Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 12 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)
 12/14/2021   10:42:47   (  -0.01,-137.21) (   0.56,-139.80)  294.18                80
 12/15/2021   10:26:41   (  -0.01,-137.21) (  -0.46,-135.26)  222.61                80
 12/16/2021   22:45:55   (   0.01,-137.20) (  -0.76,-140.55)  382.38                80
 12/17/2021   22:29:50   (   0.00,-137.19) (   0.26,-136.02)  133.99                80
 12/19/2021   10:48:56   (   0.00,-137.18) (   0.92,-141.28)  466.43                80
 12/20/2021   10:32:51   (   0.01,-137.17) (  -0.10,-136.74)   49.38                80
 12/22/2021   22:33:20   (  -0.01,-137.13) (  -0.09,-137.50)   41.66                80
 12/23/2021   22:17:14   (  -0.01,-137.12) (   0.93,-132.96)  473.65                80
 12/25/2021   10:36:20   (   0.01,-137.10) (   0.25,-138.22)  128.08                80
 12/26/2021   10:17:35   (   0.01,-137.08) (  -0.77,-133.69)  386.89                80