Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 12 20.  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)
 12/20/2020   22:17:51   (   0.01,-137.22) (   0.94,-133.11)  468.83                80
 12/22/2020   10:37:00   (  -0.02,-137.23) (   0.22,-138.38)  131.43                80
 12/23/2020   10:20:55   (  -0.01,-137.22) (  -0.79,-133.85)  384.71                80
 12/24/2020   22:40:11   (   0.01,-137.21) (  -0.42,-139.15)  221.26                80
 12/25/2020   22:24:07   (   0.01,-137.20) (   0.59,-134.62)  294.53                80
 12/27/2020   10:43:14   (  -0.00,-137.19) (   0.62,-139.88)  306.73                80
 12/28/2020   10:27:10   (   0.00,-137.18) (  -0.39,-135.35)  208.56                80
 12/29/2020   22:46:26   (  -0.01,-137.15) (  -0.81,-140.65)  398.91                80
 12/30/2020   22:30:22   (  -0.01,-137.14) (   0.20,-136.12)  115.80                80
 01/01/2021   10:49:30   (   0.01,-137.11) (   0.96,-141.39)  487.05                80
 01/02/2021   10:33:26   (   0.01,-137.09) (  -0.06,-136.86)   27.20                80