Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2019   19:03:13   (  -0.11,-128.35) (  -0.20,-127.89)   52.18                80
 05/15/2019   18:51:02   (  -0.11,-128.38) (  -0.86,-124.94)  391.55                80
 05/16/2019   07:12:26   (   0.11,-128.37) (  -0.25,-130.13)  200.52                80
 05/18/2019   06:57:34   (   0.11,-128.39) (   0.36,-127.17)  138.40                80
 05/18/2019   19:21:30   (  -0.11,-128.42) (   0.70,-132.34)  444.79                80
 05/20/2019   06:45:23   (   0.12,-128.41) (   1.04,-124.23)  476.81                80
 05/20/2019   19:09:18   (  -0.11,-128.44) (   0.08,-129.38)  106.42                80
 05/22/2019   18:54:26   (  -0.12,-128.46) (  -0.54,-126.42)  231.50                80
 05/23/2019   07:18:30   (   0.11,-128.44) (  -0.57,-131.61)  360.46                80
 05/25/2019   07:06:18   (   0.12,-128.45) (   0.06,-128.65)   23.02                80