Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 9.  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) (   0.07,-128.64)   32.83                80
 06/12/2019   06:51:22   (   0.12,-128.32) (   0.70,-125.68)  300.67                80
 06/12/2019   19:15:17   (  -0.11,-128.34) (   0.41,-130.83)  282.53                80
 06/14/2019   19:00:25   (  -0.11,-128.32) (  -0.23,-127.88)   50.74                80
 06/16/2019   18:48:12   (  -0.12,-128.28) (  -0.81,-124.91)  383.32                80
 06/17/2019   07:12:16   (   0.10,-128.24) (  -0.29,-130.10)  210.80                80
 06/19/2019   06:57:24   (   0.11,-128.20) (   0.35,-127.14)  121.18                80
 06/19/2019   19:21:19   (  -0.09,-128.22) (   0.76,-132.29)  462.92                80
 06/21/2019   06:45:11   (   0.12,-128.16) (   0.95,-124.17)  452.87                80
 06/21/2019   19:09:06   (  -0.10,-128.18) (   0.17,-129.33)  131.19                80