Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 12 19.  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)
 12/19/2020   22:33:56   (   0.01,-137.22) (  -0.06,-137.65)   47.69                80
 12/20/2020   22:17:52   (   0.01,-137.22) (   0.95,-133.11)  468.51                80
 12/22/2020   10:36:59   (  -0.01,-137.22) (   0.27,-138.37)  132.04                80
 12/23/2020   10:20:54   (  -0.01,-137.22) (  -0.74,-133.84)  383.95                80
 12/24/2020   22:40:12   (   0.01,-137.20) (  -0.41,-139.15)  222.23                80
 12/25/2020   22:24:07   (   0.00,-137.19) (   0.60,-134.62)  293.41                80
 12/27/2020   10:43:14   (   0.00,-137.18) (   0.62,-139.88)  308.13                80
 12/28/2020   10:27:10   (   0.01,-137.17) (  -0.40,-135.35)  206.92                80
 12/29/2020   22:46:26   (  -0.01,-137.13) (  -0.81,-140.65)  400.84                80
 12/30/2020   22:30:22   (  -0.01,-137.12) (   0.21,-136.12)  113.58                80
 01/01/2021   10:49:30   (   0.00,-137.09) (   0.95,-141.39)  489.64                80