Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 7 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2019   06:45:02   (   0.02,-128.03) (   0.84,-124.14)  443.15                80
 07/23/2019   19:08:57   (   0.01,-128.06) (   0.29,-129.29)  139.99                80
 07/25/2019   18:54:06   (   0.01,-128.11) (  -0.37,-126.34)  201.77                80
 07/26/2019   07:18:09   (  -0.04,-128.12) (  -0.74,-131.53)  386.89                80
 07/28/2019   07:05:57   (  -0.04,-128.16) (  -0.13,-128.57)   46.08                80
 07/30/2019   06:51:07   (  -0.03,-128.20) (   0.54,-125.62)  293.81                80
 07/30/2019   19:15:01   (   0.06,-128.21) (   0.58,-130.77)  290.65                80
 08/01/2019   19:00:09   (   0.05,-128.24) (  -0.03,-127.81)   48.61                80
 08/03/2019   18:47:57   (   0.04,-128.27) (  -0.66,-124.85)  387.65                80
 08/04/2019   07:12:01   (  -0.08,-128.27) (  -0.44,-130.04)  200.96                80