Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2025   08:26:55   (  -0.01,-104.40) (   0.15,-105.11)   80.31                80
 05/30/2025   08:05:31   (  -0.01,-104.40) (  -0.88,-100.58)  435.28                80
 05/31/2025   20:27:28   (   0.00,-104.42) (  -0.32,-105.89)  167.87                80
 06/01/2025   20:11:25   (   0.00,-104.42) (   0.71,-101.37)  348.52                80
 06/03/2025   08:33:13   (  -0.00,-104.41) (   0.51,-106.63)  253.52                80
 06/04/2025   08:11:50   (  -0.00,-104.41) (  -0.52,-102.11)  262.71                80
 06/05/2025   20:33:47   (   0.00,-104.43) (  -0.68,-107.42)  340.50                80
 06/06/2025   20:17:44   (   0.00,-104.44) (   0.36,-102.89)  176.18                80
 06/08/2025   08:39:32   (   0.00,-104.44) (   0.86,-108.16)  424.93                80
 06/09/2025   08:18:08   (   0.01,-104.44) (  -0.18,-103.64)   91.25                80