Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 12 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2017   07:22:13   (   0.14,-135.35) (   0.54,-133.36)  225.19                80
 12/02/2017   19:43:27   (  -0.13,-135.30) (   0.58,-138.51)  366.40                80
 12/04/2017   19:33:55   (  -0.13,-135.32) (  -0.05,-135.55)   26.83                80
 12/06/2017   19:21:43   (  -0.13,-135.35) (  -0.69,-132.59)  312.47                80
 12/07/2017   07:43:07   (   0.11,-135.42) (  -0.39,-137.79)  269.69                80
 12/09/2017   07:28:15   (   0.11,-135.43) (   0.25,-134.83)   68.91                80
 12/11/2017   07:16:02   (   0.11,-135.45) (   0.85,-131.86)  407.35                80
 12/11/2017   19:39:57   (  -0.10,-135.38) (   0.28,-137.01)  185.72                80
 12/13/2017   19:27:45   (  -0.10,-135.39) (  -0.38,-134.05)  152.47                80
 12/14/2017   07:49:09   (   0.09,-135.47) (  -0.70,-139.24)  428.92                80
 12/15/2017   19:15:33   (  -0.10,-135.40) (  -1.04,-131.10)  490.10                80