Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 12 13.  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)
 12/14/2018   13:07:15   (  -0.14,-128.67) (   0.13,-129.95)  145.58                80
 12/15/2018   12:58:20   (  -0.14,-128.67) (  -0.53,-127.12)  177.93                80
 12/18/2018   01:19:38   (   0.15,-128.56) (  -0.70,-132.15)  410.75                80
 12/19/2018   01:05:22   (   0.15,-128.56) (  -0.05,-129.32)   88.04                80
 12/20/2018   00:56:27   (   0.14,-128.55) (   0.59,-126.49)  234.57                80
 12/22/2018   13:14:55   (  -0.14,-128.65) (   0.51,-131.51)  327.11                80
 12/23/2018   13:03:20   (  -0.14,-128.64) (  -0.15,-128.68)    5.67                80
 12/24/2018   12:54:24   (  -0.13,-128.63) (  -0.76,-125.84)  317.08                80
 12/27/2018   01:15:44   (   0.14,-128.49) (  -0.40,-130.90)  275.28                80