Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2017   14:40:59   (  -0.01, -75.19) (   0.44, -77.31)  240.73                80
 12/30/2017   14:17:40   (  -0.01, -75.19) (  -0.67, -72.31)  327.95                80
 01/01/2018   02:36:40   (   0.01, -75.17) (  -0.39, -76.91)  198.01                80
 01/02/2018   02:18:41   (   0.00, -75.17) (   0.72, -71.91)  371.04                80
 01/03/2018   14:37:32   (  -0.00, -75.18) (   0.31, -76.47)  147.07                80
 01/04/2018   14:14:13   (   0.00, -75.18) (  -0.85, -71.48)  422.29                80
 01/06/2018   02:33:14   (  -0.00, -75.17) (  -0.19, -76.08)  102.60                80
 01/07/2018   02:15:14   (  -0.01, -75.18) (   0.92, -71.08)  467.43                80
 01/08/2018   14:31:26   (   0.00, -75.21) (   0.12, -75.64)   49.09                80
 01/11/2018   02:32:27   (   0.00, -75.23) (   0.01, -75.25)    3.21                80