Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 13.  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)
 12/14/2017   20:48:00   (  -0.02, -75.23) (  -0.40, -76.84)  184.07                80
 12/15/2017   20:33:50   (  -0.02, -75.22) (   0.23, -74.03)  135.67                80
 12/16/2017   20:22:21   (  -0.02, -75.22) (   0.92, -71.24)  455.43                80
 12/18/2017   08:57:48   (   0.03, -75.18) (   0.96, -79.09)  447.38                80
 12/19/2017   08:46:18   (   0.02, -75.18) (   0.26, -76.30)  127.31                80
 12/20/2017   08:32:08   (   0.02, -75.18) (  -0.38, -73.49)  192.92                80
 12/22/2017   20:56:24   (  -0.02, -75.23) (  -0.83, -78.62)  387.16                80
 12/23/2017   20:44:54   (  -0.02, -75.24) (  -0.13, -75.83)   66.55                80
 12/24/2017   20:30:44   (  -0.02, -75.25) (   0.51, -73.02)  254.27                80
 12/27/2017   08:54:41   (   0.02, -75.22) (   0.68, -78.07)  325.41                80