Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 17.  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)
 07/18/2021   10:40:11   (   0.04,-137.21) (   0.35,-138.51)  148.62                80
 07/19/2021   10:18:46   (   0.03,-137.21) (  -0.68,-133.98)  367.48                80
 07/20/2021   22:43:23   (  -0.02,-137.20) (  -0.51,-139.29)  237.91                80
 07/21/2021   22:21:58   (  -0.01,-137.20) (   0.51,-134.76)  277.64                80
 07/23/2021   10:46:26   (   0.00,-137.19) (   0.64,-140.04)  324.35                80
 07/24/2021   10:25:02   (  -0.01,-137.18) (  -0.39,-135.51)  190.81                80
 07/25/2021   22:46:58   (   0.02,-137.17) (  -0.80,-140.81)  415.59                80
 07/26/2021   22:30:54   (   0.02,-137.16) (   0.23,-136.29)   99.95                80
 07/29/2021   10:33:57   (   0.01,-137.14) (  -0.04,-137.02)   14.30                80