Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 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)
 08/21/2021   22:40:40   (  -0.04,-137.19) (  -0.52,-139.30)  240.65                80
 08/22/2021   22:24:36   (  -0.04,-137.19) (   0.51,-134.77)  276.32                80
 08/24/2021   10:46:23   (   0.04,-137.21) (   0.68,-140.04)  322.47                80
 08/25/2021   10:24:59   (   0.04,-137.21) (  -0.35,-135.51)  194.36                80
 08/26/2021   22:46:55   (  -0.03,-137.21) (  -0.83,-140.82)  410.82                80
 08/27/2021   22:30:49   (  -0.03,-137.21) (   0.15,-136.27)  105.77                80
 08/29/2021   10:52:38   (   0.03,-137.22) (   0.98,-141.55)  493.93                80
 08/30/2021   10:31:12   (   0.03,-137.21) (   0.01,-137.01)   22.22                80
 09/01/2021   22:34:24   (  -0.01,-137.19) (  -0.16,-137.79)   69.39                80
 09/02/2021   22:18:20   (  -0.01,-137.18) (   0.88,-133.27)  445.82                80