Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 12 25.  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) (  -0.75,-138.82)  437.37                80
 12/26/2016   06:23:15   (   0.09,-134.94) (   0.34,-133.82)  127.58                80
 12/27/2016   18:44:48   (  -0.07,-134.88) (   0.69,-138.38)  398.17                80
 12/28/2016   18:21:28   (  -0.08,-134.85) (  -0.39,-133.38)  166.61                80
 12/30/2016   06:43:09   (   0.07,-134.79) (  -0.65,-137.97)  363.29                80
 12/31/2016   06:19:49   (   0.07,-134.74) (   0.44,-132.97)  200.93                80
 01/01/2017   18:41:21   (  -0.06,-134.67) (   0.59,-137.54)  326.23                80
 01/02/2017   18:18:03   (  -0.06,-134.63) (  -0.56,-132.55)  237.87                80
 01/04/2017   06:39:42   (   0.05,-134.56) (  -0.53,-137.13)  292.92                80
 01/05/2017   06:16:23   (   0.06,-134.51) (   0.56,-132.13)  270.57                80
 01/06/2017   18:37:55   (  -0.04,-134.43) (   0.48,-136.69)  258.07                80
 01/07/2017   18:14:37   (  -0.05,-134.38) (  -0.67,-131.71)  305.13                80