Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 12 7.  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)
 12/07/2015   18:27:33   (  -0.16,-135.40) (  -0.22,-135.15)   29.15                80
 12/10/2015   06:25:55   (   0.16,-135.32) (   0.27,-134.74)   66.02                80
 12/11/2015   18:47:28   (  -0.14,-135.33) (   0.73,-139.30)  452.71                80
 12/12/2015   18:24:09   (  -0.15,-135.31) (  -0.39,-134.31)  114.04                80
 12/14/2015   06:45:50   (   0.13,-135.24) (  -0.68,-138.90)  416.78                80
 12/15/2015   06:22:31   (   0.14,-135.21) (   0.45,-133.91)  149.08                80
 12/16/2015   18:41:24   (  -0.12,-135.20) (   0.61,-138.46)  371.34                80
 12/17/2015   18:23:25   (  -0.12,-135.17) (  -0.52,-133.47)  194.64                80
 12/19/2015   06:42:25   (   0.11,-135.10) (  -0.54,-138.05)  336.77                80
 12/20/2015   06:19:06   (   0.12,-135.06) (   0.54,-133.05)  228.35                80