Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2018 6 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)
 06/21/2018   14:37:14   (   0.00, -75.20) (   0.47, -77.36)  245.96                80
 06/22/2018   14:19:13   (   0.00, -75.21) (  -0.63, -72.36)  324.19                80
 06/24/2018   02:38:12   (  -0.00, -75.22) (  -0.37, -76.96)  198.41                80
 06/25/2018   02:14:52   (  -0.01, -75.23) (   0.73, -71.96)  372.00                80
 06/26/2018   14:36:22   (   0.01, -75.25) (   0.32, -76.52)  145.22                80
 06/27/2018   14:13:03   (   0.00, -75.27) (  -0.84, -71.53)  425.49                80
 06/29/2018   02:34:41   (  -0.00, -75.28) (  -0.22, -76.12)   96.24                80
 06/30/2018   02:11:22   (   0.00, -75.30) (   0.94, -71.14)  474.64                80
 07/01/2018   14:32:52   (  -0.00, -75.33) (   0.11, -75.69)   41.75                80
 07/04/2018   02:28:31   (   0.01, -75.38) (  -0.00, -75.30)    9.55                80