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   18:38:09   (  -0.03,-134.91) (   0.74,-138.36)  393.40                80
 01/09/2018   18:20:08   (  -0.03,-134.88) (  -0.38,-133.37)  171.95                80
 01/11/2018   06:39:06   (   0.03,-134.87) (  -0.64,-137.97)  352.81                80
 01/12/2018   06:15:45   (   0.03,-134.83) (   0.43,-132.96)  211.97                80
 01/13/2018   18:34:35   (  -0.03,-134.72) (   0.58,-137.53)  319.62                80
 01/14/2018   18:16:34   (  -0.03,-134.68) (  -0.48,-132.52)  245.04                80
 01/16/2018   06:35:32   (   0.02,-134.66) (  -0.53,-137.12)  280.64                80
 01/17/2018   06:12:12   (   0.03,-134.61) (   0.59,-132.13)  283.50                80
 01/18/2018   18:31:01   (  -0.02,-134.49) (   0.48,-136.68)  249.30                80
 01/19/2018   18:13:00   (  -0.02,-134.45) (  -0.64,-131.68)  314.77                80
 01/21/2018   06:31:58   (   0.01,-134.42) (  -0.43,-136.27)  211.56                80
 01/22/2018   06:08:37   (   0.01,-134.37) (   0.70,-131.28)  352.02                80