Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 12 1.  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)
 12/01/2021   22:30:05   (  -0.00,-137.20) (   0.27,-136.09)  126.71                80
 12/03/2021   10:49:11   (   0.00,-137.20) (   0.92,-141.35)  473.64                80
 12/04/2021   10:33:05   (   0.01,-137.19) (  -0.09,-136.82)   42.55                80
 12/06/2021   22:33:34   (  -0.01,-137.16) (  -0.12,-137.57)   47.28                80
 12/07/2021   22:17:29   (  -0.01,-137.15) (   0.90,-133.04)  468.37                80
 12/09/2021   10:36:35   (   0.01,-137.13) (   0.29,-138.30)  133.37                80
 12/10/2021   10:20:30   (   0.01,-137.12) (  -0.72,-133.76)  382.18                80
 12/11/2021   22:39:45   (  -0.00,-137.10) (  -0.44,-139.06)  223.90                80
 12/12/2021   22:23:39   (  -0.00,-137.08) (   0.58,-134.53)  291.55                80
 12/14/2021   10:45:26   (   0.00,-137.06) (   0.61,-139.79)  310.49                80