Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2018 12 21.  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)
 12/22/2018   14:29:33   (  -0.01, -75.22) (   0.06, -75.63)   46.50                80
 12/25/2018   02:27:56   (  -0.00, -75.22) (  -0.01, -75.22)    1.48                80
 12/27/2018   14:28:51   (   0.01, -75.27) (  -0.12, -74.80)   54.46                80
 12/29/2018   02:47:52   (  -0.01, -75.28) (  -0.95, -79.39)  468.71                80
 12/30/2018   02:24:34   (  -0.01, -75.29) (   0.17, -74.39)  102.35                80
 12/31/2018   14:43:27   (   0.01, -75.34) (   0.81, -78.96)  412.10                80
 01/01/2019   14:25:29   (   0.01, -75.36) (  -0.31, -73.97)  159.39                80
 01/03/2019   02:41:50   (  -0.01, -75.38) (  -0.75, -78.56)  362.55                80
 01/04/2019   02:21:12   (  -0.02, -75.41) (   0.37, -73.56)  209.23                80