Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 11 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)
 11/20/2015   06:42:07   (   0.22,-135.43) (  -0.35,-138.08)  301.78                80
 11/21/2015   06:18:48   (   0.23,-135.44) (   0.76,-133.09)  267.51                80
 11/22/2015   18:40:22   (  -0.22,-135.48) (   0.24,-137.65)  246.67                80
 11/23/2015   18:17:03   (  -0.23,-135.49) (  -0.87,-132.66)  322.64                80
 11/25/2015   06:38:44   (   0.21,-135.45) (  -0.19,-137.25)  204.98                80
 11/26/2015   06:15:26   (   0.22,-135.45) (   0.92,-132.26)  363.56                80
 11/27/2015   18:34:19   (  -0.20,-135.48) (   0.08,-136.82)  152.00                80
 11/28/2015   18:16:21   (  -0.21,-135.48) (  -1.04,-131.83)  416.73                80
 11/30/2015   06:35:22   (   0.19,-135.44) (  -0.01,-136.42)  111.25                80
 12/01/2015   06:12:04   (   0.20,-135.43) (   1.11,-131.43)  456.88                80
 12/02/2015   18:33:36   (  -0.18,-135.46) (  -0.05,-135.98)   59.65                80