Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 11 28.  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)
 11/28/2021   10:43:00   (  -0.00,-137.20) (   0.60,-139.86)  303.75                80
 11/29/2021   10:26:55   (   0.00,-137.19) (  -0.41,-135.33)  212.72                80
 11/30/2021   22:46:10   (   0.00,-137.19) (  -0.75,-140.63)  392.04                80
 12/01/2021   22:30:04   (  -0.00,-137.18) (   0.26,-136.09)  124.06                80
 12/03/2021   10:49:11   (   0.00,-137.16) (   0.94,-141.35)  477.61                80
 12/04/2021   10:33:05   (   0.01,-137.15) (  -0.08,-136.82)   37.76                80
 12/06/2021   22:33:34   (  -0.01,-137.10) (  -0.13,-137.57)   53.98                80
 12/07/2021   22:17:29   (  -0.01,-137.08) (   0.89,-133.04)  460.86                80
 12/09/2021   10:39:15   (   0.01,-137.05) (   0.30,-138.29)  142.16                80
 12/10/2021   10:17:49   (   0.01,-137.03) (  -0.71,-133.76)  372.54                80
 12/11/2021   22:39:45   (  -0.00,-137.00) (  -0.44,-139.06)  234.71                80