Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2012 12 20.  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)
 12/20/2012   18:14:57   (  -0.11,-135.49) (  -0.95,-131.82)  419.10                80
 12/22/2012   06:36:36   (   0.09,-135.46) (  -0.09,-136.41)  107.89                80
 12/23/2012   06:13:16   (   0.10,-135.46) (   1.00,-131.41)  460.92                80
 12/24/2012   18:34:46   (  -0.09,-135.49) (   0.03,-135.97)   54.61                80
 12/27/2012   06:33:04   (   0.08,-135.45) (   0.04,-135.56)   13.06                80
 12/29/2012   18:28:33   (  -0.07,-135.46) (  -0.15,-135.12)   39.05                80
 12/31/2012   06:50:10   (   0.05,-135.42) (  -0.90,-139.70)  487.90                80
 01/01/2013   06:26:49   (   0.06,-135.41) (   0.21,-134.70)   80.25                80
 01/02/2013   18:48:17   (  -0.04,-135.41) (   0.81,-139.25)  437.31                80