Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 20.  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   22:02:41   (  -0.03,-128.37) (  -0.32,-129.78)  160.59                80
 06/21/2021   21:46:35   (  -0.03,-128.36) (   0.64,-125.24)  354.70                80
 06/23/2021   10:05:43   (   0.02,-128.42) (   0.51,-130.52)  239.92                80
 06/24/2021   09:49:39   (   0.02,-128.40) (  -0.50,-125.99)  274.56                80
 06/25/2021   22:08:55   (  -0.01,-128.29) (  -0.70,-131.29)  342.67                80
 06/26/2021   21:52:51   (  -0.02,-128.27) (   0.32,-126.76)  172.01                80
 06/28/2021   10:11:59   (   0.01,-128.33) (   0.84,-132.04)  422.49                80
 06/29/2021   09:55:55   (   0.02,-128.31) (  -0.18,-127.51)   91.98                80
 07/01/2021   21:56:25   (  -0.01,-128.18) (  -0.05,-128.27)   11.34                80