Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2019 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2019   18:28:53   (   0.03,-137.22) (  -0.65,-134.31)  331.77                80
 12/23/2019   06:44:57   (  -0.02,-137.20) (  -0.36,-138.83)  185.30                80
 12/24/2019   06:26:45   (  -0.03,-137.20) (   0.73,-133.78)  388.74                80
 12/25/2019   18:42:38   (   0.03,-137.19) (   0.26,-138.27)  122.61                80
 12/26/2019   18:24:27   (   0.03,-137.18) (  -0.83,-133.22)  451.18                80
 12/28/2019   06:40:30   (  -0.04,-137.15) (  -0.19,-137.74)   66.86                80
 12/30/2019   18:38:12   (   0.05,-137.13) (   0.08,-137.17)    5.69                80
 01/02/2020   06:38:45   (  -0.05,-137.09) (   0.05,-136.65)   49.38                80