Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 12 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2018   06:51:25   (   0.19,-128.49) (   0.79,-125.70)  318.28                80
 12/02/2018   19:12:40   (  -0.17,-128.48) (   0.31,-130.85)  268.56                80
 12/04/2018   19:03:06   (  -0.17,-128.52) (  -0.31,-127.88)   72.62                80
 12/06/2018   18:50:52   (  -0.17,-128.55) (  -0.94,-124.91)  413.42                80
 12/07/2018   07:12:14   (   0.16,-128.58) (  -0.18,-130.10)  172.36                80
 12/09/2018   06:57:21   (   0.16,-128.61) (   0.46,-127.13)  167.60                80
 12/09/2018   19:18:35   (  -0.14,-128.58) (   0.64,-132.28)  421.44                80
 12/11/2018   19:06:21   (  -0.14,-128.60) (  -0.01,-129.32)   81.53                80
 12/13/2018   18:56:46   (  -0.14,-128.61) (  -0.61,-126.34)  258.16                80
 12/14/2018   07:18:09   (   0.12,-128.66) (  -0.50,-131.53)  325.99                80