Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 30.  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)
 05/31/2025   20:27:28   (   0.01,-104.41) (  -0.32,-105.89)  168.27                80
 06/01/2025   20:11:25   (   0.01,-104.42) (   0.71,-101.37)  347.99                80
 06/03/2025   08:33:13   (  -0.01,-104.41) (   0.51,-106.63)  254.22                80
 06/04/2025   08:11:50   (  -0.01,-104.41) (  -0.52,-102.11)  261.87                80
 06/05/2025   20:33:47   (   0.00,-104.42) (  -0.67,-107.42)  341.49                80
 06/06/2025   20:17:44   (   0.00,-104.43) (   0.37,-102.89)  175.04                80
 06/08/2025   08:39:32   (  -0.00,-104.42) (   0.84,-108.16)  426.31                80
 06/09/2025   08:18:08   (  -0.00,-104.42) (  -0.20,-103.64)   89.70                80
 06/11/2025   20:24:01   (  -0.01,-104.43) (  -0.01,-104.41)    1.82                80