Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 7 15.  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)
 07/16/2020   10:18:23   (   0.02,-137.18) (  -0.73,-133.83)  381.91                80
 07/17/2020   22:42:58   (  -0.02,-137.17) (  -0.47,-139.13)  223.88                80
 07/18/2020   22:21:34   (  -0.01,-137.16) (   0.58,-134.61)  291.09                80
 07/20/2020   10:46:01   (  -0.01,-137.13) (   0.58,-139.88)  312.44                80
 07/21/2020   10:24:36   (  -0.02,-137.12) (  -0.41,-135.34)  202.08                80
 07/22/2020   22:46:31   (   0.02,-137.09) (  -0.79,-140.64)  404.98                80
 07/23/2020   22:30:26   (   0.02,-137.07) (   0.21,-136.11)  109.60                80
 07/25/2020   10:49:33   (  -0.01,-137.04) (   0.96,-141.38)  494.22                80
 07/26/2020   10:33:27   (   0.00,-137.02) (  -0.03,-136.84)   20.07                80
 07/28/2020   22:33:58   (   0.01,-136.96) (  -0.10,-137.62)   74.73                80