Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2021   06:53:45   (  -0.01,-128.15) (   0.21,-127.07)  122.66                80
 08/11/2021   19:17:40   (   0.03,-128.08) (   0.88,-132.23)  471.30                80
 08/13/2021   06:41:32   (   0.00,-128.19) (   0.86,-124.12)  462.39                80
 08/13/2021   19:05:26   (   0.03,-128.11) (   0.29,-129.26)  131.60                80
 08/15/2021   18:50:33   (   0.02,-128.14) (  -0.36,-126.31)  207.45                80
 08/16/2021   07:14:37   (  -0.05,-128.23) (  -0.73,-131.51)  372.09                80
 08/18/2021   07:02:23   (  -0.05,-128.25) (  -0.13,-128.54)   34.11                80
 08/20/2021   06:47:30   (  -0.04,-128.26) (   0.53,-125.59)  303.37                80
 08/20/2021   19:11:24   (   0.07,-128.17) (   0.62,-130.74)  291.77                80
 08/22/2021   18:56:31   (   0.06,-128.18) (  -0.04,-127.79)   45.77                80