Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 15.  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)
 12/16/2017   20:22:21   (  -0.01, -75.24) (   0.93, -71.24)  456.60                80
 12/18/2017   08:57:49   (   0.01, -75.20) (   0.89, -79.10)  445.28                80
 12/19/2017   08:46:19   (   0.02, -75.20) (   0.24, -76.30)  124.46                80
 12/20/2017   08:34:39   (   0.02, -75.21) (  -0.40, -73.49)  196.57                71
 12/22/2017   20:53:44   (  -0.03, -75.28) (  -0.81, -78.62)  381.66                80
 12/23/2017   20:42:13   (  -0.03, -75.29) (  -0.17, -75.82)   60.31                80
 12/24/2017   20:30:43   (  -0.03, -75.30) (   0.47, -73.01)  261.24                80
 12/27/2017   08:54:41   (   0.04, -75.29) (   0.65, -78.08)  317.06                80
 12/28/2017   08:40:30   (   0.04, -75.31) (   0.01, -75.27)    5.59                80
 12/29/2017   08:29:00   (   0.04, -75.32) (  -0.64, -72.47)  326.68                80