Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2015   19:34:04   (  -0.09,-135.22) (   0.00,-135.56)   39.39                80
 12/17/2015   19:21:50   (  -0.08,-135.16) (  -0.60,-132.59)  291.54                80
 12/18/2015   07:43:13   (   0.07,-135.12) (  -0.48,-137.79)  302.36                80
 12/20/2015   07:28:19   (   0.07,-135.06) (   0.14,-134.82)   27.73                80
 12/22/2015   07:16:06   (   0.08,-134.99) (   0.77,-131.85)  357.09                80
 12/22/2015   19:37:19   (  -0.06,-134.99) (   0.38,-136.99)  228.63                80
 12/24/2015   19:27:45   (  -0.06,-134.91) (  -0.26,-134.03)  100.32                80
 12/25/2015   07:49:08   (   0.05,-134.87) (  -0.87,-139.21)  492.99                80
 12/26/2015   19:15:30   (  -0.06,-134.83) (  -0.84,-131.05)  428.97                80
 12/27/2015   07:36:53   (   0.05,-134.79) (  -0.28,-136.23)  164.52                80