Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2019   19:00:25   (  -0.11,-128.32) (  -0.22,-127.87)   51.06                80
 06/16/2019   18:48:13   (  -0.12,-128.28) (  -0.86,-124.91)  383.46                80
 06/17/2019   07:12:16   (   0.10,-128.23) (  -0.32,-130.09)  211.68                80
 06/19/2019   06:57:24   (   0.11,-128.19) (   0.33,-127.13)  120.02                80
 06/19/2019   19:21:18   (  -0.09,-128.21) (   0.78,-132.29)  463.22                80
 06/21/2019   06:45:12   (   0.12,-128.15) (   0.98,-124.18)  451.47                80
 06/21/2019   19:09:06   (  -0.10,-128.17) (   0.13,-129.33)  131.75                80
 06/23/2019   18:54:14   (  -0.11,-128.12) (  -0.47,-126.36)  199.57                80
 06/24/2019   07:18:17   (   0.09,-128.08) (  -0.64,-131.56)  394.98                80
 06/26/2019   07:06:04   (   0.09,-128.03) (  -0.04,-128.59)   64.09                80