Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 4 10.  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)
 04/10/2024   20:26:32   (   0.00,-104.67) (  -0.25,-105.94)  143.32                80
 04/11/2024   20:10:28   (  -0.00,-104.68) (   0.75,-101.40)  373.41                80
 04/13/2024   08:32:16   (   0.00,-104.70) (   0.43,-106.67)  224.52                80
 04/14/2024   08:10:51   (   0.00,-104.70) (  -0.57,-102.14)  292.10                80
 04/15/2024   20:32:48   (  -0.00,-104.68) (  -0.63,-107.43)  314.02                80
 04/16/2024   20:16:43   (  -0.00,-104.69) (   0.38,-102.90)  202.90                80
 04/18/2024   08:38:31   (   0.00,-104.71) (   0.80,-108.17)  394.37                80
 04/19/2024   08:17:07   (   0.00,-104.72) (  -0.21,-103.64)  122.77                80
 04/20/2024   20:39:03   (  -0.00,-104.71) (  -0.98,-108.94)  482.69                80
 04/21/2024   20:23:00   (   0.00,-104.72) (   0.10,-104.42)   34.73                80