Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 1 3.  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)
 01/04/2021   22:33:58   (   0.03,-137.20) (  -0.07,-137.64)   49.46                80
 01/05/2021   22:17:54   (   0.03,-137.20) (   0.94,-133.11)  466.25                80
 01/07/2021   10:39:41   (  -0.02,-137.18) (   0.27,-138.37)  135.77                80
 01/08/2021   10:20:57   (  -0.01,-137.17) (  -0.75,-133.84)  379.63                80
 01/09/2021   22:40:13   (  -0.01,-137.15) (  -0.45,-139.13)  226.44                80
 01/10/2021   22:24:09   (  -0.01,-137.13) (   0.56,-134.60)  288.43                80
 01/12/2021   10:45:56   (   0.01,-137.10) (   0.64,-139.86)  315.01                80
 01/13/2021   10:24:31   (   0.01,-137.08) (  -0.37,-135.33)  199.32                80
 01/14/2021   22:46:28   (  -0.01,-137.05) (  -0.82,-140.63)  408.32                80
 01/15/2021   22:30:23   (  -0.01,-137.03) (   0.20,-136.10)  106.01                80