Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 11.  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) (   0.81,-132.02)  399.73                80
 06/13/2021   09:53:13   (   0.05,-128.50) (  -0.20,-127.49)  115.83                80
 06/14/2021   22:15:09   (  -0.04,-128.41) (  -1.01,-132.79)  498.83                80
 06/15/2021   21:59:05   (  -0.05,-128.41) (   0.00,-128.26)   16.94                80
 06/18/2021   10:02:08   (   0.05,-128.46) (   0.14,-129.01)   61.69                80
 06/19/2021   09:40:43   (   0.06,-128.45) (  -0.81,-124.47)  453.38                80
 06/20/2021   22:02:39   (  -0.04,-128.35) (  -0.39,-129.77)  162.71                80
 06/21/2021   21:46:35   (  -0.05,-128.33) (   0.63,-125.24)  352.11                80
 06/23/2021   10:05:43   (   0.03,-128.39) (   0.54,-130.51)  243.03                80
 06/24/2021   09:49:39   (   0.04,-128.37) (  -0.48,-125.99)  271.05                80