Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 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)
 10/31/2017   07:22:18   (   0.25,-134.82) (   0.57,-133.43)  158.96                80
 10/31/2017   19:43:32   (  -0.24,-134.80) (   0.58,-138.58)  430.18                80
 11/02/2017   07:10:07   (   0.25,-134.74) (   1.15,-130.47)  485.65                80
 11/02/2017   19:31:22   (  -0.24,-134.71) (  -0.05,-135.62)  103.47                80
 11/04/2017   19:21:52   (  -0.24,-134.62) (  -0.66,-132.67)  222.19                80
 11/05/2017   07:43:16   (   0.23,-134.61) (  -0.48,-137.85)  369.28                80
 11/07/2017   07:31:07   (   0.23,-134.51) (   0.16,-134.91)   45.11                80
 11/09/2017   07:16:17   (   0.23,-134.40) (   0.72,-131.94)  278.25                80
 11/09/2017   19:37:34   (  -0.21,-134.35) (   0.35,-137.11)  313.53                80
 11/11/2017   19:28:05   (  -0.21,-134.23) (  -0.24,-134.15)    9.40                80