Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 12 30.  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)
 12/30/2020   22:30:22   (   0.02,-137.22) (   0.24,-136.12)  124.41                80
 01/01/2021   10:49:31   (  -0.02,-137.21) (   0.92,-141.40)  476.82                80
 01/02/2021   10:30:46   (  -0.03,-137.21) (  -0.10,-136.87)   38.67                80
 01/04/2021   22:33:58   (   0.03,-137.18) (  -0.09,-137.63)   52.49                80
 01/05/2021   22:17:54   (   0.03,-137.17) (   0.92,-133.10)  462.80                80
 01/07/2021   10:39:42   (  -0.03,-137.15) (   0.23,-138.38)  139.42                80
 01/08/2021   10:20:57   (  -0.03,-137.13) (  -0.79,-133.84)  375.40                80
 01/09/2021   22:40:13   (   0.01,-137.10) (  -0.47,-139.13)  232.21                80
 01/10/2021   22:24:08   (  -0.01,-137.08) (   0.55,-134.60)  282.56                80
 01/12/2021   10:45:56   (   0.02,-137.05) (   0.67,-139.86)  320.81                80