Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 3 18.  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)
 03/18/2018   18:11:30   (   0.00,-134.95) (  -0.72,-131.68)  371.77                80
 03/20/2018   06:27:47   (   0.00,-134.88) (  -0.33,-136.27)  159.62                80
 03/21/2018   06:09:45   (  -0.00,-134.84) (   0.77,-131.27)  405.65                80
 03/22/2018   18:25:54   (  -0.01,-134.79) (   0.25,-135.83)  119.61                80
 03/23/2018   18:07:52   (  -0.00,-134.74) (  -0.86,-130.83)  445.04                80
 03/25/2018   06:24:11   (   0.01,-134.66) (  -0.13,-135.44)   88.13                80
 03/26/2018   06:06:08   (   0.01,-134.61) (   0.91,-130.43)  476.18                80
 03/27/2018   18:22:16   (  -0.02,-134.55) (   0.10,-134.98)   50.30                80
 03/30/2018   06:20:32   (   0.02,-134.41) (  -0.04,-134.58)   19.84                80