Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 22.  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   19:28:11   (  -0.21,-135.10) (  -0.40,-134.18)  105.27                80
 08/24/2017   07:46:55   (   0.23,-135.03) (  -0.71,-139.37)  494.14                80
 08/25/2017   19:16:00   (  -0.20,-135.12) (  -1.03,-131.22)  442.64                80
 08/26/2017   07:34:44   (   0.23,-135.04) (  -0.08,-136.41)  157.03                80
 08/28/2017   07:25:13   (   0.22,-135.04) (   0.55,-133.46)  179.64                80
 08/28/2017   19:43:50   (  -0.25,-135.12) (   0.48,-138.63)  399.14                80
 08/30/2017   19:31:38   (  -0.24,-135.12) (  -0.10,-135.67)   63.08                80
 09/01/2017   19:22:07   (  -0.23,-135.11) (  -0.74,-132.72)  272.30                80
 09/02/2017   07:43:31   (   0.26,-135.04) (  -0.36,-137.91)  326.32                80
 09/04/2017   07:31:20   (   0.25,-135.03) (   0.28,-134.96)    8.37                80