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)
 09/05/2018   07:41:41   (   0.29,-135.01) (  -0.37,-138.07)  348.38                80
 09/07/2018   07:29:30   (   0.28,-135.08) (   0.25,-135.11)    4.59                80
 09/09/2018   07:19:59   (   0.28,-135.16) (   0.93,-132.17)  340.19                80
 09/09/2018   19:38:34   (  -0.30,-135.24) (   0.13,-137.33)  237.85                80
 09/11/2018   19:29:02   (  -0.30,-135.31) (  -0.48,-134.37)  106.06                80
 09/12/2018   07:50:27   (   0.32,-135.27) (  -0.56,-139.58)  489.02                80
 09/13/2018   19:16:51   (  -0.29,-135.38) (  -1.16,-131.43)  449.66                80
 09/14/2018   07:38:15   (   0.32,-135.33) (   0.05,-136.62)  145.69                80
 09/16/2018   07:23:23   (   0.31,-135.39) (   0.67,-133.66)  197.08                80
 09/16/2018   19:44:39   (  -0.32,-135.46) (   0.40,-138.82)  382.53                80
 09/18/2018   19:32:28   (  -0.32,-135.51) (  -0.27,-135.87)   40.47                80