Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 9 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)
 09/06/2017   07:16:28   (   0.25,-134.97) (   0.87,-131.98)  338.76                80
 09/06/2017   19:37:44   (  -0.27,-135.03) (   0.21,-137.15)  240.75                80
 09/08/2017   19:28:13   (  -0.27,-135.01) (  -0.43,-134.19)   92.19                80
 09/10/2017   19:16:02   (  -0.26,-134.97) (  -1.07,-131.24)  424.45                80
 09/11/2017   07:37:26   (   0.28,-134.89) (  -0.04,-136.43)  174.77                80
 09/13/2017   07:22:35   (   0.27,-134.85) (   0.59,-133.48)  156.25                80
 09/13/2017   19:43:51   (  -0.29,-134.89) (   0.48,-138.64)  425.72                80
 09/15/2017   07:10:23   (   0.27,-134.79) (   1.17,-130.51)  486.47                80
 09/15/2017   19:31:39   (  -0.28,-134.84) (  -0.09,-135.67)   95.34                80
 09/17/2017   19:22:08   (  -0.28,-134.78) (  -0.73,-132.72)  234.55                80
 09/18/2017   07:43:32   (   0.29,-134.72) (  -0.38,-137.91)  363.10                80