Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 1 15.  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)
 01/16/2018   18:29:06   (  -0.02,-134.57) (   0.07,-135.07)   56.79                80
 01/19/2018   06:30:06   (   0.01,-134.49) (  -0.05,-134.66)   19.47                80
 01/21/2018   18:28:18   (  -0.00,-134.31) (  -0.02,-134.22)   10.15                80
 01/24/2018   06:23:58   (  -0.00,-134.22) (   0.06,-133.81)   45.97                80
 01/25/2018   18:42:49   (   0.01,-134.08) (   0.99,-138.37)  489.45                80
 01/26/2018   18:24:50   (   0.00,-134.02) (  -0.12,-133.37)   72.83                80
 01/28/2018   06:41:10   (  -0.00,-133.97) (  -0.88,-137.97)  455.90                80
 01/29/2018   06:20:31   (   0.00,-133.90) (   0.23,-132.98)  105.92                80