 | -0.03,-136.99 | 0.29,-138.33 | 152.91 | 80 |
7 | 10/14/2025 | 10:18:31 | -0.03,-136.98 | -0.76,-133.80 | 362.91 | 80 |
8 | 10/15/2025 | 22:40:26 | 0.04,-136.97 | -0.42,-139.09 | 241.24 | 80 |
9 | 10/16/2025 | 22:24:19 | 0.04,-136.96 | 0.57,-134.55 | 274.74 | 80 |
10 | 10/18/2025 | 10:46:04 | -0.04,-136.94 | 0.61,-139.81 | 327.51 | 80 |
11 | 10/19/2025 | 10:24:38 | -0.04,-136.92 | -0.39,-135.27 | 188.29 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/5/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 10/05/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21