Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 5 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)
 05/13/2024   20:10:14   (  -0.00,-104.69) (   0.75,-101.28)  389.04                80
 05/15/2024   08:29:21   (   0.01,-104.70) (   0.41,-106.54)  209.18                80
 05/16/2024   08:13:14   (   0.01,-104.70) (  -0.57,-101.99)  308.25                80
 05/17/2024   20:32:28   (  -0.01,-104.69) (  -0.61,-107.28)  295.54                80
 05/18/2024   20:16:23   (  -0.01,-104.70) (   0.44,-102.75)  222.05                80
 05/20/2024   08:35:28   (   0.01,-104.71) (   0.75,-108.01)  375.83                80
 05/21/2024   08:19:22   (   0.00,-104.71) (  -0.25,-103.46)  141.63                80
 05/22/2024   20:38:36   (   0.01,-104.70) (  -0.90,-108.76)  462.50                80
 05/23/2024   20:22:30   (   0.01,-104.70) (   0.11,-104.22)   54.84                80
 05/26/2024   08:22:48   (  -0.01,-104.70) (   0.03,-104.94)   26.22                80