Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/27/2017   07:49:19   (   0.25,-134.98) (  -0.68,-139.35)  496.69                80
 10/28/2017   19:15:43   (  -0.25,-134.92) (  -1.04,-131.19)  423.58                80
 10/29/2017   07:37:07   (   0.25,-134.90) (  -0.07,-136.38)  168.42                80
 10/31/2017   07:22:15   (   0.25,-134.82) (   0.54,-133.42)  159.20                80
 10/31/2017   19:43:31   (  -0.24,-134.79) (   0.54,-138.58)  430.39                80
 11/02/2017   07:10:03   (   0.25,-134.74) (   1.14,-130.46)  486.20                80
 11/02/2017   19:31:19   (  -0.24,-134.71) (  -0.07,-135.62)  103.36                80
 11/04/2017   19:21:47   (  -0.24,-134.61) (  -0.66,-132.66)  222.80                80
 11/05/2017   07:43:11   (   0.23,-134.61) (  -0.44,-137.85)  368.06                80
 11/07/2017   07:30:59   (   0.23,-134.50) (   0.16,-134.88)   43.16                80
 11/09/2017   07:16:07   (   0.22,-134.39) (   0.75,-131.92)  281.03                80
 11/09/2017   19:37:22   (  -0.21,-134.34) (   0.39,-137.07)  310.96                80