Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 2 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 02/22/2018   06:23:58   (  -0.03,-135.43) (   0.31,-133.88)  176.93                80
 02/23/2018   18:42:50   (   0.03,-135.42) (   0.68,-138.45)  344.43                80
 02/24/2018   18:24:50   (   0.03,-135.42) (  -0.44,-133.46)  224.09                80
 02/26/2018   06:43:50   (  -0.02,-135.41) (  -0.61,-138.05)  300.29                80
 02/27/2018   06:20:30   (  -0.03,-135.40) (   0.51,-133.05)  267.78                80
 02/28/2018   18:39:22   (   0.03,-135.38) (   0.53,-137.61)  254.67                80
 03/01/2018   18:21:22   (   0.03,-135.37) (  -0.59,-132.62)  313.42                80
 03/03/2018   06:37:41   (  -0.03,-135.36) (  -0.46,-137.21)  211.29                80
 03/04/2018   06:17:02   (  -0.04,-135.35) (   0.66,-132.22)  356.53                80
 03/05/2018   18:35:53   (   0.03,-135.32) (   0.38,-136.77)  166.56                80
 03/06/2018   18:17:54   (   0.03,-135.30) (  -0.74,-131.78)  401.06                80