Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2018 12 20.  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)
 12/21/2018   02:10:40   (   0.01, -75.19) (   0.92, -71.06)  469.87                80
 12/22/2018   14:29:33   (  -0.01, -75.22) (   0.06, -75.63)   46.29                80
 12/25/2018   02:27:56   (  -0.00, -75.22) (  -0.01, -75.22)    1.35                80
 12/27/2018   14:28:51   (   0.01, -75.28) (  -0.12, -74.80)   55.21                80
 12/29/2018   02:47:52   (  -0.01, -75.29) (  -0.94, -79.39)  467.77                80
 12/30/2018   02:24:34   (  -0.01, -75.30) (   0.17, -74.39)  103.39                80
 12/31/2018   14:43:27   (   0.01, -75.35) (   0.81, -78.96)  410.91                80
 01/01/2019   14:25:29   (   0.01, -75.38) (  -0.31, -73.97)  160.68                80
 01/03/2019   02:44:31   (  -0.01, -75.40) (  -0.69, -78.57)  361.07                80