Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2015   07:19:31   (   0.28,-135.07) (   0.91,-132.03)  344.57                80
 09/01/2015   19:38:07   (  -0.31,-135.12) (   0.13,-137.20)  235.96                80
 09/03/2015   19:28:34   (  -0.30,-135.16) (  -0.52,-134.24)  105.29                80
 09/04/2015   07:47:17   (   0.32,-135.13) (  -0.62,-139.42)  489.10                80
 09/05/2015   19:16:20   (  -0.29,-135.19) (  -1.12,-131.27)  446.02                80
 09/06/2015   07:35:04   (   0.31,-135.16) (   0.04,-136.46)  148.47                80
 09/08/2015   07:25:30   (   0.31,-135.18) (   0.65,-133.49)  191.75                80
 09/08/2015   19:44:06   (  -0.32,-135.23) (   0.39,-138.66)  389.41                80
 09/10/2015   19:31:52   (  -0.32,-135.25) (  -0.22,-135.69)   49.50                80
 09/12/2015   19:22:18   (  -0.32,-135.27) (  -0.84,-132.72)  290.04                80
 09/13/2015   07:41:02   (   0.33,-135.24) (  -0.23,-137.92)  304.25                80