Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 12 6.  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)
 12/06/2018   09:38:00   (   0.00, -75.18) (   0.44, -77.21)  231.37                80
 12/07/2018   09:23:45   (   0.00, -75.18) (  -0.21, -74.39)   92.01                80
 12/08/2018   09:12:10   (   0.00, -75.19) (  -0.87, -71.56)  415.45                80
 12/09/2018   21:45:01   (  -0.01, -75.20) (  -1.02, -79.41)  482.08                80
 12/10/2018   21:33:26   (  -0.01, -75.21) (  -0.32, -76.60)  158.32                80
 12/11/2018   21:24:31   (  -0.02, -75.21) (   0.32, -73.76)  165.62                80
 12/12/2018   21:12:55   (  -0.02, -75.23) (   0.96, -70.93)  489.68                80
 12/14/2018   09:45:41   (   0.03, -75.25) (   0.87, -78.77)  403.43                80
 12/15/2018   09:34:05   (   0.03, -75.26) (   0.21, -75.94)   78.93                80
 12/16/2018   09:19:50   (   0.03, -75.28) (  -0.44, -73.12)  245.82                80
 12/18/2018   21:42:56   (  -0.03, -75.32) (  -0.67, -78.18)  326.21                26
 12/19/2018   21:32:14   (  -0.04, -75.33) (  -0.03, -75.35)    1.97                80