Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 5 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)
 05/20/2021   21:46:29   (  -0.07,-128.24) (   0.64,-125.19)  348.37                80
 05/22/2021   10:08:17   (   0.07,-128.33) (   0.52,-130.46)  241.75                80
 05/23/2021   09:46:53   (   0.07,-128.35) (  -0.49,-125.93)  276.19                80
 05/24/2021   22:08:49   (  -0.07,-128.31) (  -0.74,-131.23)  333.54                80
 05/25/2021   21:52:44   (  -0.07,-128.32) (   0.27,-126.70)  184.47                80
 05/27/2021   10:14:33   (   0.07,-128.42) (   0.89,-131.98)  406.18                80
 05/28/2021   09:53:09   (   0.07,-128.43) (  -0.18,-127.46)  110.94                80
 05/30/2021   21:59:01   (  -0.07,-128.37) (  -0.03,-128.23)   16.71                80
 06/02/2021   10:02:05   (   0.07,-128.48) (   0.18,-128.98)   56.56                80