Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2018   07:32:10   (   0.28,-135.08) (   0.28,-135.12)    3.85                80
 09/09/2018   07:19:58   (   0.28,-135.16) (   0.91,-132.16)  340.38                80
 09/09/2018   19:38:34   (  -0.30,-135.24) (   0.16,-137.32)  237.64                80
 09/11/2018   19:29:03   (  -0.30,-135.31) (  -0.52,-134.38)  106.41                80
 09/12/2018   07:50:27   (   0.32,-135.27) (  -0.58,-139.57)  488.67                80
 09/13/2018   19:16:51   (  -0.29,-135.38) (  -1.15,-131.42)  450.09                80
 09/14/2018   07:38:15   (   0.32,-135.34) (   0.05,-136.61)  145.24                80
 09/16/2018   07:24:20   (   0.31,-135.40) (   0.67,-133.66)  197.66                23
 09/16/2018   19:44:38   (  -0.32,-135.46) (   0.40,-138.82)  381.90                80
 09/18/2018   19:32:27   (  -0.32,-135.52) (  -0.22,-135.86)   39.61                80