Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 1 22.  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)
 01/23/2018   08:42:30   (   0.03, -75.20) (  -0.01, -74.95)   28.31                80
 01/24/2018   08:31:00   (   0.03, -75.21) (  -0.67, -72.15)  350.18                80
 01/26/2018   20:52:31   (  -0.04, -75.26) (  -0.48, -77.26)  227.70                80
 01/27/2018   20:43:39   (  -0.04, -75.28) (   0.14, -74.45)   94.68                80
 01/28/2018   20:32:08   (  -0.05, -75.30) (   0.77, -71.64)  417.15                80
 01/30/2018   09:05:00   (   0.05, -75.32) (   1.05, -79.51)  479.71                80
 01/31/2018   08:53:30   (   0.06, -75.34) (   0.38, -76.71)  157.13                80
 02/01/2018   08:39:19   (   0.06, -75.36) (  -0.29, -73.91)  165.64                80
 02/02/2018   08:27:48   (   0.06, -75.38) (  -0.90, -71.10)  488.60                80
 02/03/2018   21:00:47   (  -0.06, -75.43) (  -0.90, -79.01)  408.93                80
 02/04/2018   20:49:15   (  -0.06, -75.46) (  -0.26, -76.20)   85.25                80