Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2018   07:41:07   (   0.08,-135.24) (  -0.45,-137.88)  299.86                80
 04/16/2018   07:31:38   (   0.08,-135.29) (   0.19,-134.94)   40.95                80
 04/18/2018   07:19:29   (   0.09,-135.33) (   0.83,-131.99)  380.62                80
 04/18/2018   19:40:45   (  -0.09,-135.34) (   0.29,-137.15)  205.35                80
 04/20/2018   19:25:56   (  -0.10,-135.37) (  -0.35,-134.20)  133.13                80
 04/21/2018   07:47:21   (   0.10,-135.38) (  -0.73,-139.40)  456.67                80
 04/22/2018   19:13:47   (  -0.10,-135.40) (  -0.99,-131.26)  470.89                80
 04/23/2018   07:35:11   (   0.11,-135.40) (  -0.14,-136.44)  119.01                80
 04/25/2018   07:25:42   (   0.11,-135.42) (   0.50,-133.50)  218.52                80
 04/25/2018   19:46:59   (  -0.11,-135.43) (   0.56,-138.67)  367.64                80
 04/27/2018   19:34:50   (  -0.11,-135.45) (  -0.09,-135.72)   30.58                80