Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 8 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)
 08/28/2018   19:14:06   (   0.19,-134.64) (  -0.55,-131.30)  380.09                80
 08/29/2018   07:38:08   (  -0.23,-134.56) (  -0.67,-136.47)  217.32                80
 08/31/2018   07:23:16   (  -0.22,-134.46) (  -0.03,-133.51)  107.73                80
 08/31/2018   19:47:11   (   0.26,-134.48) (   1.17,-138.66)  475.79                80
 09/02/2018   07:11:04   (  -0.22,-134.35) (   0.60,-130.55)  432.07                80
 09/02/2018   19:34:59   (   0.26,-134.37) (   0.53,-135.70)  151.63                80
 09/04/2018   19:20:06   (   0.25,-134.25) (  -0.06,-132.74)  171.66                80
 09/05/2018   07:44:09   (  -0.29,-134.17) (  -1.08,-137.92)  426.02                80
 09/06/2018   19:07:53   (   0.25,-134.12) (  -0.65,-129.77)  494.30                80
 09/07/2018   07:31:56   (  -0.28,-134.04) (  -0.49,-134.95)  103.55                80
 09/09/2018   07:17:03   (  -0.28,-133.91) (   0.12,-131.99)  218.56                80
 09/09/2018   19:40:58   (   0.31,-133.92) (   1.01,-137.14)  366.15                80