Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2018   13:03:20   (  -0.14,-128.66) (  -0.13,-128.68)    2.43                80
 12/24/2018   12:54:24   (  -0.13,-128.65) (  -0.79,-125.85)  319.98                80
 12/27/2018   01:15:44   (   0.14,-128.52) (  -0.43,-130.90)  272.09                80
 12/28/2018   01:01:28   (   0.13,-128.51) (   0.22,-128.07)   49.79                80
 12/29/2018   00:49:53   (   0.13,-128.50) (   0.87,-125.24)  371.58                80
 12/31/2018   13:10:59   (  -0.14,-128.57) (   0.28,-130.24)  190.38                80
 01/01/2019   13:02:03   (  -0.13,-128.56) (  -0.39,-127.41)  131.50                80
 01/02/2019   12:50:28   (  -0.13,-128.55) (  -1.06,-124.58)  453.29                80
 01/04/2019   01:23:25   (   0.13,-128.42) (  -0.79,-132.47)  461.35                80
 01/05/2019   01:11:49   (   0.12,-128.41) (  -0.19,-129.63)  140.17                80