Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2025   20:08:37   (   0.00,-102.31) (   0.27,-101.27)  119.22                80
 06/03/2025   08:33:09   (   0.00,-103.09) (   0.78,-106.57)  396.42                80
 06/04/2025   08:11:47   (  -0.00,-103.62) (  -0.37,-102.08)  176.31                80
 06/05/2025   20:36:27   (  -0.00,-104.44) (  -0.65,-107.42)  339.11                80
 06/06/2025   20:15:05   (   0.00,-104.97) (   0.45,-102.91)  233.83                80
 06/08/2025   08:39:37   (  -0.00,-105.76) (   0.52,-108.23)  281.57                80
 06/09/2025   08:18:15   (  -0.01,-106.28) (  -0.58,-103.72)  290.99                80
 06/10/2025   20:42:55   (   0.01,-107.10) (  -0.44,-109.07)  225.16                80
 06/11/2025   20:21:34   (   0.01,-107.62) (   0.72,-104.57)  347.49                80
 06/13/2025   08:46:05   (  -0.01,-108.40) (   0.30,-109.88)  168.18                80
 06/14/2025   08:24:42   (  -0.01,-108.92) (  -0.80,-105.38)  404.25                80