Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2019   06:51:29   (   0.11,-128.29) (   0.66,-125.69)  295.40                80
 05/11/2019   19:12:45   (  -0.11,-128.32) (   0.41,-130.85)  287.57                80
 05/13/2019   19:03:13   (  -0.11,-128.35) (  -0.18,-127.89)   51.92                80
 05/15/2019   18:51:02   (  -0.11,-128.38) (  -0.84,-124.94)  391.11                80
 05/16/2019   07:12:26   (   0.11,-128.37) (  -0.28,-130.13)  200.68                80
 05/18/2019   06:57:35   (   0.11,-128.39) (   0.38,-127.18)  138.12                80
 05/18/2019   19:21:30   (  -0.11,-128.42) (   0.74,-132.33)  445.40                80
 05/20/2019   06:45:23   (   0.12,-128.41) (   0.99,-124.22)  476.37                80
 05/20/2019   19:09:19   (  -0.11,-128.44) (   0.08,-129.38)  107.21                80
 05/22/2019   18:54:27   (  -0.12,-128.45) (  -0.52,-126.42)  230.54                80
 05/23/2019   07:18:31   (   0.11,-128.44) (  -0.59,-131.61)  361.20                80