Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 12 23.  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)
 12/25/2016   06:46:35   (   0.08,-134.98) (  -0.77,-138.82)  437.40                80
 12/26/2016   06:23:15   (   0.09,-134.94) (   0.32,-133.82)  127.60                80
 12/27/2016   18:44:47   (  -0.07,-134.89) (   0.71,-138.38)  398.01                80
 12/28/2016   18:21:29   (  -0.08,-134.85) (  -0.43,-133.39)  166.83                80
 12/30/2016   06:43:08   (   0.07,-134.79) (  -0.67,-137.97)  363.14                80
 12/31/2016   06:19:50   (   0.07,-134.75) (   0.48,-132.98)  201.10                80
 01/01/2017   18:41:22   (  -0.06,-134.68) (   0.55,-137.54)  325.91                80
 01/02/2017   18:18:03   (  -0.06,-134.63) (  -0.54,-132.54)  238.22                80
 01/04/2017   06:39:43   (   0.05,-134.56) (  -0.50,-137.14)  292.60                80
 01/05/2017   06:16:23   (   0.06,-134.52) (   0.59,-132.14)  270.92                80
 01/06/2017   18:37:56   (  -0.04,-134.43) (   0.44,-136.70)  257.59                80