Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 12 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2017   07:22:13   (   0.14,-135.35) (   0.55,-133.37)  225.28                80
 12/02/2017   19:43:27   (  -0.13,-135.30) (   0.57,-138.52)  366.53                80
 12/04/2017   19:31:15   (  -0.13,-135.32) (  -0.08,-135.56)   26.81                80
 12/06/2017   19:21:43   (  -0.13,-135.34) (  -0.68,-132.59)  312.35                80
 12/07/2017   07:43:06   (   0.11,-135.41) (  -0.41,-137.78)  269.59                80
 12/09/2017   07:28:14   (   0.11,-135.43) (   0.26,-134.83)   69.07                80
 12/11/2017   07:16:01   (   0.11,-135.44) (   0.88,-131.86)  407.57                80
 12/11/2017   19:37:16   (  -0.10,-135.37) (   0.24,-137.01)  185.66                80
 12/13/2017   19:27:43   (  -0.10,-135.39) (  -0.39,-134.04)  152.62                80
 12/14/2017   07:49:07   (   0.09,-135.46) (  -0.69,-139.24)  428.53                80