Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 24.  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)
 09/25/2018   06:14:22   (   0.26,-135.54) (   0.59,-133.93)  181.88                80
 09/26/2018   18:30:32   (  -0.28,-135.63) (   0.34,-138.52)  328.56                80
 09/27/2018   18:12:30   (  -0.27,-135.64) (  -0.72,-133.51)  242.53                80
 09/29/2018   06:28:47   (   0.29,-135.59) (  -0.27,-138.11)  288.16                80
 09/30/2018   06:10:46   (   0.27,-135.59) (   0.84,-133.12)  281.81                80
 10/01/2018   18:26:55   (  -0.29,-135.66) (   0.14,-137.69)  230.79                80
 10/02/2018   18:08:53   (  -0.27,-135.66) (  -0.92,-132.68)  339.16                80
 10/04/2018   06:27:50   (   0.29,-135.60) (  -0.07,-137.29)  192.43                80
 10/05/2018   06:07:07   (   0.28,-135.59) (   0.99,-132.28)  376.57                80
 10/06/2018   18:23:17   (  -0.30,-135.65) (  -0.01,-136.85)  137.66                80
 10/07/2018   18:05:15   (  -0.29,-135.65) (  -1.12,-131.86)  431.77                80