Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 9.  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)
 06/09/2021   22:08:53   (  -0.05,-128.44) (  -0.71,-131.27)  322.50                80
 06/10/2021   21:52:48   (  -0.05,-128.44) (   0.30,-126.74)  193.74                80
 06/12/2021   10:14:37   (   0.04,-128.51) (   0.85,-132.01)  399.79                80
 06/13/2021   09:53:12   (   0.05,-128.50) (  -0.16,-127.48)  115.76                80
 06/14/2021   22:15:08   (  -0.04,-128.41) (  -1.05,-132.78)  498.98                80
 06/15/2021   21:59:04   (  -0.05,-128.41) (  -0.04,-128.25)   16.85                80
 06/18/2021   09:59:38   (   0.05,-128.46) (   0.18,-129.00)   61.80                70
 06/19/2021   09:40:43   (   0.06,-128.45) (  -0.83,-124.47)  453.19                80
 06/20/2021   22:02:40   (  -0.04,-128.35) (  -0.37,-129.77)  162.91                80
 06/21/2021   21:46:35   (  -0.05,-128.33) (   0.65,-125.24)  351.86                80