Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/29/2018   19:19:59   (  -0.12,-135.49) (  -0.71,-132.76)  310.56                80
 04/30/2018   07:41:23   (   0.12,-135.48) (  -0.43,-137.95)  281.26                80
 05/02/2018   07:31:54   (   0.12,-135.49) (   0.24,-135.01)   54.84                80
 05/04/2018   07:19:44   (   0.13,-135.49) (   0.85,-132.05)  390.26                80
 05/04/2018   19:41:00   (  -0.13,-135.50) (   0.26,-137.21)  194.79                80
 05/06/2018   19:26:11   (  -0.13,-135.50) (  -0.42,-134.27)  139.99                80
 05/07/2018   07:50:14   (   0.13,-135.48) (  -0.71,-139.46)  452.43                80
 05/08/2018   19:14:01   (  -0.14,-135.49) (  -1.04,-131.32)  474.23                80
 05/09/2018   07:38:04   (   0.14,-135.47) (  -0.09,-136.51)  118.24                80
 05/11/2018   07:25:55   (   0.14,-135.45) (   0.53,-133.55)  215.56                80
 05/11/2018   19:47:10   (  -0.14,-135.47) (   0.57,-138.71)  369.76                80