Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 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)
 12/10/2013   06:32:50   (   0.17,-135.34) (   0.14,-135.55)   22.82                80
 12/12/2013   18:28:23   (  -0.16,-135.26) (  -0.21,-135.11)   17.38                80
 12/15/2013   06:26:43   (   0.15,-135.25) (   0.27,-134.71)   60.76                80
 12/16/2013   18:48:15   (  -0.13,-135.17) (   0.81,-139.26)  466.88                80
 12/17/2013   18:24:56   (  -0.14,-135.15) (  -0.35,-134.28)   99.17                80
 12/19/2013   06:46:36   (   0.12,-135.15) (  -0.73,-138.87)  424.25                80
 12/20/2013   06:23:17   (   0.13,-135.12) (   0.43,-133.88)  141.43                80
 12/21/2013   18:44:48   (  -0.10,-135.04) (   0.64,-138.44)  387.19                80
 12/22/2013   18:21:29   (  -0.12,-135.01) (  -0.47,-133.44)  178.34                80