Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 4 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)
 04/20/2016   18:35:30   (  -0.04,-135.41) (   0.26,-136.87)  165.90                80
 04/21/2016   18:17:31   (  -0.04,-135.41) (  -0.82,-131.87)  403.03                80
 04/23/2016   06:36:31   (   0.05,-135.37) (  -0.22,-136.47)  125.18                80
 04/24/2016   06:13:13   (   0.05,-135.37) (   0.93,-131.48)  443.08                80
 04/25/2016   18:32:05   (  -0.05,-135.39) (   0.11,-136.04)   75.08                80
 04/26/2016   18:14:07   (  -0.06,-135.38) (  -1.04,-131.06)  492.88                80
 04/28/2016   06:33:07   (   0.07,-135.33) (   0.01,-135.65)   36.53                80
 04/30/2016   18:31:21   (  -0.07,-135.32) (  -0.12,-135.23)   11.63                80
 05/03/2016   06:27:02   (   0.07,-135.24) (   0.19,-134.82)   48.31                80