Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2018   17:34:28   (  -0.17,-128.62) (  -1.01,-124.86)  428.16                80
 12/17/2018   05:53:25   (   0.16,-128.62) (  -0.04,-129.45)   94.82                80
 12/18/2018   05:30:03   (   0.17,-128.62) (   1.10,-124.46)  473.78                80
 12/19/2018   17:48:50   (  -0.15,-128.61) (  -0.07,-129.02)   46.81                80
 12/22/2018   05:47:05   (   0.15,-128.61) (   0.17,-128.62)    3.40                80
 12/24/2018   17:47:50   (  -0.13,-128.56) (  -0.22,-128.18)   43.49                80
 12/26/2018   06:06:46   (   0.12,-128.57) (  -0.81,-132.77)  478.89                80
 12/27/2018   05:43:24   (   0.12,-128.55) (   0.27,-127.77)   88.41                80
 12/28/2018   18:02:12   (  -0.11,-128.50) (   0.71,-132.34)  436.96                80