Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 6 28.  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)
 06/29/2015   06:20:02   (   0.11,-134.76) (   0.51,-133.04)  195.90                80
 06/30/2015   18:41:31   (  -0.09,-134.77) (   0.53,-137.59)  321.59                80
 07/01/2015   18:18:11   (  -0.11,-134.80) (  -0.59,-132.60)  250.47                80
 07/03/2015   06:39:50   (   0.09,-134.87) (  -0.42,-137.20)  264.60                80
 07/04/2015   06:16:30   (   0.11,-134.90) (   0.70,-132.20)  307.04                80
 07/05/2015   18:37:59   (  -0.09,-134.90) (   0.34,-136.75)  211.63                80
 07/06/2015   18:14:39   (  -0.11,-134.92) (  -0.84,-131.77)  359.71                80
 07/08/2015   06:36:18   (   0.09,-134.99) (  -0.22,-136.36)  156.24                80
 07/09/2015   06:12:57   (   0.11,-135.00) (   0.90,-131.36)  414.84                80
 07/10/2015   18:34:27   (  -0.08,-135.00) (   0.13,-135.91)  104.65                80
 07/11/2015   18:11:06   (  -0.10,-135.01) (  -0.99,-130.92)  466.01                80