Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/09/2021   07:17:02   (  -0.16,-128.31) (  -0.85,-131.49)  361.22                80
 03/11/2021   07:04:50   (  -0.16,-128.33) (  -0.19,-128.54)   23.12                80
 03/13/2021   06:49:57   (  -0.16,-128.35) (   0.42,-125.58)  315.14                80
 03/13/2021   19:11:13   (   0.16,-128.44) (   0.62,-130.75)  261.57                80
 03/15/2021   19:01:40   (   0.16,-128.46) (   0.01,-127.79)   76.49                80
 03/17/2021   18:49:27   (   0.15,-128.47) (  -0.60,-124.83)  414.04                80
 03/18/2021   07:10:51   (  -0.15,-128.39) (  -0.49,-130.02)  184.98                80
 03/20/2021   06:55:58   (  -0.15,-128.39) (   0.13,-127.06)  151.57                80
 03/20/2021   19:17:14   (   0.15,-128.47) (   0.92,-132.23)  426.35                80
 03/22/2021   06:43:45   (  -0.14,-128.39) (   0.76,-124.10)  487.43                80