Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 12 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)
 12/10/2015   06:25:55   (   0.16,-135.32) (   0.31,-134.75)   65.86                80
 12/11/2015   18:47:28   (  -0.14,-135.33) (   0.75,-139.30)  452.70                80
 12/12/2015   18:26:49   (  -0.15,-135.31) (  -0.37,-134.31)  113.96                80
 12/14/2015   06:45:49   (   0.13,-135.23) (  -0.70,-138.89)  417.14                80
 12/15/2015   06:22:31   (   0.14,-135.21) (   0.43,-133.90)  148.65                80
 12/16/2015   18:41:23   (  -0.12,-135.20) (   0.63,-138.45)  371.57                80
 12/17/2015   18:23:25   (  -0.12,-135.17) (  -0.50,-133.46)  194.36                80
 12/19/2015   06:42:25   (   0.11,-135.09) (  -0.56,-138.05)  337.36                80
 12/20/2015   06:19:07   (   0.12,-135.06) (   0.57,-133.06)  227.68                80
 12/21/2015   18:37:59   (  -0.10,-135.03) (   0.48,-137.61)  294.18                80
 12/22/2015   18:20:00   (  -0.11,-135.00) (  -0.65,-132.62)  271.00                80