Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 1 14.  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)
 01/15/2018   06:10:15   (   0.03,-134.69) (   0.99,-130.52)  476.17                80
 01/16/2018   18:31:46   (  -0.02,-134.57) (   0.11,-135.06)   56.60                80
 01/19/2018   06:30:07   (   0.01,-134.50) (  -0.03,-134.66)   19.11                80
 01/21/2018   18:25:38   (  -0.00,-134.31) (  -0.04,-134.23)   10.82                80
 01/24/2018   06:23:58   (  -0.00,-134.23) (   0.08,-133.82)   46.42                80
 01/25/2018   18:42:50   (   0.00,-134.08) (   0.97,-138.37)  488.81                80
 01/26/2018   18:24:50   (  -0.00,-134.02) (  -0.14,-133.38)   73.49                80
 01/28/2018   06:41:09   (  -0.00,-133.98) (  -0.92,-137.96)  455.16                80