Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2014 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)
 12/22/2014   06:34:02   (   0.10,-135.37) (   0.06,-135.52)   17.41                80
 12/24/2014   18:32:13   (  -0.09,-135.36) (  -0.14,-135.07)   32.04                80
 12/26/2014   06:51:11   (   0.07,-135.32) (  -0.92,-139.65)  494.66                80
 12/27/2014   06:27:52   (   0.08,-135.30) (   0.23,-134.67)   72.70                80
 12/28/2014   18:49:22   (  -0.06,-135.29) (   0.82,-139.22)  447.18                80
 12/29/2014   18:28:42   (  -0.07,-135.28) (  -0.28,-134.21)  120.44                80
 12/31/2014   06:47:40   (   0.06,-135.24) (  -0.76,-138.80)  406.69                80
 01/01/2015   06:24:21   (   0.07,-135.21) (   0.40,-133.81)  160.12                80
 01/02/2015   18:43:11   (  -0.05,-135.19) (   0.63,-138.36)  361.14                80