Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/02/2021   07:02:40   (   0.02,-127.95) (  -0.11,-128.55)   67.32                80
 08/04/2021   06:47:47   (   0.03,-128.00) (   0.53,-125.59)  273.89                80
 08/04/2021   19:11:42   (   0.00,-127.93) (   0.57,-130.75)  319.37                80
 08/06/2021   18:56:49   (  -0.01,-127.98) (  -0.07,-127.79)   21.42                80
 08/08/2021   18:44:36   (  -0.02,-128.02) (  -0.71,-124.84)  361.44                80
 08/09/2021   07:08:38   (  -0.01,-128.11) (  -0.44,-130.02)  218.18                80
 08/11/2021   06:53:45   (   0.00,-128.14) (   0.21,-127.07)  121.37                80
 08/11/2021   19:17:40   (   0.03,-128.06) (   0.89,-132.23)  473.12                80
 08/13/2021   06:41:33   (   0.01,-128.17) (   0.86,-124.12)  460.61                80
 08/13/2021   19:05:26   (   0.02,-128.09) (   0.30,-129.26)  133.92                80