Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 7.  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) (   0.29,-135.12)    3.81                80
 09/09/2018   07:19:58   (   0.28,-135.16) (   0.93,-132.16)  340.86                80
 09/09/2018   19:38:34   (  -0.30,-135.24) (   0.13,-137.33)  237.15                80
 09/11/2018   19:29:02   (  -0.30,-135.31) (  -0.53,-134.37)  107.20                80
 09/12/2018   07:50:25   (   0.32,-135.27) (  -0.57,-139.57)  487.76                80
 09/13/2018   19:16:49   (  -0.29,-135.38) (  -1.13,-131.41)  451.23                80
 09/14/2018   07:35:33   (   0.31,-135.34) (   0.04,-136.60)  143.96                80
 09/16/2018   07:26:01   (   0.31,-135.40) (   0.71,-133.65)  199.39                80
 09/16/2018   19:44:35   (  -0.32,-135.46) (   0.40,-138.80)  380.10                80
 09/18/2018   19:32:22   (  -0.32,-135.52) (  -0.22,-135.84)   37.38                80
 09/20/2018   19:22:50   (  -0.31,-135.57) (  -0.91,-132.89)  305.03                80