Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 11 18.  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)
 11/18/2021   10:33:18   (   0.01,-137.22) (  -0.06,-136.88)   39.09                80
 11/20/2021   22:33:48   (  -0.01,-137.21) (  -0.11,-137.64)   49.17                80
 11/21/2021   22:17:42   (  -0.01,-137.21) (   0.90,-133.11)  467.04                80
 11/23/2021   10:36:49   (   0.01,-137.20) (   0.25,-138.38)  133.96                80
 11/24/2021   10:20:44   (   0.01,-137.19) (  -0.76,-133.84)  381.77                80
 11/25/2021   22:39:58   (  -0.01,-137.16) (  -0.47,-139.13)  224.55                80
 11/26/2021   22:23:53   (  -0.01,-137.15) (   0.54,-134.59)  290.91                80
 11/28/2021   10:43:00   (   0.00,-137.13) (   0.60,-139.87)  310.90                80
 11/29/2021   10:26:55   (   0.00,-137.12) (  -0.41,-135.33)  204.20                80
 11/30/2021   22:46:09   (  -0.00,-137.09) (  -0.81,-140.62)  403.17                80
 12/01/2021   22:30:03   (  -0.00,-137.07) (   0.20,-136.08)  111.52                80