Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2012 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)
 12/22/2012   06:36:36   (   0.09,-135.46) (  -0.11,-136.41)  107.78                80
 12/23/2012   06:13:16   (   0.10,-135.46) (   0.98,-131.41)  461.00                80
 12/24/2012   18:34:47   (  -0.09,-135.49) (  -0.01,-135.98)   54.55                80
 12/27/2012   06:33:05   (   0.08,-135.45) (   0.08,-135.57)   13.14                80
 12/29/2012   18:31:13   (  -0.07,-135.46) (  -0.13,-135.12)   39.26                80
 12/31/2012   06:50:10   (   0.05,-135.42) (  -0.91,-139.70)  487.76                80
 01/01/2013   06:26:49   (   0.06,-135.41) (   0.19,-134.70)   80.44                80
 01/02/2013   18:48:17   (  -0.04,-135.41) (   0.83,-139.25)  437.10                80
 01/03/2013   18:24:55   (  -0.05,-135.40) (  -0.30,-134.25)  131.30                80