Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 31.  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)
 06/01/2025   20:11:24   (   0.00,-104.41) (   0.68,-101.36)  348.03                80
 06/03/2025   08:33:14   (   0.00,-104.40) (   0.49,-106.64)  254.25                80
 06/04/2025   08:11:49   (   0.00,-104.40) (  -0.49,-102.10)  261.77                80
 06/05/2025   20:33:47   (   0.00,-104.42) (  -0.65,-107.42)  341.77                80
 06/06/2025   20:17:43   (   0.00,-104.42) (   0.33,-102.89)  174.65                80
 06/08/2025   08:39:32   (  -0.00,-104.42) (   0.82,-108.17)  426.85                80
 06/09/2025   08:18:08   (  -0.00,-104.42) (  -0.17,-103.63)   89.05                80
 06/11/2025   20:24:02   (   0.00,-104.42) (   0.01,-104.42)    1.38                80
 06/14/2025   08:27:06   (  -0.00,-104.41) (   0.14,-105.16)   84.88                80