Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 7.  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)
 12/08/2017   09:10:01   (   0.01, -79.29) (   0.93, -83.12)  439.02                80
 12/09/2017   08:58:26   (   0.00, -77.96) (   0.53, -80.26)  262.80                80
 12/10/2017   08:46:51   (   0.00, -76.64) (   0.19, -77.39)   86.31                80
 12/11/2017   08:37:55   (  -0.00, -75.31) (  -0.16, -74.52)   90.24                80
 12/12/2017   08:26:21   (  -0.00, -73.99) (  -0.56, -71.66)  267.16                80
 12/13/2017   08:14:45   (  -0.00, -72.67) (  -0.91, -68.78)  444.31                80
 12/16/2017   20:21:53   (  -0.02, -68.04) (  -0.70, -70.87)  323.19                80
 12/17/2017   20:10:18   (  -0.02, -66.73) (  -0.30, -68.00)  145.43                80
 12/18/2017   20:01:23   (  -0.02, -65.41) (   0.04, -65.13)   32.17                80
 12/19/2017   19:49:47   (  -0.02, -64.10) (   0.38, -62.26)  210.16                80
 12/20/2017   19:38:13   (  -0.02, -62.79) (   0.79, -59.40)  388.27                80