Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/28/2016   19:12:57   (  -0.06,-134.84) (  -0.86,-131.11)  424.74                80
 12/29/2016   07:37:00   (   0.04,-134.83) (  -0.29,-136.29)  166.60                80
 12/31/2016   07:22:08   (   0.04,-134.74) (   0.34,-133.33)  160.67                80
 12/31/2016   19:46:03   (  -0.03,-134.71) (   0.78,-138.48)  428.82                80
 01/02/2017   07:09:55   (   0.04,-134.65) (   0.92,-130.36)  487.45                80
 01/02/2017   19:33:51   (  -0.03,-134.62) (   0.14,-135.53)  102.17                80
 01/04/2017   19:18:58   (  -0.03,-134.53) (  -0.45,-132.56)  223.99                80
 01/05/2017   07:43:01   (   0.01,-134.51) (  -0.70,-137.74)  367.53                80
 01/07/2017   07:30:49   (   0.02,-134.41) (  -0.05,-134.78)   42.38                80
 01/09/2017   07:15:56   (   0.02,-134.30) (   0.56,-131.82)  282.06                80
 01/09/2017   19:39:51   (  -0.01,-134.25) (   0.57,-136.97)  308.56                80