Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/05/2015   19:27:59   (  -0.33,-135.07) (  -0.56,-134.11)  108.92                80
 10/06/2015   07:49:23   (   0.33,-135.00) (  -0.59,-139.30)  489.35                80
 10/07/2015   19:15:49   (  -0.32,-135.02) (  -1.14,-131.16)  438.71                80
 10/08/2015   07:37:13   (   0.32,-134.95) (  -0.00,-136.34)  159.68                80
 10/10/2015   07:22:24   (   0.32,-134.89) (   0.66,-133.40)  169.78                80
 10/10/2015   19:43:40   (  -0.32,-134.93) (   0.44,-138.56)  412.40                80
 10/12/2015   07:10:14   (   0.32,-134.83) (   1.27,-130.45)  498.80                80
 10/12/2015   19:31:30   (  -0.32,-134.87) (  -0.18,-135.61)   83.38                80
 10/14/2015   19:22:00   (  -0.32,-134.81) (  -0.80,-132.66)  245.09                80
 10/15/2015   07:43:24   (   0.32,-134.74) (  -0.33,-137.85)  352.89                80
 10/17/2015   07:31:13   (   0.31,-134.67) (   0.26,-134.89)   25.31                80