Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 23.  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)
 07/24/2021   10:25:02   (   0.03,-137.18) (  -0.36,-135.50)  191.56                80
 07/25/2021   22:46:58   (  -0.03,-137.16) (  -0.82,-140.81)  414.38                80
 07/26/2021   22:30:52   (  -0.03,-137.16) (   0.14,-136.26)  101.06                80
 07/29/2021   10:31:16   (   0.03,-137.13) (  -0.02,-137.01)   14.18                80
 07/31/2021   22:34:27   (  -0.03,-137.10) (  -0.20,-137.78)   78.03                80
 08/01/2021   22:18:23   (  -0.03,-137.08) (   0.82,-133.25)  436.60                80
 08/03/2021   10:40:11   (   0.02,-137.06) (   0.33,-138.53)  167.13                80
 08/04/2021   10:18:46   (  -0.01,-137.04) (  -0.70,-134.00)  346.22                80
 08/05/2021   22:40:43   (   0.01,-137.00) (  -0.48,-139.31)  262.40                80