Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 4 30.  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)
 05/01/2015   06:44:02   (   0.06,-135.43) (  -0.51,-138.07)  301.20                80
 05/02/2015   06:20:43   (   0.06,-135.43) (   0.60,-133.08)  268.66                80
 05/03/2015   18:39:34   (  -0.06,-135.44) (   0.44,-137.64)  251.48                80
 05/04/2015   18:21:35   (  -0.06,-135.44) (  -0.68,-132.65)  318.15                80
 05/06/2015   06:40:35   (   0.07,-135.45) (  -0.31,-137.25)  204.44                80
 05/07/2015   06:17:16   (   0.07,-135.45) (   0.81,-132.26)  364.40                80
 05/08/2015   18:36:07   (  -0.08,-135.44) (   0.22,-136.82)  157.51                80
 05/09/2015   18:18:07   (  -0.08,-135.43) (  -0.91,-131.83)  411.15                80
 05/11/2015   06:37:07   (   0.09,-135.44) (  -0.12,-136.43)  112.37                80
 05/12/2015   06:13:46   (   0.08,-135.43) (   0.95,-131.42)  455.78                80
 05/13/2015   18:32:38   (  -0.09,-135.40) (   0.07,-135.99)   67.30                80