Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 13.  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)
 10/14/2018   06:20:34   (   0.31,-135.58) (   0.31,-135.63)    5.46                80
 10/16/2018   18:18:41   (  -0.30,-135.61) (  -0.42,-135.20)   48.07                80
 10/18/2018   06:37:37   (   0.31,-135.54) (  -0.62,-139.79)  484.08                80
 10/19/2018   06:14:15   (   0.30,-135.52) (   0.45,-134.78)   83.60                80
 10/20/2018   18:33:03   (  -0.31,-135.55) (   0.55,-139.35)  433.31                80
 10/21/2018   18:15:01   (  -0.30,-135.53) (  -0.58,-134.35)  134.74                80
 10/23/2018   06:33:58   (   0.31,-135.46) (  -0.45,-138.95)  397.50                80
 10/24/2018   06:10:35   (   0.31,-135.43) (   0.62,-133.94)  169.47                80
 10/25/2018   18:29:24   (  -0.31,-135.45) (   0.38,-138.51)  349.18                80
 10/26/2018   18:11:21   (  -0.31,-135.42) (  -0.70,-133.50)  218.00                80