Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 5 9.  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)
 05/11/2015   06:37:08   (   0.09,-135.43) (  -0.13,-136.43)  113.48                80
 05/12/2015   06:13:48   (   0.09,-135.42) (   1.00,-131.43)  454.56                80
 05/13/2015   18:32:39   (  -0.09,-135.39) (   0.03,-136.00)   68.65                80
 05/14/2015   18:14:40   (  -0.09,-135.38) (  -1.09,-131.00)  499.37                80
 05/16/2015   06:33:39   (   0.09,-135.38) (   0.05,-135.60)   24.89                80
 05/18/2015   18:31:50   (  -0.09,-135.32) (  -0.10,-135.16)   18.35                80
 05/21/2015   06:27:30   (   0.10,-135.30) (   0.21,-134.76)   60.46                80
 05/22/2015   18:46:21   (  -0.10,-135.25) (   0.81,-139.33)  464.99                80