Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2019   18:10:36   (  -0.14,-128.01) (   0.25,-129.77)  200.13                80
 12/15/2019   17:49:58   (  -0.14,-127.98) (  -0.88,-124.78)  365.21                80
 12/17/2019   06:08:58   (   0.12,-127.92) (  -0.21,-129.36)  163.99                80
 12/18/2019   05:45:40   (   0.13,-127.88) (   0.92,-124.37)  400.84                80
 12/19/2019   18:07:12   (  -0.12,-127.83) (   0.11,-128.93)  124.95                80
 12/20/2019   17:46:32   (  -0.12,-127.79) (  -0.96,-123.92)  439.97                80
 12/22/2019   06:05:34   (   0.11,-127.73) (  -0.07,-128.52)   89.67                80
 12/23/2019   05:42:15   (   0.12,-127.69) (   1.06,-123.53)  474.66                80
 12/24/2019   18:03:47   (  -0.10,-127.62) (   0.02,-128.07)   52.26                80
 12/27/2019   06:02:09   (   0.10,-127.52) (   0.08,-127.68)   18.23                80