Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 9 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)
 09/02/2017   07:43:31   (   0.26,-135.01) (  -0.37,-137.90)  328.44                80
 09/04/2017   07:31:20   (   0.25,-134.99) (   0.28,-134.95)    5.61                80
 09/06/2017   07:16:28   (   0.25,-134.97) (   0.86,-131.98)  338.75                80
 09/06/2017   19:37:44   (  -0.27,-135.03) (   0.21,-137.15)  241.70                80
 09/08/2017   19:28:13   (  -0.27,-135.00) (  -0.44,-134.20)   91.09                80
 09/10/2017   19:16:01   (  -0.26,-134.96) (  -1.04,-131.23)  423.25                80
 09/11/2017   07:37:25   (   0.28,-134.89) (  -0.07,-136.42)  175.10                80
 09/13/2017   07:22:33   (   0.27,-134.84) (   0.54,-133.46)  155.88                80
 09/13/2017   19:43:49   (  -0.29,-134.87) (   0.53,-138.62)  426.98                80
 09/15/2017   07:10:21   (   0.26,-134.78) (   1.15,-130.50)  486.11                80
 09/15/2017   19:31:37   (  -0.28,-134.82) (  -0.08,-135.66)   96.62                80