Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2015   07:31:27   (   0.33,-135.24) (   0.38,-134.94)   33.43                80
 09/17/2015   07:19:13   (   0.32,-135.25) (   1.02,-131.98)  371.78                80
 09/17/2015   19:37:48   (  -0.34,-135.30) (   0.07,-137.13)  208.32                80
 09/19/2015   19:28:14   (  -0.33,-135.30) (  -0.58,-134.17)  129.21                80
 09/20/2015   07:46:57   (   0.34,-135.25) (  -0.55,-139.35)  466.98                80
 09/21/2015   19:15:59   (  -0.32,-135.29) (  -1.17,-131.19)  466.01                80
 09/22/2015   07:34:43   (   0.33,-135.24) (   0.10,-136.39)  130.42                80
 09/24/2015   07:25:08   (   0.33,-135.22) (   0.70,-133.41)  205.47                80
 09/24/2015   19:43:43   (  -0.34,-135.27) (   0.38,-138.57)  375.66                80
 09/26/2015   19:31:28   (  -0.33,-135.24) (  -0.23,-135.59)   40.51                80