Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 28.  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) (  -0.70,-132.76)  310.31                80
 04/30/2018   07:41:24   (   0.12,-135.48) (  -0.38,-137.96)  280.97                80
 05/02/2018   07:31:54   (   0.12,-135.49) (   0.22,-135.00)   55.30                80
 05/04/2018   07:19:45   (   0.13,-135.50) (   0.88,-132.06)  390.89                80
 05/04/2018   19:41:00   (  -0.13,-135.51) (   0.22,-137.22)  194.64                80
 05/06/2018   19:26:11   (  -0.13,-135.50) (  -0.38,-134.27)  140.24                80
 05/07/2018   07:50:15   (   0.13,-135.49) (  -0.69,-139.47)  451.62                80
 05/08/2018   19:14:02   (  -0.14,-135.50) (  -1.05,-131.33)  474.63                80
 05/09/2018   07:38:05   (   0.14,-135.48) (  -0.09,-136.51)  117.31                80
 05/11/2018   07:25:55   (   0.14,-135.47) (   0.52,-133.56)  216.59                80
 05/11/2018   19:47:12   (  -0.14,-135.48) (   0.52,-138.73)  369.25                80