Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 9 13.  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)
 09/13/2019   22:17:22   (   0.02,-137.17) (   0.94,-132.99)  475.44                80
 09/15/2019   10:39:10   (  -0.02,-137.16) (   0.23,-138.27)  126.37                80
 09/16/2019   10:17:46   (  -0.02,-137.15) (  -0.77,-133.74)  388.65                80
 09/17/2019   22:39:43   (   0.02,-137.12) (  -0.40,-139.05)  218.91                80
 09/18/2019   22:23:39   (   0.02,-137.11) (   0.60,-134.51)  295.64                80
 09/20/2019   10:45:27   (  -0.02,-137.09) (   0.57,-139.79)  307.54                80
 09/21/2019   10:24:02   (  -0.02,-137.07) (  -0.43,-135.26)  206.42                80
 09/22/2019   22:45:59   (   0.02,-137.02) (  -0.79,-140.56)  402.87                80
 09/23/2019   22:29:54   (   0.02,-137.00) (   0.21,-136.02)  110.56                80
 09/25/2019   10:51:43   (  -0.02,-136.96) (   0.97,-141.30)  494.25                80
 09/26/2019   10:32:58   (  -0.02,-136.93) (  -0.04,-136.76)   18.94                80