Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 12.  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)
 06/12/2021   10:14:37   (   0.04,-128.51) (   0.83,-132.02)  399.68                80
 06/13/2021   09:53:13   (   0.04,-128.50) (  -0.18,-127.49)  115.89                80
 06/14/2021   22:15:09   (  -0.04,-128.41) (  -1.03,-132.79)  498.72                80
 06/15/2021   21:59:04   (  -0.05,-128.41) (  -0.01,-128.26)   16.99                80
 06/18/2021   10:02:08   (   0.05,-128.46) (   0.16,-129.00)   61.43                80
 06/19/2021   09:40:44   (   0.05,-128.45) (  -0.85,-124.48)  453.60                80
 06/20/2021   22:02:40   (  -0.04,-128.35) (  -0.35,-129.78)  162.42                80
 06/21/2021   21:46:36   (  -0.04,-128.34) (   0.67,-125.25)  352.40                80
 06/23/2021   10:05:44   (   0.03,-128.39) (   0.49,-130.52)  242.70                80
 06/24/2021   09:49:39   (   0.03,-128.37) (  -0.52,-125.99)  271.40                80
 06/25/2021   22:08:56   (  -0.02,-128.25) (  -0.67,-131.30)  346.49                80