Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 11 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2018   19:03:24   (  -0.23,-128.16) (  -0.28,-127.96)   22.14                80
 11/20/2018   18:51:11   (  -0.23,-128.22) (  -0.92,-125.00)  365.86                80
 11/21/2018   07:12:33   (   0.22,-128.25) (  -0.22,-130.18)  220.78                80
 11/23/2018   06:57:41   (   0.22,-128.29) (   0.42,-127.22)  121.65                80
 11/23/2018   19:18:55   (  -0.21,-128.28) (   0.69,-132.37)  465.51                80
 11/25/2018   06:45:28   (   0.22,-128.33) (   1.06,-124.26)  463.26                80
 11/25/2018   19:06:42   (  -0.21,-128.32) (   0.05,-129.41)  123.80                80
 11/27/2018   18:57:09   (  -0.20,-128.36) (  -0.59,-126.44)  217.30                80
 11/28/2018   07:18:33   (   0.19,-128.40) (  -0.49,-131.64)  367.85                80
 11/30/2018   07:06:20   (   0.19,-128.43) (   0.15,-128.67)   27.51                80