Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 14.  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)
 12/15/2017   20:36:30   (  -0.01, -75.23) (   0.24, -74.03)  135.94                80
 12/16/2017   20:25:01   (  -0.01, -75.23) (   0.93, -71.24)  455.88                80
 12/18/2017   08:57:48   (   0.02, -75.18) (   0.94, -79.09)  446.94                80
 12/19/2017   08:46:18   (   0.02, -75.18) (   0.30, -76.29)  126.65                80
 12/20/2017   08:32:07   (   0.02, -75.18) (  -0.34, -73.48)  193.81                80
 12/22/2017   20:56:24   (  -0.03, -75.24) (  -0.82, -78.62)  385.69                80
 12/23/2017   20:44:53   (  -0.03, -75.25) (  -0.18, -75.82)   64.93                80
 12/24/2017   20:30:43   (  -0.02, -75.26) (   0.47, -73.01)  256.05                80
 12/27/2017   08:54:41   (   0.03, -75.24) (   0.66, -78.08)  323.60                80
 12/28/2017   08:40:30   (   0.03, -75.25) (   0.02, -75.27)    2.85                80