Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 13.  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)
 07/13/2021   10:31:17   (   0.03,-137.17) (  -0.03,-137.00)   19.66                80
 07/15/2021   22:37:07   (  -0.04,-137.15) (  -0.19,-137.77)   70.98                80
 07/16/2021   22:15:43   (  -0.03,-137.14) (   0.83,-133.24)  444.32                80
 07/18/2021   10:40:11   (   0.03,-137.13) (   0.33,-138.52)  158.02                80
 07/19/2021   10:18:47   (   0.02,-137.11) (  -0.70,-133.99)  356.60                80
 07/20/2021   22:43:23   (  -0.02,-137.08) (  -0.49,-139.29)  251.41                80
 07/21/2021   22:21:59   (  -0.00,-137.06) (   0.53,-134.76)  262.53                80
 07/23/2021   10:46:26   (  -0.01,-137.03) (   0.68,-140.03)  341.74                80
 07/24/2021   10:27:41   (  -0.02,-137.01) (  -0.34,-135.50)  172.13                80
 07/25/2021   22:46:58   (   0.02,-136.98) (  -0.83,-140.81)  436.41                80
 07/26/2021   22:30:53   (   0.01,-136.95) (   0.19,-136.28)   77.62                80