Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 1 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2015   19:27:58   (   0.04,-134.44) (  -0.03,-134.11)   37.06                80
 01/24/2015   19:15:46   (   0.04,-134.33) (  -0.63,-131.15)  361.55                80
 01/25/2015   07:37:10   (  -0.05,-134.30) (  -0.49,-136.34)  231.51                80
 01/27/2015   07:22:18   (  -0.04,-134.19) (   0.12,-133.38)   92.26                80
 01/27/2015   19:43:33   (   0.05,-134.15) (   1.00,-138.53)  497.80                80
 01/29/2015   07:10:06   (  -0.04,-134.07) (   0.74,-130.42)  415.57                80
 01/29/2015   19:31:21   (   0.05,-134.04) (   0.38,-135.57)  174.51                80
 01/31/2015   19:21:49   (   0.04,-133.91) (  -0.25,-132.61)  148.49                80
 02/01/2015   07:43:12   (  -0.05,-133.89) (  -0.85,-137.80)  444.08                80
 02/02/2015   19:09:36   (   0.04,-133.79) (  -0.83,-129.64)  471.28                80
 02/03/2015   07:30:59   (  -0.05,-133.76) (  -0.27,-134.83)  121.43                80