Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 10 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2016   07:37:10   (   0.31,-135.09) (   0.05,-136.37)  144.88                80
 10/12/2016   07:22:18   (   0.31,-135.02) (   0.67,-133.41)  184.00                80
 10/12/2016   19:43:33   (  -0.31,-135.02) (   0.47,-138.56)  402.36                80
 10/14/2016   19:31:21   (  -0.30,-134.95) (  -0.15,-135.60)   74.09                80
 10/16/2016   19:21:49   (  -0.30,-134.87) (  -0.78,-132.64)  253.48                80
 10/17/2016   07:43:13   (   0.30,-134.84) (  -0.32,-137.84)  340.59                80
 10/19/2016   07:31:00   (   0.30,-134.75) (   0.25,-134.87)   14.23                80
 10/21/2016   07:16:08   (   0.29,-134.65) (   0.88,-131.91)  312.05                80
 10/21/2016   19:37:23   (  -0.29,-134.64) (   0.24,-137.06)  275.90                80
 10/23/2016   19:27:51   (  -0.28,-134.54) (  -0.40,-134.11)   49.89                80