Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 12 9.  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)
 12/10/2018   01:09:14   (   0.14,-128.53) (  -0.35,-130.57)  233.65                80
 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)  413.53                80
 12/13/2018   13:18:51   (  -0.15,-128.66) (   0.80,-132.77)  469.32                80
 12/14/2018   13:07:15   (  -0.14,-128.67) (   0.14,-129.94)  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) (  -0.71,-132.15)  410.54                80
 12/19/2018   01:08:03   (   0.15,-128.56) (  -0.01,-129.34)   87.85                80
 12/20/2018   00:56:28   (   0.14,-128.56) (   0.64,-126.51)  234.79                80
 12/22/2018   13:14:55   (  -0.14,-128.65) (   0.54,-131.51)  327.24                80
 12/23/2018   13:03:20   (  -0.13,-128.64) (  -0.13,-128.68)    5.02                80