Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 12 1.  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)
 12/03/2017   06:46:50   (   0.16,-135.36) (  -0.80,-139.67)  490.95                80
 12/04/2017   06:23:29   (   0.16,-135.37) (   0.33,-134.68)   79.35                80
 12/05/2017   18:42:18   (  -0.15,-135.34) (   0.73,-139.22)  442.54                80
 12/06/2017   18:24:17   (  -0.15,-135.36) (  -0.40,-134.23)  128.10                80
 12/08/2017   06:43:16   (   0.14,-135.42) (  -0.63,-138.83)  388.77                80
 12/09/2017   06:19:55   (   0.14,-135.42) (   0.51,-133.83)  181.00                80
 12/10/2017   18:38:43   (  -0.13,-135.38) (   0.56,-138.38)  342.15                80
 12/11/2017   18:20:43   (  -0.13,-135.39) (  -0.57,-133.39)  228.17                80
 12/13/2017   06:39:41   (   0.12,-135.45) (  -0.44,-137.99)  288.57                80
 12/14/2017   06:16:21   (   0.13,-135.45) (   0.69,-132.99)  280.79                80
 12/15/2017   18:35:09   (  -0.12,-135.41) (   0.38,-137.54)  243.81                80