Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 7.  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)
 05/08/2025   08:17:39   (  -0.01,-104.39) (  -0.23,-103.51)  100.81                80
 05/10/2025   20:23:33   (   0.01,-104.43) (   0.04,-104.29)   15.50                80
 05/13/2025   08:26:40   (  -0.03,-104.42) (   0.10,-105.05)   71.64                80
 05/14/2025   08:05:17   (  -0.03,-104.42) (  -0.91,-100.53)  444.29                80
 05/15/2025   20:27:14   (   0.03,-104.44) (  -0.28,-105.83)  158.28                80
 05/16/2025   20:11:10   (   0.03,-104.45) (   0.74,-101.31)  357.97                80
 05/18/2025   08:33:00   (  -0.04,-104.43) (   0.47,-106.58)  245.22                80
 05/19/2025   08:11:36   (  -0.03,-104.43) (  -0.55,-102.06)  270.79                80
 05/20/2025   20:33:33   (   0.04,-104.45) (  -0.63,-107.36)  332.30                80