Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 12 14.  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)
 12/15/2018   09:34:05   (   0.03, -75.15) (   0.23, -75.94)   91.19                80
 12/16/2018   09:19:49   (   0.03, -75.15) (  -0.43, -73.11)  232.31                80
 12/18/2018   21:43:48   (  -0.03, -75.16) (  -0.75, -78.16)  343.03                80
 12/19/2018   21:32:14   (  -0.03, -75.17) (  -0.05, -75.34)   19.57                80
 12/20/2018   21:17:58   (  -0.04, -75.17) (   0.60, -72.51)  304.33                80
 12/23/2018   09:41:46   (   0.04, -75.20) (   0.56, -77.52)  264.09                80
 12/24/2018   09:27:30   (   0.05, -75.21) (  -0.05, -74.68)   59.96                80
 12/25/2018   09:15:54   (   0.05, -75.22) (  -0.71, -71.85)  383.95                80
 12/27/2018   21:39:55   (  -0.05, -75.24) (  -0.46, -76.91)  190.53                80