Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 11 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2018   07:12:34   (   0.22,-128.25) (  -0.18,-130.19)  220.51                80
 11/23/2018   06:57:41   (   0.22,-128.30) (   0.47,-127.23)  122.25                80
 11/23/2018   19:18:56   (  -0.21,-128.30) (   0.63,-132.38)  463.84                80
 11/25/2018   06:45:28   (   0.22,-128.34) (   1.12,-124.27)  464.28                80
 11/25/2018   19:06:42   (  -0.21,-128.34) (   0.04,-129.41)  121.73                80
 11/27/2018   18:57:09   (  -0.20,-128.38) (  -0.61,-126.45)  219.79                80
 11/28/2018   07:18:32   (   0.19,-128.41) (  -0.47,-131.64)  366.19                80
 11/30/2018   07:06:19   (   0.19,-128.45) (   0.12,-128.67)   25.40                80
 12/02/2018   06:51:26   (   0.19,-128.48) (   0.78,-125.70)  315.21                80
 12/02/2018   19:12:40   (  -0.17,-128.45) (   0.33,-130.86)  273.14                80
 12/04/2018   19:03:07   (  -0.17,-128.48) (  -0.32,-127.90)   67.44                80