Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 5 18.  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)
 05/18/2019   22:30:41   (   0.01,-137.19) (   0.27,-136.13)  120.72                80
 05/20/2019   10:52:28   (  -0.01,-137.21) (   0.90,-141.40)  477.34                80
 05/21/2019   10:31:03   (  -0.02,-137.21) (  -0.09,-136.87)   38.63                80
 05/23/2019   22:34:13   (   0.01,-137.17) (  -0.09,-137.64)   52.78                80
 05/24/2019   22:18:08   (   0.01,-137.17) (   0.90,-133.10)  463.44                80
 05/26/2019   10:39:55   (  -0.01,-137.19) (   0.28,-138.37)  135.25                80
 05/27/2019   10:18:31   (  -0.00,-137.18) (  -0.77,-133.84)  380.35                80
 05/28/2019   22:40:26   (   0.00,-137.14) (  -0.45,-139.14)  228.64                80
 05/29/2019   22:24:21   (   0.00,-137.13) (   0.54,-134.60)  286.94                80
 05/31/2019   10:46:09   (  -0.01,-137.14) (   0.58,-139.89)  312.41                80
 06/01/2019   10:24:44   (  -0.01,-137.12) (  -0.41,-135.35)  202.33                80