Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 24.  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)
 06/24/2021   09:46:59   (   0.02,-128.40) (  -0.51,-125.99)  274.35                80
 06/25/2021   22:08:55   (  -0.00,-128.29) (  -0.69,-131.29)  342.61                80
 06/26/2021   21:52:51   (  -0.01,-128.27) (   0.33,-126.76)  172.09                80
 06/28/2021   10:11:59   (   0.00,-128.33) (   0.83,-132.04)  422.61                80
 06/29/2021   09:55:55   (   0.01,-128.31) (  -0.19,-127.51)   91.86                80
 07/01/2021   21:56:26   (  -0.01,-128.18) (  -0.05,-128.27)   11.22                80
 07/04/2021   09:59:29   (  -0.00,-128.22) (   0.19,-129.02)   91.49                80
 07/05/2021   09:43:25   (   0.01,-128.19) (  -0.83,-124.49)  422.43                80
 07/06/2021   22:02:41   (   0.01,-128.07) (  -0.36,-129.79)  196.55                80
 07/07/2021   21:46:36   (   0.01,-128.04) (   0.60,-125.25)  317.22                80