Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 5 30.  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)
 05/30/2021   21:59:02   (  -0.06,-128.39) (   0.00,-128.23)   19.01                80
 06/02/2021   10:02:05   (   0.07,-128.49) (   0.15,-128.98)   55.40                80
 06/03/2021   09:40:41   (   0.07,-128.50) (  -0.86,-124.45)  461.81                80
 06/04/2021   22:02:37   (  -0.07,-128.44) (  -0.35,-129.75)  149.22                80
 06/05/2021   21:46:33   (  -0.07,-128.45) (   0.66,-125.22)  368.23                80
 06/07/2021   10:08:21   (   0.06,-128.54) (   0.50,-130.50)  223.35                80
 06/08/2021   09:46:57   (   0.07,-128.54) (  -0.51,-125.97)  293.20                80
 06/09/2021   22:08:53   (  -0.06,-128.47) (  -0.70,-131.27)  319.87                80
 06/10/2021   21:52:49   (  -0.06,-128.47) (   0.32,-126.74)  196.75                80
 06/12/2021   10:14:37   (   0.05,-128.55) (   0.84,-132.02)  395.37                80