Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2016   07:16:06   (   0.07,-135.01) (   0.72,-131.87)  356.35                80
 12/24/2016   19:40:02   (  -0.05,-134.99) (   0.35,-137.04)  232.01                80
 12/26/2016   19:25:10   (  -0.06,-134.92) (  -0.27,-134.08)   96.91                80
 12/27/2016   07:49:13   (   0.04,-134.91) (  -0.89,-139.26)  494.34                80
 12/28/2016   19:12:57   (  -0.06,-134.85) (  -0.83,-131.10)  425.05                80
 12/29/2016   07:37:01   (   0.04,-134.83) (  -0.26,-136.30)  166.37                80
 12/31/2016   07:22:09   (   0.04,-134.75) (   0.36,-133.34)  161.01                80
 12/31/2016   19:46:03   (  -0.03,-134.72) (   0.77,-138.49)  428.39                80
 01/02/2017   07:09:56   (   0.04,-134.66) (   0.93,-130.37)  487.87                80
 01/02/2017   19:33:52   (  -0.03,-134.63) (   0.14,-135.53)  101.66                80
 01/04/2017   19:18:59   (  -0.03,-134.54) (  -0.43,-132.56)  224.59                80
 01/05/2017   07:43:02   (   0.02,-134.52) (  -0.65,-137.75)  366.94                80