Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 12 4.  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)
 12/04/2021   10:33:06   (   0.00,-137.20) (  -0.11,-136.82)   43.71                80
 12/06/2021   22:33:35   (  -0.01,-137.18) (  -0.10,-137.57)   45.29                80
 12/07/2021   22:17:29   (  -0.01,-137.17) (   0.91,-133.04)  470.71                80
 12/09/2021   10:36:35   (   0.00,-137.16) (   0.28,-138.30)  130.41                80
 12/10/2021   10:20:30   (   0.00,-137.15) (  -0.74,-133.76)  385.49                80
 12/11/2021   22:39:45   (  -0.00,-137.13) (  -0.42,-139.07)  220.13                80
 12/12/2021   22:23:40   (  -0.00,-137.12) (   0.59,-134.53)  295.70                80
 12/14/2021   10:42:46   (   0.00,-137.11) (   0.60,-139.79)  305.73                80
 12/15/2021   10:26:41   (   0.01,-137.09) (  -0.42,-135.26)  209.72                80
 12/16/2021   22:45:55   (  -0.00,-137.06) (  -0.80,-140.54)  396.92                80
 12/17/2021   22:29:49   (  -0.00,-137.05) (   0.22,-136.01)  117.99                80