Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2020   06:44:59   (  -0.04,-128.12) (   0.78,-124.10)  456.51                80
 09/11/2020   19:08:55   (   0.05,-128.09) (   0.28,-129.26)  132.90                80
 09/13/2020   18:54:03   (   0.05,-128.13) (  -0.33,-126.30)  208.37                80
 09/14/2020   07:18:07   (  -0.06,-128.19) (  -0.78,-131.49)  375.75                80
 09/16/2020   07:05:56   (  -0.06,-128.23) (  -0.11,-128.54)   35.19                80
 09/18/2020   06:51:04   (  -0.06,-128.26) (   0.51,-125.58)  305.11                80
 09/18/2020   19:14:58   (   0.07,-128.23) (   0.61,-130.73)  284.84                80
 09/20/2020   19:00:07   (   0.06,-128.26) (  -0.01,-127.77)   54.97                80
 09/22/2020   18:47:56   (   0.07,-128.29) (  -0.70,-124.83)  394.13                80
 09/23/2020   07:11:59   (  -0.08,-128.34) (  -0.41,-130.02)  190.38                80