Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 9.  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)
 12/10/2019   17:53:21   (  -0.16,-128.13) (  -0.70,-125.61)  287.32                80
 12/12/2019   06:12:23   (   0.15,-128.09) (  -0.32,-130.20)  240.47                80
 12/13/2019   05:49:04   (   0.15,-128.06) (   0.80,-125.21)  324.75                80
 12/14/2019   18:07:56   (  -0.14,-128.00) (   0.24,-129.77)  201.22                80
 12/15/2019   17:49:57   (  -0.14,-127.96) (  -0.83,-124.77)  363.95                80
 12/17/2019   06:08:58   (   0.12,-127.91) (  -0.20,-129.36)  164.76                80
 12/18/2019   05:45:40   (   0.13,-127.87) (   0.93,-124.37)  399.86                80
 12/19/2019   18:07:11   (  -0.12,-127.81) (   0.16,-128.91)  127.08                80
 12/20/2019   17:46:33   (  -0.12,-127.77) (  -0.97,-123.92)  437.67                80
 12/22/2019   06:05:34   (   0.11,-127.71) (  -0.06,-128.52)   91.45                80
 12/23/2019   05:42:15   (   0.12,-127.67) (   1.07,-123.53)  472.69                80