Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 1 24.  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)
 01/25/2018   18:42:52   (   0.01,-134.96) (   0.80,-138.41)  393.93                80
 01/26/2018   18:24:54   (   0.00,-134.99) (  -0.37,-133.43)  179.03                80
 01/28/2018   06:43:54   (  -0.01,-135.06) (  -0.64,-138.03)  337.50                80
 01/29/2018   06:20:35   (  -0.00,-135.09) (   0.47,-133.03)  234.69                80
 01/30/2018   18:39:26   (   0.01,-135.12) (   0.58,-137.59)  281.94                80
 01/31/2018   18:21:26   (   0.02,-135.15) (  -0.53,-132.59)  290.55                80
 02/02/2018   06:40:27   (  -0.03,-135.21) (  -0.47,-137.19)  226.35                80
 02/03/2018   06:17:07   (  -0.03,-135.23) (   0.64,-132.20)  345.54                80
 02/04/2018   18:36:00   (   0.03,-135.25) (   0.35,-136.77)  172.04                80
 02/05/2018   18:18:00   (   0.02,-135.28) (  -0.76,-131.77)  399.93                80
 02/07/2018   06:37:00   (  -0.02,-135.34) (  -0.23,-136.37)  117.45                80