Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 9 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/01/2015   07:29:10   (   0.34,-135.11) (   0.40,-134.85)   29.55                32
 10/03/2015   07:17:34   (   0.33,-135.06) (   1.02,-131.88)  362.75                 7
 10/03/2015   19:37:22   (  -0.33,-135.11) (   0.05,-137.04)  218.16                80
 10/05/2015   19:27:46   (  -0.33,-135.07) (  -0.52,-134.05)  114.72                80
 10/06/2015   07:49:09   (   0.33,-135.00) (  -0.60,-139.24)  482.61                80
 10/07/2015   19:15:31   (  -0.32,-135.02) (  -1.15,-131.08)  447.23                80
 10/08/2015   07:36:54   (   0.32,-134.95) (   0.04,-136.27)  150.19                80
 10/10/2015   07:21:59   (   0.32,-134.89) (   0.68,-133.30)  181.90                80
 10/10/2015   19:43:13   (  -0.32,-134.93) (   0.45,-138.44)  399.85                80
 10/12/2015   19:30:58   (  -0.32,-134.87) (  -0.20,-135.48)   68.21                80