Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 13.  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)
 06/13/2018   21:09:00   (  -0.00, -75.19) (   0.00, -76.54)  149.67                 0
 06/14/2018   20:58:42   (   0.00, -75.19) (   0.35, -73.65)  176.01                80
 06/15/2018   20:47:08   (   0.01, -75.20) (   0.99, -70.83)  497.87                80
 06/17/2018   09:20:00   (  -0.01, -75.21) (   0.78, -78.71)  399.77                80
 06/18/2018   09:08:27   (  -0.02, -75.21) (   0.15, -75.89)   77.61                80
 06/19/2018   08:54:15   (  -0.02, -75.22) (  -0.53, -73.08)  244.83                80
 06/21/2018   21:18:14   (   0.02, -75.25) (  -0.67, -78.14)  330.38                80
 06/22/2018   21:04:02   (   0.02, -75.26) (   0.04, -75.33)    7.77                80
 06/23/2018   20:52:28   (   0.03, -75.28) (   0.68, -72.51)  316.28                80
 06/26/2018   09:16:28   (  -0.03, -75.33) (   0.48, -77.57)  256.17                80
 06/27/2018   09:02:15   (  -0.04, -75.35) (  -0.16, -74.75)   67.49                80