Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 5 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)
 05/23/2021   06:55:09   (   0.05,-128.31) (   0.33,-127.11)  137.22                80
 05/23/2021   19:16:23   (  -0.05,-128.33) (   0.76,-132.27)  447.25                80
 05/25/2021   06:42:55   (   0.04,-128.35) (   0.93,-124.15)  477.63                80
 05/25/2021   19:04:09   (  -0.05,-128.37) (   0.15,-129.31)  106.77                80
 05/27/2021   18:54:35   (  -0.05,-128.40) (  -0.46,-126.34)  232.73                80
 05/28/2021   07:15:59   (   0.06,-128.40) (  -0.62,-131.54)  357.16                80
 05/30/2021   07:03:46   (   0.06,-128.42) (   0.05,-128.59)   18.71                80
 06/01/2021   06:48:52   (   0.07,-128.44) (   0.68,-125.63)  320.16                80
 06/01/2021   19:10:07   (  -0.07,-128.44) (   0.41,-130.79)  266.17                80
 06/03/2021   19:00:33   (  -0.07,-128.47) (  -0.21,-127.83)   72.79                80
 06/05/2021   18:48:19   (  -0.07,-128.49) (  -0.84,-124.87)  411.65                80