Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2016   07:16:11   (   0.13,-135.35) (   0.84,-131.90)  391.75                80
 12/08/2016   19:40:06   (  -0.11,-135.33) (   0.24,-137.06)  196.72                80
 12/10/2016   19:25:14   (  -0.11,-135.31) (  -0.35,-134.10)  136.76                80
 12/11/2016   07:49:18   (   0.10,-135.32) (  -0.75,-139.29)  451.74                80
 12/12/2016   19:13:03   (  -0.12,-135.28) (  -1.00,-131.15)  469.40                80
 12/13/2016   07:37:07   (   0.10,-135.29) (  -0.10,-136.34)  119.37                80
 12/15/2016   07:22:15   (   0.10,-135.25) (   0.49,-133.38)  212.45                80
 12/15/2016   19:46:11   (  -0.08,-135.22) (   0.59,-138.54)  377.25                80
 12/17/2016   19:33:59   (  -0.08,-135.17) (   0.00,-135.58)   45.69                80
 12/19/2016   19:19:07   (  -0.08,-135.13) (  -0.60,-132.61)  285.67                80
 12/20/2016   07:43:11   (   0.07,-135.14) (  -0.50,-137.80)  302.78                80