Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2021   18:56:48   (  -0.00,-127.98) (  -0.06,-127.79)   21.74                80
 08/08/2021   18:44:35   (  -0.01,-128.02) (  -0.71,-124.84)  361.87                80
 08/09/2021   07:08:38   (  -0.02,-128.11) (  -0.44,-130.02)  218.01                80
 08/11/2021   06:53:45   (  -0.00,-128.14) (   0.20,-127.07)  121.62                80
 08/11/2021   19:17:40   (   0.03,-128.07) (   0.89,-132.23)  472.55                80
 08/13/2021   06:41:32   (   0.01,-128.17) (   0.85,-124.12)  460.91                80
 08/13/2021   19:05:26   (   0.03,-128.10) (   0.30,-129.26)  133.31                80
 08/15/2021   18:50:33   (   0.02,-128.12) (  -0.35,-126.31)  205.33                80
 08/16/2021   07:14:37   (  -0.05,-128.21) (  -0.73,-131.51)  374.21                80
 08/18/2021   07:02:23   (  -0.05,-128.22) (  -0.14,-128.54)   36.71                80