Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2016   07:28:18   (   0.06,-135.07) (   0.12,-134.84)   26.76                80
 12/24/2016   07:16:06   (   0.07,-135.01) (   0.73,-131.88)  356.45                80
 12/24/2016   19:40:01   (  -0.05,-134.99) (   0.40,-137.03)  231.86                80
 12/26/2016   19:25:09   (  -0.06,-134.92) (  -0.22,-134.07)   97.10                80
 12/27/2016   07:49:13   (   0.04,-134.91) (  -0.88,-139.26)  494.07                80
 12/28/2016   19:12:57   (  -0.06,-134.85) (  -0.84,-131.11)  425.37                80
 12/29/2016   07:37:01   (   0.04,-134.84) (  -0.25,-136.30)  166.03                80
 12/31/2016   07:22:08   (   0.04,-134.75) (   0.32,-133.33)  161.47                80
 12/31/2016   19:46:04   (  -0.03,-134.72) (   0.76,-138.49)  427.96                80
 01/02/2017   07:09:56   (   0.04,-134.67) (   0.95,-130.37)  488.38                80
 01/02/2017   19:33:51   (  -0.03,-134.64) (   0.19,-135.52)  101.16                80
 01/04/2017   19:18:59   (  -0.03,-134.54) (  -0.44,-132.56)  225.18                80