Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 11.  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)
 06/12/2018   18:29:50   (  -0.17,-134.45) (   0.37,-136.75)  263.76                80
 06/13/2018   18:06:30   (  -0.18,-134.39) (  -0.79,-131.77)  299.30                80
 06/15/2018   06:28:06   (   0.17,-134.26) (  -0.31,-136.35)  238.51                80
 06/16/2018   06:04:46   (   0.19,-134.20) (   0.85,-131.36)  324.20                80
 06/17/2018   18:26:14   (  -0.18,-134.16) (   0.21,-135.92)  200.46                80
 06/18/2018   18:02:53   (  -0.19,-134.10) (  -0.88,-130.92)  361.91                80
 06/20/2018   06:24:30   (   0.18,-133.96) (  -0.16,-135.51)  176.59                80
 06/21/2018   06:01:08   (   0.19,-133.90) (   0.94,-130.51)  385.82                80
 06/22/2018   18:22:37   (  -0.17,-133.85) (   0.12,-135.07)  138.96                80
 06/23/2018   17:59:16   (  -0.19,-133.79) (  -1.04,-130.08)  423.10                80
 06/25/2018   06:20:52   (   0.17,-133.65) (  -0.06,-134.67)  116.16                80