Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/15/2017   19:19:08   (  -0.04,-135.28) (  -0.59,-132.59)  304.35                80
 07/16/2017   07:43:12   (   0.01,-135.20) (  -0.54,-137.78)  293.96                80
 07/18/2017   07:28:22   (   0.02,-135.15) (   0.10,-134.83)   35.93                80
 07/20/2017   07:16:11   (   0.02,-135.09) (   0.68,-131.87)  365.05                80
 07/20/2017   19:40:07   (   0.01,-135.14) (   0.41,-137.03)  215.41                80
 07/22/2017   19:25:17   (  -0.00,-135.07) (  -0.23,-134.08)  112.86                80
 07/23/2017   07:49:20   (  -0.03,-134.99) (  -0.95,-139.26)  485.76                80
 07/24/2017   19:13:06   (  -0.01,-135.00) (  -0.83,-131.12)  440.78                80
 07/25/2017   07:37:10   (  -0.02,-134.92) (  -0.29,-136.31)  157.89                80
 07/27/2017   07:22:19   (  -0.01,-134.85) (   0.31,-133.35)  169.82                80
 07/27/2017   19:46:15   (   0.04,-134.89) (   0.79,-138.51)  411.17                80
 07/29/2017   07:10:08   (  -0.00,-134.77) (   0.91,-130.40)  497.36                80