Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 12 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2017   19:21:44   (  -0.13,-135.35) (  -0.69,-132.60)  312.93                80
 12/07/2017   07:43:08   (   0.11,-135.41) (  -0.41,-137.79)  270.09                80
 12/09/2017   07:28:16   (   0.11,-135.43) (   0.21,-134.82)   68.45                80
 12/11/2017   07:16:05   (   0.11,-135.45) (   0.89,-131.87)  406.69                80
 12/11/2017   19:37:19   (  -0.10,-135.39) (   0.25,-137.02)  185.55                80
 12/13/2017   19:27:48   (  -0.10,-135.40) (  -0.37,-134.06)  152.37                80
 12/14/2017   07:49:11   (   0.08,-135.47) (  -0.73,-139.25)  429.94                80
 12/15/2017   19:15:37   (  -0.10,-135.41) (  -1.03,-131.11)  489.67                80
 12/16/2017   07:37:00   (   0.09,-135.48) (  -0.06,-136.30)   92.95                80
 12/18/2017   07:22:08   (   0.09,-135.48) (   0.54,-133.33)  243.43                80
 12/18/2017   19:46:03   (  -0.07,-135.41) (   0.61,-138.48)  350.37                80