Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 9.  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)
 06/10/2018   06:31:43   (   0.17,-134.53) (  -0.40,-137.20)  304.18                80
 06/11/2018   06:08:22   (   0.18,-134.48) (   0.69,-132.20)  259.57                80
 06/12/2018   18:29:51   (  -0.17,-134.44) (   0.32,-136.77)  263.93                80
 06/13/2018   18:06:30   (  -0.18,-134.39) (  -0.78,-131.77)  299.01                80
 06/15/2018   06:28:06   (   0.17,-134.26) (  -0.32,-136.35)  239.18                80
 06/16/2018   06:04:45   (   0.19,-134.20) (   0.84,-131.36)  323.43                80
 06/17/2018   18:26:14   (  -0.18,-134.15) (   0.22,-135.92)  201.19                80
 06/18/2018   18:02:52   (  -0.19,-134.09) (  -0.87,-130.92)  361.09                80
 06/20/2018   06:24:30   (   0.18,-133.95) (  -0.16,-135.51)  177.78                80
 06/21/2018   06:01:08   (   0.19,-133.89) (   0.93,-130.51)  384.53                80
 06/22/2018   18:22:36   (  -0.17,-133.84) (   0.12,-135.07)  140.24                80
 06/23/2018   17:59:16   (  -0.19,-133.78) (  -1.04,-130.08)  421.73                80