Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 15.  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)
 06/16/2018   06:04:46   (   0.19,-134.62) (   0.89,-131.37)  369.70                80
 06/17/2018   18:26:16   (  -0.18,-134.69) (   0.11,-135.94)  142.50                80
 06/18/2018   18:02:55   (  -0.19,-134.74) (  -1.05,-130.95)  431.24                80
 06/20/2018   06:24:33   (   0.18,-134.81) (   0.01,-135.55)   84.68                80
 06/21/2018   06:01:12   (   0.19,-134.85) (   1.16,-130.56)  489.08                80
 06/22/2018   18:22:40   (  -0.18,-134.92) (  -0.11,-135.12)   23.39                80
 06/25/2018   06:18:17   (   0.17,-135.02) (   0.23,-134.73)   33.38                80
 06/26/2018   18:39:46   (  -0.16,-135.08) (   0.76,-139.30)  479.56                80
 06/27/2018   18:16:25   (  -0.17,-135.12) (  -0.34,-134.30)   93.17                80
 06/29/2018   06:38:02   (   0.15,-135.17) (  -0.70,-138.89)  424.64                80