Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 29.  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   20:50:35   (  -0.02, -75.19) (  -0.60, -77.58)  274.22                80
 01/01/2018   20:41:45   (  -0.03, -75.19) (   0.05, -74.78)   45.96                80
 01/02/2018   20:30:14   (  -0.03, -75.19) (   0.71, -71.98)  366.19                80
 01/05/2018   08:51:31   (   0.04, -75.17) (   0.48, -77.03)  212.47                80
 01/06/2018   08:37:20   (   0.04, -75.17) (  -0.17, -74.22)  108.33                80
 01/07/2018   08:25:50   (   0.04, -75.18) (  -0.82, -71.42)  429.32                80
 01/08/2018   20:58:55   (  -0.04, -75.22) (  -1.03, -79.35)  472.40                80
 01/09/2018   20:47:25   (  -0.05, -75.23) (  -0.36, -76.55)  150.79                80
 01/10/2018   20:38:34   (  -0.05, -75.24) (   0.30, -73.75)  170.98                80
 01/11/2018   20:27:04   (  -0.05, -75.26) (   0.97, -70.94)  492.89                80