Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 9 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)
 09/01/2019   22:41:04   (   0.03,-137.20) (   0.00,-139.10)  211.40                 0
 09/02/2019   22:23:33   (   0.03,-137.20) (   0.65,-134.49)  309.27                80
 09/04/2019   10:45:21   (  -0.03,-137.20) (   0.53,-139.76)  291.56                80
 09/05/2019   10:23:57   (  -0.03,-137.20) (  -0.47,-135.23)  224.17                80
 09/06/2019   22:45:54   (   0.03,-137.19) (  -0.71,-140.54)  382.12                80
 09/07/2019   22:29:50   (   0.04,-137.18) (   0.29,-136.01)  133.25                80
 09/09/2019   10:51:38   (  -0.04,-137.17) (   0.88,-141.28)  468.61                80
 09/10/2019   10:30:14   (  -0.04,-137.16) (  -0.12,-136.75)   46.51                80
 09/12/2019   22:33:26   (   0.04,-137.13) (  -0.05,-137.53)   45.58                80
 09/13/2019   22:17:22   (   0.04,-137.12) (   0.95,-133.00)  469.30                80
 09/15/2019   10:39:10   (  -0.04,-137.10) (   0.23,-138.27)  133.36                80