Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 12.  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)
 03/14/2025   10:31:18   (  -0.00,-137.00) (  -0.03,-136.86)   16.00                80
 03/16/2025   22:37:10   (   0.00,-137.00) (  -0.14,-137.63)   72.47                80
 03/17/2025   22:15:45   (   0.01,-136.99) (   0.90,-133.11)  443.45                80
 03/19/2025   10:40:11   (  -0.01,-136.98) (   0.30,-138.37)  158.33                80
 03/20/2025   10:18:46   (  -0.01,-136.97) (  -0.69,-133.83)  357.08                80
 03/21/2025   22:40:42   (   0.01,-136.95) (  -0.49,-139.14)  249.11                80
 03/22/2025   22:24:37   (   0.00,-136.94) (   0.50,-134.60)  265.96                80
 03/24/2025   10:46:24   (   0.00,-136.91) (   0.64,-139.88)  337.16                80
 03/25/2025   10:24:59   (   0.00,-136.89) (  -0.36,-135.34)  177.47                80