Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 5 28.  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)
 05/28/2024   20:27:42   (   0.00,-104.70) (   0.00,-105.82)  124.56                 0
 05/29/2024   20:10:15   (  -0.01,-104.70) (   0.74,-101.24)  394.44                80
 05/31/2024   08:32:06   (   0.01,-104.71) (   0.39,-106.52)  206.71                80
 06/01/2024   08:10:43   (   0.01,-104.70) (  -0.59,-101.99)  309.21                80
 06/02/2024   20:32:42   (  -0.01,-104.70) (  -0.58,-107.31)  296.35                80
 06/03/2024   20:16:39   (  -0.00,-104.70) (   0.40,-102.77)  219.49                80
 06/05/2024   08:38:30   (  -0.01,-104.71) (   0.72,-108.06)  381.84                80
 06/06/2024   08:17:07   (  -0.01,-104.70) (  -0.27,-103.53)  133.86                80
 06/07/2024   20:39:05   (   0.01,-104.70) (  -0.95,-108.83)  472.07                80
 06/08/2024   20:23:02   (   0.00,-104.70) (   0.10,-104.31)   43.94                80
 06/11/2024   08:23:29   (   0.00,-104.70) (   0.08,-105.06)   40.41                80