Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 1 7.  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)
 01/07/2021   10:39:42   (  -0.03,-137.22) (   0.24,-138.37)  131.04                80
 01/08/2021   10:18:17   (  -0.02,-137.23) (  -0.78,-133.84)  385.81                80
 01/09/2021   22:40:13   (   0.01,-137.23) (  -0.43,-139.14)  218.07                80
 01/10/2021   22:24:09   (  -0.01,-137.23) (   0.59,-134.61)  298.56                80
 01/12/2021   10:45:56   (   0.02,-137.22) (   0.62,-139.87)  302.44                80
 01/13/2021   10:24:32   (   0.02,-137.21) (  -0.40,-135.34)  213.44                80
 01/14/2021   22:46:28   (  -0.01,-137.20) (  -0.80,-140.64)  391.81                80
 01/15/2021   22:30:24   (  -0.01,-137.20) (   0.22,-136.11)  124.04                80
 01/17/2021   10:52:12   (   0.01,-137.19) (   0.93,-141.38)  477.42                80
 01/18/2021   10:30:47   (   0.01,-137.18) (  -0.09,-136.85)   38.31                80
 01/20/2021   22:33:58   (  -0.01,-137.16) (  -0.14,-137.61)   52.22                80