Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2013   19:33:55   (  -0.04,-134.86) (   0.12,-135.65)   89.19                80
 12/27/2013   19:19:04   (  -0.05,-134.78) (  -0.49,-132.69)  237.28                80
 12/28/2013   07:43:08   (   0.03,-134.78) (  -0.64,-137.88)  351.72                80
 12/30/2013   07:30:57   (   0.03,-134.69) (  -0.02,-134.92)   26.31                80
 01/01/2014   07:16:06   (   0.04,-134.59) (   0.62,-131.97)  298.43                80
 01/01/2014   19:40:01   (  -0.01,-134.53) (   0.51,-137.12)  294.01                80
 01/03/2014   19:25:09   (  -0.02,-134.42) (  -0.08,-134.15)   30.36                80
 01/05/2014   19:12:57   (  -0.02,-134.31) (  -0.68,-131.19)  354.56                80
 01/06/2014   07:37:01   (  -0.00,-134.31) (  -0.43,-136.38)  234.86                80