Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 5 12.  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) (  -0.19,-127.89)   51.99                80
 05/15/2019   18:51:02   (  -0.11,-128.38) (  -0.86,-124.94)  391.29                80
 05/16/2019   07:12:26   (   0.11,-128.37) (  -0.26,-130.13)  200.61                80
 05/18/2019   06:57:34   (   0.11,-128.39) (   0.35,-127.17)  138.26                80
 05/18/2019   19:21:30   (  -0.11,-128.42) (   0.72,-132.34)  445.14                80
 05/20/2019   06:45:23   (   0.12,-128.41) (   1.02,-124.22)  476.57                80
 05/20/2019   19:09:18   (  -0.11,-128.44) (   0.10,-129.37)  106.88                80
 05/22/2019   18:54:27   (  -0.12,-128.45) (  -0.57,-126.43)  230.96                80
 05/23/2019   07:18:31   (   0.11,-128.44) (  -0.54,-131.62)  360.87                80
 05/25/2019   07:06:19   (   0.12,-128.45) (   0.08,-128.66)   23.47                80