Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 11 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2017   07:22:17   (   0.20,-134.91) (   0.53,-133.40)  172.35                80
 11/16/2017   19:43:32   (  -0.19,-134.88) (   0.60,-138.55)  417.21                80
 11/18/2017   19:31:21   (  -0.19,-134.96) (  -0.05,-135.59)   72.69                80
 11/20/2017   19:21:50   (  -0.19,-135.02) (  -0.71,-132.64)  271.21                80
 11/21/2017   07:43:13   (   0.17,-135.10) (  -0.40,-137.83)  310.58                80
 11/23/2017   07:28:22   (   0.17,-135.16) (   0.26,-134.88)   32.52                80
 11/25/2017   07:16:11   (   0.17,-135.21) (   0.86,-131.91)  374.81                80
 11/25/2017   19:37:26   (  -0.15,-135.16) (   0.22,-137.07)  216.49                80
 11/27/2017   19:27:54   (  -0.15,-135.21) (  -0.38,-134.11)  125.47                80
 11/28/2017   07:49:18   (   0.14,-135.29) (  -0.72,-139.30)  455.63                80
 11/29/2017   19:15:43   (  -0.15,-135.26) (  -1.03,-131.15)  466.73                80