Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 5 1.  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)
 05/02/2015   06:20:43   (   0.05,-135.43) (   0.58,-133.08)  268.22                80
 05/03/2015   18:39:35   (  -0.06,-135.43) (   0.41,-137.65)  251.81                80
 05/04/2015   18:21:34   (  -0.06,-135.44) (  -0.65,-132.64)  317.78                80
 05/06/2015   06:40:35   (   0.07,-135.45) (  -0.34,-137.25)  205.10                80
 05/07/2015   06:17:15   (   0.07,-135.45) (   0.78,-132.25)  363.67                80
 05/08/2015   18:36:07   (  -0.08,-135.43) (   0.25,-136.82)  158.14                80
 05/09/2015   18:18:07   (  -0.08,-135.43) (  -0.88,-131.82)  410.46                80
 05/11/2015   06:37:06   (   0.08,-135.43) (  -0.16,-136.42)  113.35                80
 05/12/2015   06:13:47   (   0.08,-135.42) (   0.98,-131.43)  454.74                80
 05/13/2015   18:32:38   (  -0.09,-135.39) (   0.04,-135.99)   68.17                80
 05/14/2015   18:14:39   (  -0.09,-135.38) (  -1.09,-131.00)  499.90                80