Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 10.  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)
 10/10/2018   06:03:31   (   0.29,-135.60) (   1.23,-131.46)  471.52                80
 10/11/2018   18:19:39   (  -0.30,-135.65) (  -0.19,-136.02)   42.85                80
 10/14/2018   06:17:54   (   0.30,-135.57) (   0.26,-135.62)    6.97                80
 10/16/2018   18:18:42   (  -0.30,-135.60) (  -0.41,-135.20)   46.01                80
 10/18/2018   06:37:38   (   0.31,-135.52) (  -0.64,-139.79)  485.95                80
 10/19/2018   06:14:17   (   0.30,-135.50) (   0.49,-134.79)   81.57                80
 10/20/2018   18:33:05   (  -0.31,-135.53) (   0.54,-139.36)  436.21                80
 10/21/2018   18:15:03   (  -0.30,-135.51) (  -0.59,-134.36)  131.62                80
 10/23/2018   06:34:00   (   0.31,-135.44) (  -0.46,-138.95)  400.53                80