Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 20.  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)
 10/20/2018   18:33:05   (  -0.31,-135.50) (   0.56,-139.35)  438.79                80
 10/21/2018   18:15:03   (  -0.30,-135.49) (  -0.57,-134.36)  128.67                80
 10/23/2018   06:33:59   (   0.31,-135.40) (  -0.49,-138.95)  404.70                80
 10/24/2018   06:10:38   (   0.30,-135.37) (   0.63,-133.96)  161.66                80
 10/25/2018   18:29:26   (  -0.31,-135.38) (   0.38,-138.52)  357.72                80
 10/26/2018   18:11:24   (  -0.31,-135.35) (  -0.68,-133.51)  208.83                80
 10/28/2018   06:30:21   (   0.31,-135.26) (  -0.31,-138.12)  325.37                80
 10/29/2018   06:06:59   (   0.30,-135.22) (   0.75,-133.11)  239.86                80
 10/30/2018   18:25:47   (  -0.30,-135.20) (   0.26,-137.67)  281.85                80
 10/31/2018   18:07:45   (  -0.29,-135.17) (  -0.87,-132.68)  283.68                80
 11/02/2018   06:26:42   (   0.30,-135.07) (  -0.19,-137.27)  250.95                80