Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/16/2017   19:22:03   (  -0.16,-135.04) (  -0.66,-132.67)  269.20                80
 08/17/2017   07:40:47   (   0.19,-134.95) (  -0.46,-137.86)  331.48                80
 08/19/2017   07:31:17   (   0.19,-134.98) (   0.23,-134.92)    7.59                80
 08/21/2017   07:19:06   (   0.18,-135.00) (   0.85,-131.97)  345.09                80
 08/21/2017   19:37:42   (  -0.21,-135.09) (   0.23,-137.13)  231.69                80
 08/23/2017   19:28:11   (  -0.21,-135.11) (  -0.40,-134.18)  106.32                80
 08/24/2017   07:46:55   (   0.23,-135.03) (  -0.70,-139.37)  493.16                80
 08/25/2017   19:16:00   (  -0.20,-135.13) (  -1.04,-131.22)  444.21                80
 08/26/2017   07:34:44   (   0.23,-135.05) (  -0.06,-136.41)  155.54                80
 08/28/2017   07:25:13   (   0.22,-135.06) (   0.59,-133.46)  181.65                80
 08/28/2017   19:43:49   (  -0.25,-135.13) (   0.50,-138.62)  396.79                80