Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 8.  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)
 01/08/2018   18:38:08   (  -0.03,-134.91) (   0.76,-138.36)  393.40                80
 01/09/2018   18:20:08   (  -0.03,-134.88) (  -0.36,-133.37)  171.95                80
 01/11/2018   06:39:06   (   0.03,-134.87) (  -0.65,-137.96)  352.79                80
 01/12/2018   06:15:46   (   0.03,-134.83) (   0.47,-132.97)  211.98                80
 01/13/2018   18:34:35   (  -0.03,-134.72) (   0.60,-137.52)  319.60                80
 01/14/2018   18:16:35   (  -0.03,-134.68) (  -0.52,-132.53)  245.03                80
 01/16/2018   06:35:32   (   0.02,-134.66) (  -0.55,-137.12)  280.64                80
 01/17/2018   06:12:11   (   0.03,-134.61) (   0.57,-132.12)  283.50                80
 01/18/2018   18:31:02   (  -0.02,-134.49) (   0.44,-136.69)  249.31                80
 01/19/2018   18:13:00   (  -0.02,-134.45) (  -0.62,-131.68)  314.78                80
 01/21/2018   06:31:58   (   0.01,-134.42) (  -0.39,-136.28)  211.54                80
 01/22/2018   06:08:37   (   0.01,-134.37) (   0.68,-131.27)  352.04                80