Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 03/16/2025   22:37:10   (   0.01,-137.00) (  -0.13,-137.63)   72.47                80
 03/17/2025   22:18:25   (   0.02,-136.99) (   0.91,-133.11)  443.38                80
 03/19/2025   10:40:11   (  -0.02,-136.97) (   0.28,-138.37)  158.96                80
 03/20/2025   10:18:46   (  -0.02,-136.96) (  -0.71,-133.83)  356.39                80
 03/21/2025   22:40:42   (   0.02,-136.95) (  -0.46,-139.14)  249.41                80
 03/22/2025   22:24:37   (   0.01,-136.94) (   0.54,-134.60)  265.65                80
 03/24/2025   10:46:23   (  -0.00,-136.90) (   0.65,-139.87)  337.71                80
 03/25/2025   10:24:58   (   0.00,-136.88) (  -0.35,-135.33)  176.96                80
 03/26/2025   22:46:53   (  -0.00,-136.86) (  -0.85,-140.63)  429.82                80
 03/27/2025   22:30:47   (  -0.00,-136.84) (   0.16,-136.10)   84.63                80