Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2018   19:03:05   (  -0.17,-128.52) (  -0.30,-127.88)   72.53                80
 12/06/2018   18:50:51   (  -0.17,-128.55) (  -0.93,-124.91)  413.26                80
 12/07/2018   07:12:14   (   0.16,-128.58) (  -0.19,-130.09)  172.50                80
 12/09/2018   06:57:20   (   0.16,-128.60) (   0.46,-127.13)  167.43                80
 12/09/2018   19:18:35   (  -0.14,-128.57) (   0.64,-132.28)  421.67                80
 12/11/2018   19:06:21   (  -0.14,-128.59) (  -0.02,-129.32)   81.83                80
 12/13/2018   18:56:46   (  -0.14,-128.61) (  -0.62,-126.34)  257.86                80
 12/14/2018   07:18:09   (   0.12,-128.66) (  -0.48,-131.53)  326.26                80
 12/16/2018   07:03:14   (   0.12,-128.67) (   0.14,-128.55)   12.73                80