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)
 07/12/2020   07:18:09   (  -0.00,-128.33) (  -0.65,-131.52)  361.79                80
 07/14/2020   07:05:58   (  -0.01,-128.36) (  -0.08,-128.56)   23.66                80
 07/16/2020   06:51:09   (  -0.01,-128.38) (   0.59,-125.62)  314.04                80
 07/16/2020   19:12:25   (   0.01,-128.36) (   0.51,-130.77)  273.80                80
 07/18/2020   19:02:56   (   0.02,-128.37) (  -0.11,-127.83)   62.60                80
 07/20/2020   18:50:47   (   0.02,-128.38) (  -0.70,-124.87)  397.98                80
 07/21/2020   07:12:12   (  -0.02,-128.40) (  -0.40,-130.07)  190.67                80
 07/23/2020   06:57:25   (  -0.02,-128.39) (   0.27,-127.14)  143.50                80
 07/23/2020   19:18:41   (   0.01,-128.37) (   0.86,-132.29)  446.01                80
 07/25/2020   06:45:17   (  -0.01,-128.39) (   0.86,-124.19)  477.14                80