Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2015   19:13:46   (   0.14,-134.64) (  -0.58,-131.21)  389.69                80
 08/21/2015   07:37:49   (  -0.17,-134.60) (  -0.57,-136.39)  204.41                80
 08/23/2015   07:22:56   (  -0.16,-134.53) (   0.05,-133.43)  124.40                80
 08/23/2015   19:46:51   (   0.19,-134.54) (   1.06,-138.58)  460.35                80
 08/25/2015   07:10:43   (  -0.16,-134.45) (   0.68,-130.47)  452.44                80
 08/25/2015   19:34:38   (   0.19,-134.45) (   0.43,-135.62)  132.56                80
 08/27/2015   19:19:44   (   0.19,-134.36) (  -0.15,-132.65)  194.54                80
 08/28/2015   07:43:47   (  -0.22,-134.31) (  -0.99,-137.83)  400.71                80
 08/30/2015   07:31:34   (  -0.21,-134.21) (  -0.35,-134.87)   74.17                80
 09/01/2015   07:16:40   (  -0.20,-134.11) (   0.24,-131.89)  251.90                80
 09/01/2015   19:40:35   (   0.23,-134.12) (   0.86,-137.05)  333.17                80