Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 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)
 11/20/2018   18:51:10   (  -0.23,-128.22) (  -0.89,-124.99)  366.80                80
 11/21/2018   07:12:34   (   0.22,-128.25) (  -0.19,-130.19)  220.38                80
 11/23/2018   06:57:41   (   0.22,-128.30) (   0.46,-127.23)  122.26                80
 11/23/2018   19:18:55   (  -0.21,-128.29) (   0.64,-132.38)  464.16                80
 11/25/2018   06:45:28   (   0.22,-128.34) (   1.12,-124.26)  464.19                80
 11/25/2018   19:06:42   (  -0.21,-128.34) (   0.05,-129.40)  122.17                80
 11/27/2018   18:57:09   (  -0.20,-128.37) (  -0.60,-126.44)  219.25                80
 11/28/2018   07:18:32   (   0.19,-128.41) (  -0.47,-131.64)  366.44                80
 11/30/2018   07:06:18   (   0.19,-128.44) (   0.12,-128.66)   25.79                80
 12/02/2018   06:51:26   (   0.19,-128.47) (   0.77,-125.70)  314.74                80
 12/02/2018   19:12:40   (  -0.17,-128.45) (   0.34,-130.86)  273.95                80