Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 1 20.  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)
 01/20/2016   18:20:07   (  -0.01,-134.97) (  -0.54,-132.57)  273.29                80
 01/22/2016   06:39:07   (  -0.00,-135.04) (  -0.49,-137.16)  242.90                80
 01/23/2016   06:15:49   (   0.00,-135.06) (   0.67,-132.18)  329.12                80
 01/24/2016   18:34:40   (   0.01,-135.09) (   0.40,-136.73)  187.30                80
 01/25/2016   18:16:42   (   0.01,-135.12) (  -0.76,-131.74)  385.17                80
 01/27/2016   06:35:42   (  -0.02,-135.18) (  -0.27,-136.33)  131.11                80
 01/28/2016   06:12:23   (  -0.01,-135.21) (   0.83,-131.34)  440.59                80
 01/29/2016   18:31:15   (   0.02,-135.22) (   0.16,-135.90)   76.94                80
 01/30/2016   18:13:15   (   0.02,-135.25) (  -0.94,-130.90)  494.93                80
 02/01/2016   06:32:16   (  -0.02,-135.30) (  -0.09,-135.49)   22.18                80