Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 11 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/02/2017   07:10:06   (   0.25,-134.74) (   1.19,-130.47)  486.44                80
 11/02/2017   19:31:21   (  -0.24,-134.72) (  -0.06,-135.62)  101.92                80
 11/04/2017   19:21:50   (  -0.24,-134.63) (  -0.69,-132.66)  224.67                80
 11/05/2017   07:43:14   (   0.23,-134.61) (  -0.43,-137.85)  367.09                80
 11/07/2017   07:31:02   (   0.23,-134.51) (   0.15,-134.88)   41.70                80
 11/09/2017   07:16:10   (   0.22,-134.40) (   0.73,-131.91)  282.99                80
 11/09/2017   19:37:26   (  -0.21,-134.36) (   0.35,-137.07)  307.83                80
 11/11/2017   19:27:54   (  -0.21,-134.25) (  -0.24,-134.10)   16.68                80
 11/13/2017   19:15:42   (  -0.21,-134.14) (  -0.82,-131.13)  341.02                80
 11/14/2017   07:37:05   (   0.20,-134.13) (  -0.28,-136.32)  249.49                80