Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/17/2017   19:31:25   (  -0.28,-135.26) (  -0.19,-135.66)   46.12                80
 10/19/2017   19:21:52   (  -0.28,-135.22) (  -0.79,-132.70)  285.98                80
 10/20/2017   07:43:16   (   0.27,-135.19) (  -0.31,-137.89)  307.09                80
 10/22/2017   07:28:23   (   0.27,-135.14) (   0.29,-134.92)   24.30                80
 10/24/2017   07:16:11   (   0.27,-135.09) (   0.96,-131.97)  354.83                80
 10/24/2017   19:37:26   (  -0.26,-135.08) (   0.15,-137.13)  231.98                80
 10/26/2017   19:27:53   (  -0.26,-135.02) (  -0.46,-134.16)   98.15                80
 10/27/2017   07:49:15   (   0.25,-135.01) (  -0.69,-139.34)  493.68                80
 10/28/2017   19:15:40   (  -0.25,-134.96) (  -1.07,-131.20)  427.69                80
 10/29/2017   07:37:03   (   0.25,-134.94) (  -0.08,-136.38)  164.46                80