Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 1 21.  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)
 01/21/2021   22:17:55   (   0.03,-137.22) (   0.94,-133.09)  470.99                80
 01/23/2021   10:39:42   (  -0.02,-137.22) (   0.25,-138.35)  129.98                80
 01/24/2021   10:18:18   (   0.01,-137.21) (  -0.77,-133.82)  386.51                80
 01/25/2021   22:40:14   (  -0.02,-137.20) (  -0.43,-139.12)  218.99                80
 01/26/2021   22:24:10   (  -0.01,-137.19) (   0.59,-134.59)  296.32                80
 01/28/2021   10:45:57   (   0.01,-137.17) (   0.61,-139.85)  306.25                80
 01/29/2021   10:24:33   (   0.01,-137.15) (  -0.42,-135.32)  208.58                80
 01/30/2021   22:46:29   (  -0.01,-137.13) (  -0.78,-140.62)  398.40                80
 01/31/2021   22:30:24   (  -0.01,-137.11) (   0.25,-136.09)  116.32                80
 02/02/2021   10:52:12   (   0.01,-137.08) (   0.95,-141.36)  486.99                80
 02/03/2021   10:30:47   (   0.00,-137.06) (  -0.07,-136.83)   27.35                80