Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2019   22:30:49   (  -0.00,-137.19) (   0.25,-136.13)  121.67                80
 04/18/2019   10:52:37   (   0.00,-137.21) (   0.93,-141.40)  477.21                80
 04/19/2019   10:31:11   (   0.00,-137.20) (  -0.05,-136.86)   38.62                80
 04/21/2019   22:34:23   (  -0.00,-137.17) (  -0.10,-137.64)   53.60                80
 04/22/2019   22:18:18   (  -0.00,-137.16) (   0.88,-133.10)  462.06                80
 04/24/2019   10:40:05   (  -0.00,-137.17) (   0.30,-138.37)  137.85                80
 04/25/2019   10:18:40   (  -0.00,-137.15) (  -0.74,-133.84)  377.01                80
 04/26/2019   22:40:37   (   0.00,-137.11) (  -0.44,-139.15)  232.50                80
 04/27/2019   22:24:31   (  -0.00,-137.10) (   0.54,-134.61)  282.60                80
 04/29/2019   10:46:19   (   0.00,-137.10) (   0.64,-139.88)  317.19                80
 04/30/2019   10:24:54   (   0.00,-137.08) (  -0.40,-135.36)  197.17                80