Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 13.  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)
 06/13/2021   22:37:06   (  -0.01,-137.19) (  -0.11,-137.75)   62.67                80
 06/14/2021   22:15:42   (  -0.00,-137.19) (   0.90,-133.22)  453.01                80
 06/16/2021   10:40:09   (   0.01,-137.18) (   0.32,-138.48)  148.28                80
 06/17/2021   10:18:44   (   0.01,-137.18) (  -0.70,-133.95)  367.12                80
 06/18/2021   22:43:21   (  -0.01,-137.16) (  -0.51,-139.25)  239.38                80
 06/19/2021   22:21:56   (  -0.01,-137.15) (   0.51,-134.72)  275.64                80
 06/21/2021   10:46:25   (   0.01,-137.13) (   0.65,-140.00)  327.06                80
 06/22/2021   10:25:00   (   0.00,-137.12) (  -0.37,-135.47)  187.28                80
 06/23/2021   22:49:36   (   0.00,-137.08) (  -0.83,-140.78)  421.03                80
 06/24/2021   22:30:52   (   0.01,-137.06) (   0.18,-136.25)   92.86                80