Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 11 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)
 11/23/2017   07:28:21   (   0.17,-135.15) (   0.23,-134.87)   31.97                80
 11/25/2017   07:16:09   (   0.17,-135.20) (   0.84,-131.90)  374.14                80
 11/25/2017   19:37:25   (  -0.16,-135.15) (   0.23,-137.06)  217.42                80
 11/27/2017   19:27:53   (  -0.15,-135.19) (  -0.38,-134.10)  124.23                80
 11/28/2017   07:49:17   (   0.14,-135.27) (  -0.72,-139.29)  456.75                80
 11/29/2017   19:15:42   (  -0.15,-135.23) (  -1.06,-131.15)  465.23                80
 11/30/2017   07:37:05   (   0.14,-135.31) (  -0.10,-136.33)  116.14                80
 12/02/2017   07:22:14   (   0.14,-135.34) (   0.57,-133.38)  223.64                80
 12/02/2017   19:46:09   (  -0.13,-135.27) (   0.56,-138.53)  369.65                80
 12/04/2017   19:33:57   (  -0.13,-135.30) (  -0.06,-135.56)   30.82                80
 12/06/2017   19:21:45   (  -0.13,-135.31) (  -0.68,-132.60)  307.48                80