Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 6 19.  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)
 06/20/2016   06:36:38   (   0.12,-135.45) (  -0.10,-136.52)  121.81                80
 06/21/2016   06:13:18   (   0.13,-135.46) (   1.02,-131.53)  448.19                80
 06/22/2016   18:34:48   (  -0.12,-135.47) (   0.04,-136.08)   69.74                80
 06/25/2016   06:33:10   (   0.12,-135.49) (   0.10,-135.69)   22.05                80
 06/27/2016   18:28:41   (  -0.12,-135.50) (  -0.16,-135.25)   28.25                80
 06/29/2016   06:50:21   (   0.10,-135.51) (  -0.88,-139.84)  494.33                80
 06/30/2016   06:27:02   (   0.12,-135.50) (   0.24,-134.85)   74.27                80
 07/01/2016   18:48:33   (  -0.10,-135.49) (   0.75,-139.41)  446.16                80
 07/02/2016   18:25:14   (  -0.12,-135.49) (  -0.37,-134.42)  122.18                80