Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 12 10.  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)
 12/11/2018   01:00:20   (   0.14,-128.53) (   0.35,-127.75)   90.04                80
 12/12/2018   00:48:44   (   0.13,-128.54) (   0.99,-124.92)  413.51                80
 12/13/2018   13:18:51   (  -0.15,-128.66) (   0.79,-132.77)  469.31                80
 12/14/2018   13:07:15   (  -0.14,-128.67) (   0.14,-129.95)  145.70                80
 12/15/2018   12:58:20   (  -0.14,-128.67) (  -0.52,-127.12)  177.79                80
 12/18/2018   01:19:37   (   0.15,-128.56) (  -0.70,-132.15)  410.62                80
 12/19/2018   01:05:22   (   0.15,-128.56) (  -0.06,-129.32)   87.92                80
 12/20/2018   00:55:38   (   0.14,-128.56) (   0.59,-126.49)  234.70                31
 12/22/2018   13:14:55   (  -0.14,-128.64) (   0.52,-131.51)  327.27                80
 12/23/2018   13:03:20   (  -0.13,-128.64) (  -0.14,-128.68)    5.47                80
 12/24/2018   12:54:23   (  -0.13,-128.62) (  -0.75,-125.84)  316.92                80