Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 13.  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) (  -0.23,-127.87)   50.93                80
 06/16/2019   18:48:12   (  -0.12,-128.28) (  -0.81,-124.90)  383.32                80
 06/17/2019   07:12:16   (   0.10,-128.24) (  -0.30,-130.09)  211.56                80
 06/19/2019   06:57:24   (   0.11,-128.19) (   0.34,-127.14)  120.19                80
 06/19/2019   19:21:19   (  -0.09,-128.22) (   0.77,-132.29)  463.27                80
 06/21/2019   06:45:12   (   0.12,-128.15) (   0.98,-124.18)  451.69                80
 06/21/2019   19:09:07   (  -0.10,-128.17) (   0.12,-129.34)  131.76                80
 06/23/2019   18:54:14   (  -0.11,-128.13) (  -0.46,-126.37)  199.61                80
 06/24/2019   07:18:18   (   0.09,-128.08) (  -0.64,-131.56)  394.71                80
 06/26/2019   07:06:05   (   0.09,-128.03) (  -0.05,-128.59)   63.84                80