Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/12/2019   06:51:22   (   0.12,-128.32) (   0.66,-125.67)  300.42                80
 06/12/2019   19:15:17   (  -0.11,-128.35) (   0.39,-130.83)  282.33                80
 06/14/2019   19:00:24   (  -0.11,-128.32) (  -0.18,-127.86)   50.82                80
 06/16/2019   18:48:12   (  -0.12,-128.28) (  -0.82,-124.91)  383.27                80
 06/17/2019   07:12:16   (   0.10,-128.24) (  -0.30,-130.10)  211.37                80
 06/19/2019   06:57:24   (   0.11,-128.20) (   0.34,-127.14)  120.43                80
 06/19/2019   19:21:19   (  -0.09,-128.22) (   0.77,-132.29)  463.24                80
 06/21/2019   06:45:12   (   0.12,-128.15) (   0.98,-124.18)  451.97                80
 06/21/2019   19:09:07   (  -0.10,-128.17) (   0.13,-129.34)  131.69                80
 06/23/2019   18:54:14   (  -0.11,-128.13) (  -0.45,-126.37)  199.71                80
 06/24/2019   07:18:18   (   0.09,-128.09) (  -0.65,-131.56)  394.41                80