Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 9 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)
 09/17/2015   07:19:14   (   0.32,-135.25) (   1.05,-131.98)  371.62                80
 09/17/2015   19:37:48   (  -0.34,-135.30) (   0.04,-137.14)  208.55                80
 09/19/2015   19:28:14   (  -0.33,-135.30) (  -0.60,-134.17)  128.91                80
 09/20/2015   07:46:57   (   0.34,-135.25) (  -0.53,-139.36)  467.30                80
 09/21/2015   19:16:00   (  -0.32,-135.29) (  -1.18,-131.20)  465.55                80
 09/22/2015   07:34:43   (   0.33,-135.24) (   0.11,-136.39)  130.88                80
 09/24/2015   07:25:08   (   0.33,-135.22) (   0.70,-133.41)  204.89                80
 09/24/2015   19:43:43   (  -0.34,-135.26) (   0.38,-138.57)  376.32                80
 09/26/2015   19:31:29   (  -0.33,-135.24) (  -0.27,-135.61)   41.25                80
 09/28/2015   19:21:54   (  -0.33,-135.21) (  -0.87,-132.63)  293.33                80
 09/29/2015   07:43:17   (   0.34,-135.16) (  -0.25,-137.82)  302.92                80