Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 11 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/20/2017   19:21:49   (  -0.19,-135.02) (  -0.67,-132.63)  270.87                80
 11/21/2017   07:43:12   (   0.17,-135.09) (  -0.43,-137.82)  310.76                80
 11/23/2017   07:28:21   (   0.17,-135.15) (   0.23,-134.87)   31.97                80
 11/25/2017   07:16:09   (   0.17,-135.20) (   0.85,-131.90)  374.24                80
 11/25/2017   19:37:25   (  -0.15,-135.15) (   0.23,-137.07)  217.34                80
 11/27/2017   19:27:53   (  -0.15,-135.20) (  -0.38,-134.10)  124.42                80
 11/28/2017   07:49:17   (   0.14,-135.28) (  -0.71,-139.29)  456.48                80
 11/29/2017   19:15:41   (  -0.15,-135.24) (  -1.00,-131.14)  465.53                80
 11/30/2017   07:37:05   (   0.14,-135.32) (  -0.09,-136.33)  115.72                80
 12/02/2017   07:22:14   (   0.14,-135.35) (   0.59,-133.38)  224.19                80
 12/02/2017   19:46:09   (  -0.13,-135.28) (   0.55,-138.53)  369.14                80