Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/30/2017   19:31:39   (  -0.24,-135.10) (  -0.12,-135.67)   64.06                80
 09/01/2017   19:22:08   (  -0.23,-135.09) (  -0.76,-132.71)  270.60                80
 09/02/2017   07:43:31   (   0.26,-135.01) (  -0.36,-137.90)  328.33                80
 09/04/2017   07:31:20   (   0.25,-134.99) (   0.28,-134.95)    5.70                80
 09/06/2017   07:16:28   (   0.25,-134.97) (   0.85,-131.98)  338.75                80
 09/06/2017   19:37:45   (  -0.27,-135.02) (   0.16,-137.16)  242.05                80
 09/08/2017   19:28:13   (  -0.27,-134.99) (  -0.41,-134.19)   90.65                80
 09/10/2017   19:16:02   (  -0.26,-134.96) (  -1.05,-131.24)  422.64                80
 09/11/2017   07:37:26   (   0.28,-134.89) (  -0.06,-136.43)  175.40                80