Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 12 30.  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)
 01/01/2018   02:36:40   (   0.00, -75.14) (  -0.40, -76.90)  200.68                80
 01/02/2018   02:18:40   (  -0.00, -75.14) (   0.71, -71.91)  367.96                80
 01/03/2018   14:37:32   (   0.01, -75.15) (   0.32, -76.47)  150.23                80
 01/04/2018   14:14:12   (   0.02, -75.15) (  -0.78, -71.47)  418.72                80
 01/06/2018   02:33:13   (  -0.02, -75.13) (  -0.26, -76.06)  107.14                80
 01/07/2018   02:15:13   (  -0.03, -75.13) (   0.85, -71.07)  462.46                80
 01/08/2018   14:34:05   (   0.03, -75.16) (   0.13, -75.64)   54.18                80
 01/11/2018   02:29:46   (  -0.03, -75.16) (  -0.05, -75.24)    9.16                80
 01/13/2018   14:27:59   (   0.02, -75.21) (  -0.08, -74.81)   45.46                80