Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 6 2.  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)
 06/03/2025   08:33:14   (   0.01,-104.40) (   0.49,-106.64)  254.60                80
 06/04/2025   08:11:49   (   0.01,-104.40) (  -0.49,-102.10)  261.23                80
 06/05/2025   20:33:46   (  -0.01,-104.41) (  -0.70,-107.41)  342.53                80
 06/06/2025   20:17:43   (  -0.01,-104.41) (   0.33,-102.89)  173.79                80
 06/08/2025   08:39:31   (   0.01,-104.40) (   0.88,-108.15)  428.00                80
 06/09/2025   08:18:08   (   0.01,-104.40) (  -0.17,-103.63)   87.73                80
 06/11/2025   20:21:22   (  -0.01,-104.40) (   0.01,-104.42)    3.53                80
 06/14/2025   08:27:05   (   0.01,-104.39) (   0.19,-105.15)   87.21                80
 06/15/2025   08:05:42   (   0.01,-104.38) (  -0.86,-100.63)  428.28                80