Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 12 18.  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)
 12/18/2018   21:42:41   (  -0.02, -75.16) (   0.00, -78.33)  352.86                 0
 12/19/2018   21:29:34   (  -0.03, -75.17) (  -0.05, -75.34)   19.28                80
 12/20/2018   21:20:38   (  -0.03, -75.18) (   0.59, -72.51)  304.62                80
 12/23/2018   09:41:46   (   0.03, -75.21) (   0.56, -77.52)  263.01                80
 12/24/2018   09:27:30   (   0.03, -75.22) (  -0.11, -74.69)   61.11                80
 12/25/2018   09:15:55   (   0.03, -75.23) (  -0.77, -71.86)  385.30                80
 12/27/2018   21:39:56   (  -0.04, -75.26) (  -0.40, -76.92)  189.37                80
 12/28/2018   21:25:40   (  -0.04, -75.27) (   0.25, -74.09)  135.44                80
 12/29/2018   21:14:05   (  -0.03, -75.29) (   0.90, -71.26)  460.41                80
 12/31/2018   09:49:26   (   0.04, -75.34) (   0.90, -79.09)  428.02                80
 01/01/2019   09:37:51   (   0.04, -75.36) (   0.23, -76.26)  102.56                80