Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 9 22.  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)
 09/23/2015   06:39:59   (   0.30,-135.22) (  -0.39,-138.18)  337.50                80
 09/24/2015   06:22:00   (   0.29,-135.21) (   0.76,-133.19)  230.82                80
 09/25/2015   18:38:11   (  -0.31,-135.26) (   0.24,-137.76)  284.35                80
 09/26/2015   18:20:10   (  -0.30,-135.25) (  -0.85,-132.76)  283.67                80
 09/28/2015   06:36:30   (   0.31,-135.16) (  -0.16,-137.36)  250.00                80
 09/29/2015   06:18:29   (   0.30,-135.14) (   0.92,-132.36)  317.57                80
 09/30/2015   18:34:40   (  -0.31,-135.18) (   0.06,-136.93)  198.62                80
 10/01/2015   18:16:40   (  -0.30,-135.16) (  -1.03,-131.93)  368.71                80
 10/03/2015   06:32:59   (   0.31,-135.07) (   0.01,-136.53)  165.81                80
 10/04/2015   06:14:59   (   0.30,-135.05) (   1.10,-131.53)  401.09                80
 10/05/2015   18:31:09   (  -0.31,-135.07) (  -0.06,-136.09)  116.08                80
 10/06/2015   18:13:10   (  -0.30,-135.05) (  -1.21,-131.10)  450.75                80