Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 11 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2017   07:22:17   (   0.20,-134.92) (   0.53,-133.40)  172.76                80
 11/16/2017   19:43:32   (  -0.19,-134.89) (   0.60,-138.55)  416.44                80
 11/18/2017   19:31:21   (  -0.19,-134.97) (  -0.05,-135.59)   71.53                80
 11/20/2017   19:21:50   (  -0.19,-135.04) (  -0.70,-132.64)  272.76                80
 11/21/2017   07:43:13   (   0.17,-135.11) (  -0.40,-137.83)  309.16                80
 11/23/2017   07:28:23   (   0.17,-135.17) (   0.25,-134.88)   34.19                80
 11/25/2017   07:16:11   (   0.17,-135.23) (   0.85,-131.91)  376.98                80
 11/25/2017   19:37:26   (  -0.16,-135.19) (   0.23,-137.07)  214.04                80
 11/27/2017   19:27:55   (  -0.15,-135.24) (  -0.42,-134.12)  128.30                80
 11/28/2017   07:49:19   (   0.14,-135.32) (  -0.68,-139.31)  452.86                80