Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 7 13.  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)
 07/14/2024   08:05:19   (  -0.01,-104.71) (  -0.94,-100.58)  470.93                80
 07/15/2024   20:27:16   (   0.01,-104.72) (  -0.27,-105.88)  132.75                80
 07/16/2024   20:11:13   (   0.01,-104.72) (   0.78,-101.36)  383.75                80
 07/18/2024   08:33:01   (  -0.01,-104.71) (   0.40,-106.63)  217.36                80
 07/19/2024   08:11:37   (  -0.01,-104.71) (  -0.59,-102.09)  298.73                80
 07/20/2024   20:33:34   (   0.01,-104.71) (  -0.59,-107.39)  305.66                80
 07/21/2024   20:17:29   (   0.01,-104.71) (   0.40,-102.86)  210.56                80
 07/23/2024   08:39:18   (  -0.01,-104.70) (   0.77,-108.13)  390.44                80
 07/24/2024   08:17:53   (  -0.01,-104.70) (  -0.23,-103.59)  125.86                80
 07/25/2024   20:39:50   (   0.01,-104.70) (  -0.94,-108.90)  478.32                80
 07/26/2024   20:23:46   (   0.00,-104.70) (   0.07,-104.36)   38.27                80