Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 12.  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)
 06/13/2018   18:06:29   (  -0.18,-134.39) (  -0.75,-131.76)  299.33                80
 06/15/2018   06:28:07   (   0.17,-134.26) (  -0.29,-136.36)  238.47                80
 06/16/2018   06:04:45   (   0.19,-134.20) (   0.81,-131.36)  324.23                80
 06/17/2018   18:26:14   (  -0.18,-134.16) (   0.19,-135.92)  200.42                80
 06/18/2018   18:02:53   (  -0.19,-134.10) (  -0.90,-130.92)  361.95                80
 06/20/2018   06:24:29   (   0.18,-133.96) (  -0.19,-135.51)  176.57                80
 06/21/2018   06:01:09   (   0.19,-133.90) (   0.96,-130.52)  385.87                80
 06/22/2018   18:22:37   (  -0.17,-133.85) (   0.09,-135.07)  138.89                80
 06/23/2018   17:59:16   (  -0.19,-133.79) (  -1.01,-130.08)  423.15                80
 06/25/2018   06:20:53   (   0.17,-133.65) (  -0.03,-134.67)  116.13                80
 06/26/2018   05:57:31   (   0.19,-133.58) (   1.07,-129.67)  445.64                80