Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 1 21.  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   19:27:57   (   0.04,-134.43) (  -0.00,-134.10)   36.75                80
 01/24/2015   19:15:46   (   0.04,-134.32) (  -0.66,-131.16)  361.15                80
 01/25/2015   07:37:10   (  -0.05,-134.30) (  -0.45,-136.34)  231.73                80
 01/27/2015   07:22:17   (  -0.04,-134.19) (   0.11,-133.37)   92.13                80
 01/27/2015   19:43:32   (   0.05,-134.15) (   1.01,-138.52)  498.16                80
 01/29/2015   07:10:05   (  -0.04,-134.07) (   0.74,-130.41)  415.49                80
 01/29/2015   19:31:20   (   0.05,-134.03) (   0.37,-135.57)  174.79                80
 01/31/2015   19:21:47   (   0.04,-133.91) (  -0.21,-132.60)  148.31                80
 02/01/2015   07:43:11   (  -0.05,-133.89) (  -0.89,-137.79)  443.96                80
 02/02/2015   19:09:34   (   0.04,-133.78) (  -0.81,-129.63)  471.23                80
 02/03/2015   07:30:58   (  -0.05,-133.76) (  -0.28,-134.83)  121.18                80