Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 21.  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)
 06/22/2018   21:04:01   (   0.01, -75.19) (   0.01, -75.32)   14.80                80
 06/23/2018   20:55:08   (   0.02, -75.19) (   0.66, -72.50)  307.40                80
 06/26/2018   09:16:28   (  -0.02, -75.21) (   0.50, -77.56)  267.89                80
 06/27/2018   09:02:14   (  -0.02, -75.22) (  -0.14, -74.74)   54.46                80
 06/28/2018   08:50:41   (  -0.02, -75.23) (  -0.78, -71.92)  376.93                80
 06/30/2018   21:12:00   (   0.02, -75.24) (  -0.38, -76.98)  198.69                80
 07/01/2018   21:03:06   (   0.02, -75.25) (   0.27, -74.16)  124.43                80
 07/02/2018   20:51:33   (   0.02, -75.27) (   0.92, -71.34)  447.71                80
 07/04/2018   09:21:46   (  -0.02, -75.30) (   0.91, -79.22)  448.20                80
 07/05/2018   09:10:14   (  -0.02, -75.32) (   0.21, -76.41)  124.64                80