Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 8 21.  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)
 08/21/2015   06:25:40   (   0.16,-134.76) (   0.34,-133.92)   95.94                80
 08/22/2015   18:41:52   (  -0.19,-134.77) (   0.61,-138.50)  424.34                80
 08/23/2015   18:23:52   (  -0.17,-134.74) (  -0.46,-133.49)  141.92                80
 08/25/2015   06:40:11   (   0.20,-134.64) (  -0.59,-138.09)  393.77                80
 08/26/2015   06:22:12   (   0.18,-134.60) (   0.54,-133.10)  171.82                80
 08/27/2015   18:38:23   (  -0.21,-134.59) (   0.48,-137.66)  350.11                80
 08/28/2015   18:20:23   (  -0.19,-134.55) (  -0.59,-132.66)  215.23                80
 08/30/2015   06:36:43   (   0.23,-134.45) (  -0.39,-137.27)  321.37                80
 08/31/2015   06:18:42   (   0.21,-134.40) (   0.69,-132.27)  243.47                80
 09/01/2015   18:34:54   (  -0.24,-134.38) (   0.33,-136.83)  279.57                80
 09/02/2015   18:16:54   (  -0.22,-134.34) (  -0.80,-131.84)  285.18                80