Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 4 27.  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)
 04/27/2024   20:10:26   (  -0.00,-104.70) (   0.75,-101.36)  379.94                80
 04/29/2024   08:32:14   (   0.00,-104.70) (   0.41,-106.63)  219.43                80
 04/30/2024   08:10:48   (   0.00,-104.70) (  -0.59,-102.09)  297.08                80
 05/01/2024   20:32:44   (  -0.00,-104.68) (  -0.59,-107.39)  307.80                80
 05/02/2024   20:16:38   (  -0.00,-104.68) (   0.42,-102.85)  209.04                80
 05/04/2024   08:38:24   (   0.00,-104.69) (   0.78,-108.11)  389.63                80
 05/05/2024   08:16:59   (   0.00,-104.69) (  -0.23,-103.57)  127.31                80
 05/06/2024   20:38:54   (   0.00,-104.68) (  -0.91,-108.87)  477.26                80
 05/07/2024   20:22:48   (   0.00,-104.68) (   0.05,-104.32)   39.83                80
 05/10/2024   08:25:49   (  -0.01,-104.69) (   0.10,-105.05)   42.31                80