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   (   0.02, -79.28) (   0.93, -83.12)  439.19                80
 12/09/2017   08:58:26   (   0.02, -77.95) (   0.53, -80.26)  263.12                80
 12/10/2017   08:46:51   (   0.01, -76.63) (   0.19, -77.39)   86.80                80
 12/11/2017   08:37:55   (   0.01, -75.30) (  -0.16, -74.52)   89.50                80
 12/12/2017   08:26:20   (   0.01, -73.98) (  -0.50, -71.64)  266.25                80
 12/13/2017   08:14:45   (   0.01, -72.66) (  -0.91, -68.78)  443.16                80
 12/16/2017   20:21:53   (  -0.03, -68.01) (  -0.70, -70.87)  326.05                80
 12/17/2017   20:10:17   (  -0.03, -66.70) (  -0.36, -67.99)  148.57                80
 12/18/2017   20:01:23   (  -0.03, -65.38) (   0.05, -65.13)   28.91                80
 12/19/2017   19:49:47   (  -0.03, -64.07) (   0.39, -62.26)  206.61                80
 12/20/2017   19:38:12   (  -0.03, -62.75) (   0.74, -59.38)  384.52                80