Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 12 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/31/2016   07:22:08   (   0.04,-134.74) (   0.35,-133.33)  160.97                80
 12/31/2016   19:46:03   (  -0.02,-134.71) (   0.78,-138.48)  428.57                80
 01/02/2017   07:09:56   (   0.04,-134.66) (   0.97,-130.37)  487.65                80
 01/02/2017   19:33:51   (  -0.02,-134.62) (   0.17,-135.52)  102.00                80
 01/04/2017   19:18:59   (  -0.02,-134.53) (  -0.44,-132.56)  223.92                80
 01/05/2017   07:43:03   (   0.01,-134.51) (  -0.66,-137.75)  367.64                80
 01/07/2017   07:30:51   (   0.01,-134.41) (  -0.06,-134.79)   42.79                80
 01/09/2017   07:15:59   (   0.02,-134.30) (   0.54,-131.83)  281.19                80
 01/09/2017   19:39:55   (  -0.01,-134.26) (   0.54,-136.99)  309.57                80
 01/11/2017   19:25:03   (  -0.01,-134.14) (  -0.05,-134.02)   13.71                80
 01/13/2017   19:12:51   (  -0.01,-134.02) (  -0.63,-131.06)  336.62                80