Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 12.  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)
 08/13/2021   10:52:39   (   0.05,-137.19) (   1.05,-141.54)  495.95                80
 08/14/2021   10:31:14   (   0.05,-137.19) (   0.02,-137.01)   19.74                80
 08/16/2021   22:34:26   (  -0.04,-137.16) (  -0.17,-137.79)   71.47                80
 08/17/2021   22:18:22   (  -0.04,-137.15) (   0.86,-133.26)  443.35                80
 08/19/2021   10:40:09   (   0.03,-137.12) (   0.34,-138.53)  159.94                80
 08/20/2021   10:21:25   (   0.03,-137.11) (  -0.69,-134.00)  354.48                80
 08/21/2021   22:40:41   (  -0.01,-137.08) (  -0.48,-139.31)  253.45                80
 08/22/2021   22:24:35   (  -0.00,-137.06) (   0.49,-134.77)  261.11                80
 08/24/2021   10:43:43   (   0.00,-137.04) (   0.70,-140.03)  342.28                80
 08/25/2021   10:27:38   (   0.01,-137.02) (  -0.33,-135.51)  172.22                80