Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 12 5.  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)
 12/06/2017   18:24:17   (  -0.15,-135.36) (  -0.42,-134.23)  128.70                80
 12/08/2017   06:43:16   (   0.14,-135.41) (  -0.61,-138.83)  389.06                80
 12/09/2017   06:19:54   (   0.14,-135.42) (   0.47,-133.83)  180.79                80
 12/10/2017   18:38:44   (  -0.13,-135.39) (   0.54,-138.38)  341.33                80
 12/11/2017   18:20:43   (  -0.13,-135.40) (  -0.59,-133.39)  229.01                80
 12/13/2017   06:39:41   (   0.12,-135.45) (  -0.43,-137.99)  288.65                80
 12/14/2017   06:16:20   (   0.13,-135.46) (   0.65,-132.99)  280.78                80
 12/15/2017   18:35:09   (  -0.12,-135.42) (   0.36,-137.54)  242.75                80
 12/16/2017   18:17:09   (  -0.12,-135.42) (  -0.78,-132.55)  326.95                80
 12/18/2017   06:36:06   (   0.11,-135.47) (  -0.29,-137.14)  191.20                80
 12/19/2017   06:12:46   (   0.11,-135.46) (   0.85,-132.15)  377.55                80