Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/07/2020   03:44:14   (   0.04,-137.21) (   0.00,-140.45)  360.36                 0
 12/08/2020   03:31:00   (   0.04,-137.21) (  -0.03,-137.43)   25.77                80
 12/09/2020   03:21:58   (   0.04,-137.21) (   0.64,-134.57)  300.60                80
 12/11/2020   15:40:13   (  -0.04,-137.20) (   0.52,-139.52)  264.57                80
 12/12/2020   15:31:11   (  -0.03,-137.19) (  -0.15,-136.66)   61.07                80
 12/13/2020   15:19:28   (  -0.03,-137.18) (  -0.81,-133.80)  386.50                80
 12/16/2020   03:37:43   (   0.01,-137.14) (  -0.34,-138.74)  182.84                80
 12/17/2020   03:28:40   (   0.01,-137.12) (   0.28,-135.87)  142.21                80
 12/18/2020   03:16:57   (   0.01,-137.10) (   0.95,-133.01)  467.11                80
 12/19/2020   15:46:57   (  -0.00,-137.09) (   0.86,-140.82)  426.14                80
 12/20/2020   15:35:14   (  -0.00,-137.07) (   0.19,-137.96)  101.40                80