Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 9 20.  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)
 09/20/2015   18:41:40   (  -0.30,-135.30) (   0.46,-138.58)  373.51                80
 09/21/2015   18:23:41   (  -0.29,-135.30) (  -0.69,-133.59)  195.39                80
 09/23/2015   06:40:00   (   0.30,-135.22) (  -0.33,-138.19)  337.18                80
 09/24/2015   06:21:59   (   0.29,-135.21) (   0.76,-133.19)  231.16                80
 09/25/2015   18:38:11   (  -0.31,-135.26) (   0.24,-137.76)  284.10                80
 09/26/2015   18:20:10   (  -0.30,-135.25) (  -0.85,-132.76)  283.96                80
 09/28/2015   06:36:30   (   0.31,-135.17) (  -0.17,-137.36)  249.50                80
 09/29/2015   06:18:29   (   0.30,-135.15) (   0.92,-132.36)  318.10                80
 09/30/2015   18:34:40   (  -0.31,-135.19) (   0.06,-136.93)  198.19                80
 10/01/2015   18:16:40   (  -0.30,-135.17) (  -1.03,-131.93)  369.19                80
 10/03/2015   06:32:59   (   0.31,-135.07) (   0.01,-136.53)  165.10                80
 10/04/2015   06:14:59   (   0.30,-135.05) (   1.11,-131.53)  401.84                80