Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 16.  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)
 09/17/2018   06:38:47   (   0.26,-135.40) (  -0.31,-138.08)  305.87                80
 09/18/2018   06:20:45   (   0.24,-135.42) (   0.74,-133.08)  266.09                80
 09/19/2018   18:36:56   (  -0.26,-135.52) (   0.19,-137.66)  243.24                80
 09/20/2018   18:18:55   (  -0.25,-135.54) (  -0.87,-132.65)  328.87                80
 09/22/2018   06:35:14   (   0.27,-135.50) (  -0.11,-137.25)  199.45                80
 09/23/2018   06:17:14   (   0.26,-135.52) (   1.00,-132.26)  371.82                80
 09/24/2018   18:33:24   (  -0.28,-135.60) (  -0.01,-136.82)  138.91                80
 09/25/2018   18:15:24   (  -0.26,-135.62) (  -1.12,-131.83)  432.54                80
 09/27/2018   06:31:42   (   0.29,-135.58) (   0.09,-136.42)   96.07                80
 09/28/2018   06:13:41   (   0.27,-135.59) (   1.21,-131.43)  474.39                80
 09/29/2018   18:29:52   (  -0.29,-135.66) (  -0.21,-135.99)   38.28                80