Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 9 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/10/2017   19:16:02   (  -0.26,-135.17) (  -1.08,-131.24)  446.32                80
 09/11/2017   07:37:26   (   0.28,-135.13) (  -0.03,-136.43)  149.04                80
 09/13/2017   07:22:35   (   0.27,-135.17) (   0.66,-133.48)  192.74                80
 09/13/2017   19:43:50   (  -0.29,-135.23) (   0.41,-138.65)  387.46                80
 09/15/2017   19:31:37   (  -0.28,-135.28) (  -0.17,-135.68)   46.26                80
 09/17/2017   19:22:05   (  -0.28,-135.32) (  -0.82,-132.72)  294.68                80
 09/18/2017   07:43:29   (   0.29,-135.29) (  -0.27,-137.92)  299.24                80
 09/20/2017   07:28:36   (   0.29,-135.32) (   0.34,-134.95)   41.41                80
 09/22/2017   07:16:24   (   0.28,-135.35) (   1.03,-132.00)  381.74                80
 09/22/2017   19:37:39   (  -0.30,-135.40) (   0.09,-137.16)  200.07                80