Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 7 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)
 07/11/2020   18:56:45   (   0.01,-128.32) (  -0.43,-126.32)  226.70                80
 07/12/2020   07:18:08   (  -0.00,-128.34) (  -0.71,-131.51)  361.76                80
 07/14/2020   07:05:58   (  -0.01,-128.36) (  -0.08,-128.56)   23.66                80
 07/16/2020   06:51:10   (  -0.01,-128.38) (   0.58,-125.62)  314.06                80
 07/16/2020   19:12:25   (   0.01,-128.37) (   0.52,-130.77)  273.85                80
 07/18/2020   19:02:56   (   0.02,-128.38) (  -0.09,-127.82)   62.52                80
 07/20/2020   18:50:48   (   0.02,-128.38) (  -0.74,-124.88)  397.87                80
 07/21/2020   07:12:13   (  -0.02,-128.40) (  -0.37,-130.08)  190.68                80
 07/23/2020   06:57:25   (  -0.02,-128.40) (   0.24,-127.13)  143.42                80
 07/23/2020   19:18:42   (   0.01,-128.37) (   0.84,-132.30)  446.18                80