Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 5 14.  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)
 05/14/2020   22:40:44   (   0.01,-137.19) (  -0.46,-139.16)  225.26                80
 05/15/2020   22:24:39   (   0.01,-137.19) (   0.57,-134.64)  290.76                80
 05/17/2020   10:46:26   (  -0.00,-137.18) (   0.60,-139.91)  310.98                80
 05/18/2020   10:25:01   (  -0.01,-137.17) (  -0.38,-135.37)  204.66                80
 05/19/2020   22:46:57   (   0.00,-137.16) (  -0.79,-140.68)  400.88                80
 05/20/2020   22:30:53   (   0.01,-137.15) (   0.25,-136.15)  114.48                80
 05/22/2020   10:52:39   (  -0.00,-137.13) (   0.98,-141.41)  488.36                80
 05/23/2020   10:31:15   (  -0.01,-137.12) (  -0.06,-136.88)   26.35                80
 05/25/2020   22:34:25   (   0.00,-137.07) (  -0.13,-137.65)   66.59                80
 05/26/2020   22:18:20   (  -0.00,-137.05) (   0.85,-133.12)  447.58                80
 05/28/2020   10:40:07   (   0.01,-137.01) (   0.32,-138.39)  157.02                80