Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2017 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2017   02:25:19   (  -0.02, -75.18) (  -0.04, -75.18)    1.73                80
 12/27/2017   14:23:29   (   0.02, -75.21) (  -0.07, -74.75)   51.44                80
 12/29/2017   02:42:27   (  -0.01, -75.21) (  -0.96, -79.35)  471.92                80
 12/30/2017   02:24:27   (   0.01, -75.22) (   0.22, -74.37)   97.84                80
 12/31/2017   14:43:18   (  -0.01, -75.25) (   0.79, -78.93)  419.64                80
 01/01/2018   14:19:56   (  -0.00, -75.25) (  -0.27, -73.93)  150.63                80
 01/03/2018   02:38:54   (  -0.00, -75.26) (  -0.76, -78.52)  372.16                80
 01/04/2018   02:20:54   (  -0.01, -75.28) (   0.36, -73.53)  198.86                80
 01/05/2018   14:39:44   (   0.02, -75.31) (   0.64, -78.09)  317.08                80