Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 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)
 10/11/2018   18:19:39   (  -0.30,-135.65) (  -0.20,-136.02)   42.97                80
 10/14/2018   06:17:54   (   0.30,-135.56) (   0.27,-135.62)    7.16                80
 10/16/2018   18:18:42   (  -0.30,-135.59) (  -0.42,-135.20)   45.27                80
 10/18/2018   06:37:38   (   0.31,-135.51) (  -0.63,-139.79)  486.87                80
 10/19/2018   06:14:16   (   0.30,-135.49) (   0.43,-134.78)   80.53                80
 10/20/2018   18:33:05   (  -0.31,-135.52) (   0.54,-139.36)  437.50                80
 10/21/2018   18:15:02   (  -0.30,-135.50) (  -0.53,-134.35)  130.21                80
 10/23/2018   06:34:00   (   0.31,-135.42) (  -0.46,-138.95)  402.08                80
 10/24/2018   06:10:37   (   0.30,-135.40) (   0.60,-133.95)  164.55                80