Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2017   07:28:15   (   0.11,-135.43) (   0.24,-134.83)   68.35                80
 12/11/2017   07:16:02   (   0.11,-135.44) (   0.86,-131.86)  406.93                80
 12/11/2017   19:39:57   (  -0.09,-135.39) (   0.26,-137.01)  184.72                80
 12/13/2017   19:27:44   (  -0.10,-135.40) (  -0.37,-134.05)  153.68                80
 12/14/2017   07:49:08   (   0.08,-135.46) (  -0.70,-139.24)  429.01                80
 12/15/2017   19:15:31   (  -0.10,-135.41) (  -1.02,-131.08)  491.62                80
 12/16/2017   07:36:54   (   0.09,-135.47) (  -0.10,-136.27)   91.34                80
 12/18/2017   07:22:01   (   0.09,-135.47) (   0.57,-133.31)  245.84                80
 12/18/2017   19:45:55   (  -0.07,-135.40) (   0.60,-138.45)  347.17                80
 12/20/2017   19:33:41   (  -0.07,-135.39) (  -0.03,-135.48)   10.83                80