Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 23.  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)
 05/24/2018   18:20:54   (  -0.17,-135.21) (  -0.20,-135.12)    9.96                80
 05/27/2018   06:21:50   (   0.17,-135.11) (   0.25,-134.72)   44.72                80
 05/28/2018   18:40:39   (  -0.16,-135.09) (   0.77,-139.28)  477.24                80
 05/29/2018   18:17:18   (  -0.17,-135.06) (  -0.32,-134.28)   88.36                80
 05/31/2018   06:38:55   (   0.17,-134.98) (  -0.72,-138.87)  444.14                80
 06/01/2018   06:15:35   (   0.18,-134.95) (   0.43,-133.89)  121.14                80
 06/02/2018   18:37:04   (  -0.17,-134.92) (   0.59,-138.45)  401.86                80
 06/03/2018   18:13:43   (  -0.18,-134.88) (  -0.50,-133.45)  162.97                80
 06/05/2018   06:35:20   (   0.18,-134.79) (  -0.53,-138.05)  370.50                80
 06/06/2018   06:11:59   (   0.19,-134.75) (   0.57,-133.05)  194.15                80