Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 5 29.  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)
 05/29/2021   22:15:05   (  -0.06,-128.38) (  -1.06,-132.75)  498.86                80
 05/30/2021   21:59:01   (  -0.06,-128.39) (  -0.05,-128.22)   19.00                80
 06/02/2021   10:02:05   (   0.07,-128.49) (   0.20,-128.97)   55.00                80
 06/03/2021   09:40:40   (   0.07,-128.50) (  -0.81,-124.44)  462.22                80
 06/04/2021   22:02:37   (  -0.07,-128.44) (  -0.34,-129.75)  148.86                80
 06/05/2021   21:46:33   (  -0.07,-128.45) (   0.67,-125.22)  368.66                80
 06/07/2021   10:08:21   (   0.07,-128.54) (   0.49,-130.50)  222.68                80
 06/08/2021   09:46:57   (   0.07,-128.55) (  -0.52,-125.97)  293.94                80
 06/09/2021   22:08:53   (  -0.06,-128.47) (  -0.68,-131.27)  319.17                80
 06/10/2021   21:52:49   (  -0.06,-128.47) (   0.33,-126.74)  197.50                80