Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/31/2017   20:50:36   (  -0.02, -75.17) (  -0.55, -77.60)  276.63                80
 01/01/2018   20:41:44   (  -0.02, -75.16) (   0.04, -74.78)   43.04                80
 01/02/2018   20:30:14   (  -0.02, -75.15) (   0.70, -71.97)  362.67                80
 01/05/2018   08:51:31   (   0.02, -75.13) (   0.49, -77.03)  217.47                80
 01/06/2018   08:37:20   (   0.01, -75.13) (  -0.17, -74.22)  102.77                80
 01/07/2018   08:25:50   (   0.01, -75.13) (  -0.82, -71.42)  423.13                80
 01/08/2018   20:58:56   (  -0.01, -75.16) (  -0.97, -79.36)  479.32                80
 01/09/2018   20:47:26   (  -0.01, -75.17) (  -0.31, -76.56)  158.26                80
 01/10/2018   20:38:34   (  -0.01, -75.18) (   0.30, -73.74)  163.04                80
 01/11/2018   20:27:04   (  -0.01, -75.19) (   0.97, -70.94)  484.44                80
 01/13/2018   08:59:52   (   0.02, -75.18) (   0.88, -78.80)  413.33                80