Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2017   07:25:09   (   0.14,-134.86) (   0.47,-133.42)  165.04                80
 08/12/2017   19:43:44   (  -0.17,-134.97) (   0.61,-138.58)  410.46                80
 08/14/2017   19:31:34   (  -0.17,-135.01) (  -0.05,-135.63)   70.53                80
 08/16/2017   19:22:03   (  -0.16,-135.04) (  -0.65,-132.67)  268.44                80
 08/17/2017   07:40:48   (   0.19,-134.95) (  -0.41,-137.88)  332.01                80
 08/19/2017   07:28:37   (   0.18,-134.97) (   0.19,-134.92)    6.02                80
 08/21/2017   07:19:07   (   0.18,-134.99) (   0.85,-131.97)  343.59                80
 08/21/2017   19:37:43   (  -0.21,-135.08) (   0.24,-137.13)  233.70                80
 08/23/2017   19:28:13   (  -0.21,-135.09) (  -0.41,-134.18)  103.75                80
 08/24/2017   07:46:57   (   0.23,-135.02) (  -0.71,-139.37)  495.45                80
 08/25/2017   19:16:02   (  -0.20,-135.11) (  -1.01,-131.23)  441.02                80