Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 7 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)
 07/08/2024   08:17:44   (   0.00,-104.70) (  -0.23,-103.59)  126.13                80
 07/09/2024   20:39:42   (   0.00,-104.72) (  -0.94,-108.90)  476.88                80
 07/10/2024   20:23:38   (   0.00,-104.72) (   0.10,-104.38)   40.08                80
 07/13/2024   08:26:43   (  -0.01,-104.73) (   0.06,-105.12)   43.37                80
 07/14/2024   08:05:19   (  -0.01,-104.74) (  -0.92,-100.58)  473.58                80
 07/15/2024   20:27:17   (   0.01,-104.75) (  -0.23,-105.89)  129.26                80
 07/16/2024   20:11:13   (   0.01,-104.76) (   0.76,-101.36)  387.60                80
 07/18/2024   08:33:01   (  -0.01,-104.76) (   0.43,-106.62)  213.18                80
 07/19/2024   08:11:38   (  -0.01,-104.76) (  -0.61,-102.10)  303.28                80
 07/20/2024   20:33:35   (   0.02,-104.77) (  -0.59,-107.40)  300.41                80