Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 3 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)
 03/30/2016   07:49:06   (   0.01,-135.10) (  -0.86,-139.24)  470.97                80
 03/31/2016   19:15:31   (  -0.00,-135.16) (  -0.89,-131.10)  462.73                80
 04/01/2016   07:36:55   (   0.01,-135.15) (  -0.23,-136.29)  129.46                80
 04/03/2016   07:22:04   (   0.01,-135.19) (   0.40,-133.33)  211.47                80
 04/03/2016   19:43:20   (  -0.01,-135.23) (   0.67,-138.49)  370.98                80
 04/05/2016   19:31:09   (  -0.01,-135.26) (   0.03,-135.54)   30.66                80
 04/07/2016   19:21:38   (  -0.00,-135.30) (  -0.61,-132.58)  309.15                80
 04/08/2016   07:43:02   (   0.01,-135.28) (  -0.51,-137.77)  283.09                80
 04/10/2016   07:28:10   (   0.01,-135.30) (   0.08,-134.80)   55.87                80
 04/12/2016   07:15:59   (   0.01,-135.32) (   0.73,-131.85)  393.99                80
 04/12/2016   19:37:15   (  -0.01,-135.34) (   0.35,-137.01)  189.62                80