Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 7 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2019   18:54:06   (   0.01,-128.11) (  -0.37,-126.33)  202.24                80
 07/26/2019   07:18:09   (  -0.04,-128.12) (  -0.74,-131.52)  386.49                80
 07/28/2019   07:05:57   (  -0.04,-128.17) (  -0.15,-128.56)   45.66                80
 07/30/2019   06:51:07   (  -0.03,-128.20) (   0.52,-125.61)  294.37                80
 07/30/2019   19:15:01   (   0.06,-128.22) (   0.61,-130.76)  289.94                80
 08/01/2019   19:00:10   (   0.05,-128.25) (  -0.05,-127.82)   49.37                80
 08/03/2019   18:47:58   (   0.04,-128.28) (  -0.66,-124.85)  388.43                80
 08/04/2019   07:12:02   (  -0.08,-128.28) (  -0.45,-130.05)  200.31                80
 08/06/2019   06:57:10   (  -0.07,-128.31) (   0.17,-127.09)  138.42                80
 08/06/2019   19:21:05   (   0.10,-128.31) (   0.97,-132.24)  446.84                80