Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 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)
 08/08/2021   18:44:35   (  -0.01,-128.02) (  -0.67,-124.83)  362.21                80
 08/09/2021   07:08:39   (  -0.02,-128.11) (  -0.42,-130.03)  217.65                80
 08/11/2021   06:53:46   (  -0.00,-128.15) (   0.23,-127.07)  122.11                80
 08/11/2021   19:17:39   (   0.03,-128.07) (   0.93,-132.22)  471.95                80
 08/13/2021   06:41:33   (   0.00,-128.18) (   0.88,-124.12)  461.60                80
 08/13/2021   19:05:26   (   0.03,-128.10) (   0.28,-129.27)  132.49                80
 08/15/2021   18:50:34   (   0.02,-128.13) (  -0.38,-126.31)  206.29                80
 08/16/2021   07:14:36   (  -0.05,-128.22) (  -0.77,-131.50)  373.26                80
 08/18/2021   07:02:23   (  -0.05,-128.23) (  -0.11,-128.55)   35.50                80
 08/20/2021   06:47:29   (  -0.04,-128.24) (   0.49,-125.58)  301.71                80
 08/20/2021   19:11:24   (   0.07,-128.15) (   0.60,-130.74)  293.56                80