Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 19.  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)
 08/19/2021   10:40:09   (   0.05,-137.18) (   0.36,-138.52)  152.93                80
 08/20/2021   10:18:44   (   0.04,-137.17) (  -0.67,-133.99)  362.38                80
 08/21/2021   22:40:40   (  -0.04,-137.15) (  -0.51,-139.30)  244.34                80
 08/22/2021   22:24:36   (  -0.04,-137.14) (   0.52,-134.77)  271.05                80
 08/24/2021   10:46:23   (   0.03,-137.14) (   0.67,-140.04)  330.60                80
 08/25/2021   10:24:58   (   0.03,-137.12) (  -0.30,-135.50)  184.67                80
 08/26/2021   22:46:54   (  -0.03,-137.10) (  -0.88,-140.80)  422.61                80
 08/27/2021   22:30:50   (  -0.03,-137.09) (   0.15,-136.28)   92.36                80
 08/30/2021   10:33:52   (   0.03,-137.05) (   0.01,-137.02)    4.46                80
 09/01/2021   22:34:23   (  -0.01,-136.99) (  -0.21,-137.78)   90.87                80