Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 3 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/22/2016   19:21:33   (   0.01,-134.87) (  -0.46,-132.55)  263.56                80
 03/23/2016   07:42:58   (  -0.01,-134.88) (  -0.61,-137.75)  326.65                80
 03/25/2016   07:28:07   (  -0.01,-134.95) (   0.01,-134.79)   17.50                80
 03/27/2016   07:15:57   (  -0.02,-135.02) (   0.68,-131.85)  360.91                80
 03/27/2016   19:37:12   (   0.01,-135.05) (   0.45,-137.00)  222.04                80
 03/29/2016   19:27:42   (   0.01,-135.11) (  -0.23,-134.05)  120.61                80
 03/30/2016   07:49:06   (  -0.01,-135.11) (  -0.89,-139.24)  469.64                80
 03/31/2016   19:15:31   (   0.01,-135.16) (  -0.86,-131.09)  462.50                80
 04/01/2016   07:36:55   (  -0.01,-135.16) (  -0.26,-136.28)  127.98                80
 04/03/2016   07:22:04   (  -0.01,-135.20) (   0.38,-133.33)  213.11                80
 04/03/2016   19:43:20   (   0.00,-135.22) (   0.69,-138.49)  370.99                80