Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2018   07:17:12   (   0.32,-135.55) (   1.06,-132.17)  384.42                80
 09/25/2018   19:38:27   (  -0.33,-135.61) (   0.06,-137.32)  196.04                80
 09/27/2018   19:28:55   (  -0.33,-135.63) (  -0.59,-134.37)  143.02                80
 09/28/2018   07:50:19   (   0.34,-135.59) (  -0.51,-139.56)  451.53                80
 09/29/2018   19:16:43   (  -0.33,-135.65) (  -1.24,-131.42)  481.26                80
 09/30/2018   07:38:07   (   0.34,-135.61) (   0.15,-136.61)  113.73                80
 10/02/2018   07:23:14   (   0.33,-135.61) (   0.74,-133.64)  223.17                80
 10/02/2018   19:44:30   (  -0.34,-135.64) (   0.32,-138.81)  359.49                80
 10/04/2018   19:32:17   (  -0.33,-135.64) (  -0.28,-135.84)   23.26                80
 10/06/2018   19:22:45   (  -0.33,-135.63) (  -0.93,-132.89)  312.57                80
 10/07/2018   07:44:08   (   0.34,-135.60) (  -0.22,-138.07)  281.19                80