Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 4 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)
 04/25/2018   18:24:22   (  -0.10,-135.45) (  -0.18,-135.09)   40.49                80
 04/27/2018   06:40:40   (   0.11,-135.47) (  -0.83,-139.69)  481.52                80
 04/28/2018   06:22:39   (   0.10,-135.48) (   0.25,-134.69)   88.94                80
 04/29/2018   18:38:49   (  -0.11,-135.49) (   0.71,-139.27)  429.95                80
 04/30/2018   18:20:47   (  -0.11,-135.50) (  -0.37,-134.27)  140.05                80
 05/02/2018   06:37:06   (   0.12,-135.51) (  -0.63,-138.87)  382.97                80
 05/03/2018   06:19:05   (   0.12,-135.51) (   0.51,-133.88)  186.71                80
 05/04/2018   18:37:55   (  -0.13,-135.52) (   0.52,-138.44)  333.31                80
 05/05/2018   18:17:13   (  -0.13,-135.52) (  -0.56,-133.44)  235.90                80
 05/07/2018   06:33:31   (   0.13,-135.52) (  -0.43,-138.05)  288.22                80