Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 1 29.  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)
 01/30/2018   18:39:27   (   0.01,-135.12) (   0.54,-137.60)  281.37                80
 01/31/2018   18:21:27   (   0.02,-135.15) (  -0.57,-132.60)  291.18                80
 02/02/2018   06:40:26   (  -0.03,-135.20) (  -0.49,-137.19)  226.55                80
 02/03/2018   06:17:07   (  -0.03,-135.23) (   0.63,-132.20)  345.43                80
 02/04/2018   18:35:59   (   0.03,-135.26) (   0.37,-136.76)  171.07                80
 02/05/2018   18:18:00   (   0.02,-135.29) (  -0.75,-131.77)  400.98                80
 02/07/2018   06:37:00   (  -0.02,-135.34) (  -0.25,-136.37)  117.22                80
 02/08/2018   06:13:41   (  -0.02,-135.36) (   0.87,-131.38)  454.22                80
 02/09/2018   18:32:33   (   0.02,-135.38) (   0.13,-135.95)   63.59                80
 02/12/2018   06:33:33   (  -0.00,-135.45) (  -0.06,-135.54)   12.04                80