Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 7 21.  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)
 07/21/2016   18:34:39   (  -0.05,-135.26) (   0.10,-136.05)   89.42                80
 07/22/2016   18:11:20   (  -0.08,-135.23) (  -1.02,-131.05)  476.28                80
 07/24/2016   06:32:59   (   0.05,-135.18) (  -0.05,-135.64)   52.78                80
 07/26/2016   18:31:10   (  -0.04,-135.10) (  -0.03,-135.20)   10.59                80
 07/29/2016   06:26:50   (   0.03,-135.00) (   0.10,-134.79)   24.24                80
 07/31/2016   18:25:01   (  -0.03,-134.91) (  -0.17,-134.35)   64.37                80
 08/02/2016   06:46:39   (  -0.01,-134.84) (  -0.94,-138.93)  466.28                80
 08/03/2016   06:23:19   (   0.02,-134.80) (   0.20,-133.94)   97.81                80