Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2021   22:24:39   (  -0.03,-137.20) (   0.54,-134.76)  278.25                80
 07/23/2021   10:46:26   (   0.02,-137.19) (   0.67,-140.03)  323.54                80
 07/24/2021   10:25:01   (   0.02,-137.18) (  -0.35,-135.50)  191.89                80
 07/25/2021   22:46:58   (  -0.03,-137.17) (  -0.83,-140.80)  413.88                80
 07/26/2021   22:30:53   (  -0.03,-137.16) (   0.19,-136.28)  101.72                80
 07/29/2021   10:31:16   (   0.03,-137.14) (  -0.01,-137.01)   15.18                80
 07/31/2021   22:34:28   (  -0.02,-137.11) (  -0.15,-137.79)   76.52                80
 08/01/2021   22:18:23   (  -0.02,-137.10) (   0.82,-133.25)  438.34                80
 08/03/2021   10:40:11   (  -0.02,-137.08) (   0.33,-138.53)  165.68                80