Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/05/2021   19:00:03   (  -0.09,-128.09) (  -0.15,-127.82)   31.36                80
 07/07/2021   18:47:49   (  -0.10,-128.04) (  -0.75,-124.85)  361.23                80
 07/08/2021   07:09:13   (   0.09,-128.05) (  -0.34,-130.05)  227.21                80
 07/10/2021   06:54:19   (   0.09,-127.98) (   0.27,-127.09)  101.57                80
 07/10/2021   19:15:34   (  -0.08,-127.93) (   0.82,-132.24)  490.53                80
 07/12/2021   06:42:05   (   0.10,-127.91) (   0.88,-124.12)  429.89                80
 07/12/2021   19:03:20   (  -0.09,-127.86) (   0.22,-129.28)  162.15                80
 07/14/2021   18:53:46   (  -0.10,-127.78) (  -0.39,-126.32)  165.94                80
 07/15/2021   07:15:10   (   0.08,-127.80) (  -0.68,-131.52)  421.49                80
 07/16/2021   18:41:32   (  -0.11,-127.70) (  -1.01,-123.36)  493.70                80
 07/17/2021   07:02:56   (   0.09,-127.72) (  -0.07,-128.55)   93.98                80