Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2021   22:02:40   (  -0.03,-128.37) (  -0.33,-129.78)  160.55                80
 06/21/2021   21:46:36   (  -0.03,-128.36) (   0.68,-125.25)  354.68                80
 06/23/2021   10:05:44   (   0.02,-128.42) (   0.47,-130.53)  239.97                80
 06/24/2021   09:49:40   (   0.02,-128.40) (  -0.54,-126.00)  274.50                80
 06/25/2021   22:08:56   (  -0.01,-128.29) (  -0.66,-131.30)  342.79                80
 06/26/2021   21:52:50   (  -0.02,-128.27) (   0.30,-126.76)  171.87                80
 06/28/2021   10:11:59   (   0.01,-128.33) (   0.85,-132.03)  422.69                80
 06/29/2021   09:55:54   (   0.02,-128.31) (  -0.16,-127.51)   91.74                80
 07/01/2021   21:56:26   (  -0.01,-128.18) (  -0.01,-128.28)   11.73                80