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   18:53:00   (  -0.29,-128.23) (  -0.70,-126.38)  211.50                80
 09/01/2021   07:11:44   (   0.32,-128.28) (  -0.38,-131.57)  374.45                80
 09/03/2021   06:59:30   (   0.31,-128.26) (   0.25,-128.61)   39.41                80
 09/05/2021   06:49:56   (   0.31,-128.25) (   0.88,-125.66)  295.17                80
 09/05/2021   19:08:31   (  -0.33,-128.19) (   0.20,-130.81)  297.95                80
 09/07/2021   18:58:56   (  -0.33,-128.17) (  -0.38,-127.84)   36.32                80
 09/09/2021   18:46:42   (  -0.33,-128.14) (  -1.02,-124.89)  370.09                80
 09/10/2021   07:05:26   (   0.35,-128.19) (  -0.05,-130.09)  215.76                80
 09/12/2021   06:55:51   (   0.34,-128.15) (   0.53,-127.12)  117.26                80
 09/12/2021   19:14:25   (  -0.36,-128.09) (   0.55,-132.28)  476.74                80