Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 28.  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)
 07/28/2021   10:52:40   (   0.04,-137.20) (   1.04,-141.53)  494.55                80
 07/29/2021   10:31:16   (   0.04,-137.21) (   0.01,-137.01)   22.43                80
 07/31/2021   22:34:28   (  -0.03,-137.21) (  -0.17,-137.78)   65.81                80
 08/01/2021   22:18:23   (  -0.03,-137.21) (   0.85,-133.26)  450.57                80
 08/03/2021   10:40:11   (   0.02,-137.21) (   0.29,-138.53)  149.73                80
 08/04/2021   10:18:46   (   0.02,-137.21) (  -0.68,-133.99)  365.95                80
 08/05/2021   22:40:43   (   0.02,-137.19) (  -0.44,-139.31)  241.36                80
 08/06/2021   22:24:38   (   0.02,-137.18) (   0.53,-134.77)  274.28                80
 08/08/2021   10:46:26   (  -0.01,-137.18) (   0.62,-140.05)  326.95                80
 08/09/2021   10:25:01   (  -0.01,-137.17) (  -0.35,-135.51)  188.25                80
 08/10/2021   22:46:57   (   0.01,-137.14) (  -0.82,-140.82)  419.37                80