Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 12 4.  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)
 12/05/2015   06:31:58   (   0.17,-135.39) (   0.13,-135.58)   21.42                80
 12/07/2015   18:30:12   (  -0.16,-135.40) (  -0.20,-135.14)   28.95                80
 12/10/2015   06:25:55   (   0.16,-135.32) (   0.29,-134.74)   66.17                80
 12/11/2015   18:47:27   (  -0.14,-135.33) (   0.76,-139.30)  452.96                80
 12/12/2015   18:26:49   (  -0.15,-135.31) (  -0.36,-134.31)  113.78                80
 12/14/2015   06:45:49   (   0.13,-135.24) (  -0.71,-138.89)  416.53                80
 12/15/2015   06:22:31   (   0.14,-135.21) (   0.41,-133.90)  149.34                80
 12/16/2015   18:41:24   (  -0.12,-135.20) (   0.59,-138.46)  371.53                80
 12/17/2015   18:23:25   (  -0.12,-135.17) (  -0.48,-133.46)  194.48                80