Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 12 21.  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)
 12/21/2013   18:44:48   (  -0.10,-135.03) (   0.63,-138.44)  387.31                80
 12/22/2013   18:21:29   (  -0.12,-135.00) (  -0.48,-133.44)  178.25                80
 12/24/2013   06:43:08   (   0.09,-134.99) (  -0.57,-138.03)  346.55                80
 12/25/2013   06:19:48   (   0.11,-134.95) (   0.54,-133.04)  218.41                80
 12/26/2013   18:41:20   (  -0.08,-134.86) (   0.51,-137.59)  310.87                80
 12/27/2013   18:18:00   (  -0.10,-134.83) (  -0.60,-132.60)  253.78                80
 12/29/2013   06:39:40   (   0.08,-134.80) (  -0.45,-137.19)  272.39                80
 12/30/2013   06:16:20   (   0.09,-134.75) (   0.67,-132.20)  291.55                80
 12/31/2013   18:37:51   (  -0.07,-134.65) (   0.38,-136.75)  239.51                80
 01/01/2014   18:14:32   (  -0.08,-134.60) (  -0.75,-131.76)  324.26                80
 01/03/2014   06:36:10   (   0.06,-134.56) (  -0.36,-136.34)  202.97                80
 01/04/2014   06:12:51   (   0.07,-134.51) (   0.77,-131.35)  360.45                80