Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/31/2021   18:52:59   (  -0.29,-128.23) (  -0.66,-126.37)  211.54                80
 09/01/2021   07:11:44   (   0.32,-128.28) (  -0.36,-131.58)  374.50                80
 09/03/2021   06:59:30   (   0.31,-128.26) (   0.26,-128.62)   39.57                80
 09/05/2021   06:49:55   (   0.31,-128.25) (   0.84,-125.65)  295.11                80
 09/05/2021   19:08:30   (  -0.33,-128.19) (   0.25,-130.81)  297.93                80
 09/07/2021   18:58:56   (  -0.33,-128.17) (  -0.39,-127.85)   36.24                80
 09/09/2021   18:46:42   (  -0.33,-128.14) (  -1.03,-124.89)  370.08                80
 09/10/2021   07:05:26   (   0.35,-128.19) (  -0.04,-130.09)  215.87                80
 09/12/2021   06:55:51   (   0.34,-128.15) (   0.55,-127.12)  117.11                80
 09/12/2021   19:14:26   (  -0.36,-128.09) (   0.53,-132.28)  476.75                80