Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 12 21.  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)
 12/23/2018   09:41:46   (   0.01, -75.22) (   0.57, -77.51)  262.46                80
 12/24/2018   09:27:30   (   0.02, -75.23) (  -0.09, -74.69)   61.66                80
 12/25/2018   09:15:55   (   0.03, -75.24) (  -0.76, -71.86)  385.84                80
 12/27/2018   21:37:16   (  -0.03, -75.26) (  -0.41, -76.92)  189.35                80
 12/28/2018   21:28:20   (  -0.04, -75.27) (   0.24, -74.09)  135.40                80
 12/29/2018   21:16:45   (  -0.04, -75.29) (   0.89, -71.26)  460.32                80
 12/31/2018   09:49:26   (   0.04, -75.34) (   0.91, -79.09)  428.06                80
 01/01/2019   09:37:51   (   0.04, -75.36) (   0.24, -76.26)  102.69                80
 01/02/2019   09:23:35   (   0.04, -75.38) (  -0.43, -73.43)  222.84                80