Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 12 27.  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)
 12/27/2020   10:43:15   (  -0.02,-137.23) (   0.60,-139.88)  302.87                80
 12/28/2020   10:27:10   (  -0.01,-137.23) (  -0.41,-135.35)  213.70                80
 12/29/2020   22:46:27   (   0.00,-137.22) (  -0.79,-140.65)  391.62                80
 12/30/2020   22:30:22   (  -0.00,-137.22) (   0.22,-136.12)  124.49                80
 01/01/2021   10:49:30   (   0.01,-137.21) (   0.94,-141.39)  476.44                80
 01/02/2021   10:33:26   (   0.01,-137.20) (  -0.08,-136.86)   39.09                80
 01/04/2021   22:33:58   (  -0.00,-137.17) (  -0.11,-137.63)   52.58                80
 01/05/2021   22:17:53   (  -0.00,-137.16) (   0.90,-133.10)  462.51                80
 01/07/2021   10:37:02   (   0.00,-137.14) (   0.25,-138.37)  139.63                80
 01/08/2021   10:20:56   (   0.01,-137.12) (  -0.70,-133.83)  375.13                80
 01/09/2021   22:40:12   (  -0.01,-137.09) (  -0.49,-139.13)  233.14                80