Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 6 18.  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)
 06/19/2020   10:24:50   (   0.01,-137.20) (  -0.38,-135.36)  208.97                80
 06/20/2020   22:49:26   (  -0.00,-137.20) (  -0.77,-140.67)  396.14                80
 06/21/2020   22:28:01   (   0.00,-137.19) (   0.21,-136.13)  119.76                80
 06/23/2020   10:52:28   (  -0.01,-137.18) (   0.96,-141.41)  481.62                80
 06/24/2020   10:31:04   (  -0.01,-137.17) (  -0.09,-136.88)   33.88                80
 06/26/2020   22:36:53   (   0.01,-137.15) (  -0.13,-137.64)   57.20                80
 06/27/2020   22:15:29   (   0.00,-137.13) (   0.92,-133.12)  458.06                80
 06/29/2020   10:39:56   (  -0.00,-137.12) (   0.26,-138.39)  144.41                80
 06/30/2020   10:18:31   (  -0.01,-137.10) (  -0.73,-133.85)  370.31                80
 07/01/2020   22:40:26   (   0.01,-137.07) (  -0.47,-139.15)  237.31                80