Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 11.  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   06:53:46   (  -0.01,-128.15) (   0.22,-127.07)  122.81                80
 08/11/2021   19:17:39   (   0.04,-128.08) (   0.93,-132.22)  471.06                80
 08/13/2021   06:41:33   (   0.00,-128.19) (   0.88,-124.12)  462.69                80
 08/13/2021   19:05:26   (   0.03,-128.11) (   0.28,-129.27)  131.19                80
 08/15/2021   18:50:33   (   0.02,-128.14) (  -0.37,-126.31)  207.98                80
 08/16/2021   07:14:36   (  -0.05,-128.23) (  -0.77,-131.50)  371.56                80
 08/18/2021   07:02:23   (  -0.05,-128.25) (  -0.11,-128.55)   33.39                80
 08/20/2021   06:47:30   (  -0.04,-128.27) (   0.55,-125.60)  304.20                80
 08/20/2021   19:11:24   (   0.07,-128.18) (   0.61,-130.74)  290.88                80
 08/22/2021   18:56:30   (   0.06,-128.19) (   0.00,-127.78)   46.86                80
 08/24/2021   18:44:17   (   0.05,-128.21) (  -0.66,-124.83)  384.49                80