Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2019   07:06:14   (   0.12,-128.35) (   0.05,-128.63)   32.89                80
 06/12/2019   06:51:22   (   0.12,-128.32) (   0.68,-125.68)  300.57                80
 06/12/2019   19:15:17   (  -0.11,-128.35) (   0.43,-130.83)  282.48                80
 06/14/2019   19:00:25   (  -0.11,-128.32) (  -0.21,-127.87)   50.67                80
 06/16/2019   18:48:13   (  -0.12,-128.28) (  -0.85,-124.91)  383.30                80
 06/17/2019   07:12:16   (   0.10,-128.24) (  -0.32,-130.09)  210.99                80
 06/19/2019   06:57:24   (   0.11,-128.20) (   0.32,-127.14)  120.96                80
 06/19/2019   19:21:18   (  -0.09,-128.22) (   0.79,-132.29)  463.01                80
 06/21/2019   06:45:12   (   0.12,-128.16) (   0.96,-124.18)  452.61                80
 06/21/2019   19:09:07   (  -0.10,-128.18) (   0.15,-129.33)  131.32                80
 06/23/2019   18:54:15   (  -0.11,-128.13) (  -0.50,-126.38)  200.15                80