Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2017   19:31:16   (  -0.13,-135.33) (  -0.08,-135.56)   26.12                80
 12/06/2017   19:21:44   (  -0.13,-135.35) (  -0.72,-132.60)  313.15                80
 12/07/2017   07:43:08   (   0.11,-135.42) (  -0.38,-137.79)  269.61                80
 12/09/2017   07:28:16   (   0.11,-135.43) (   0.27,-134.83)   69.19                80
 12/11/2017   07:16:03   (   0.11,-135.45) (   0.86,-131.86)  407.69                80
 12/11/2017   19:37:18   (  -0.10,-135.39) (   0.27,-137.01)  184.69                80
 12/13/2017   19:27:46   (  -0.10,-135.40) (  -0.39,-134.05)  153.60                80
 12/14/2017   07:49:09   (   0.08,-135.47) (  -0.70,-139.24)  428.38                80
 12/15/2017   19:15:34   (  -0.10,-135.41) (  -1.04,-131.09)  491.35                80
 12/16/2017   07:36:56   (   0.09,-135.48) (  -0.10,-136.28)   90.92                80