Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2017   19:28:12   (  -0.21,-135.10) (  -0.41,-134.18)  105.24                80
 08/24/2017   07:46:55   (   0.23,-135.03) (  -0.71,-139.37)  494.11                80
 08/25/2017   19:16:01   (  -0.20,-135.12) (  -1.03,-131.22)  442.52                80
 08/26/2017   07:34:44   (   0.23,-135.04) (  -0.09,-136.41)  157.13                80
 08/28/2017   07:25:13   (   0.22,-135.04) (   0.53,-133.46)  179.42                80
 08/28/2017   19:43:50   (  -0.25,-135.12) (   0.50,-138.63)  399.48                80
 08/30/2017   19:31:39   (  -0.24,-135.12) (  -0.12,-135.68)   63.57                80
 09/01/2017   19:22:08   (  -0.23,-135.11) (  -0.74,-132.72)  271.56                80
 09/02/2017   07:43:32   (   0.26,-135.04) (  -0.37,-137.91)  327.07                80
 09/04/2017   07:28:41   (   0.25,-135.02) (   0.25,-134.96)    7.34                80