Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 5.  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) (  -0.05,-127.79)   21.55                80
 08/08/2021   18:44:35   (  -0.01,-128.02) (  -0.70,-124.84)  361.69                80
 08/09/2021   07:08:39   (  -0.01,-128.11) (  -0.39,-130.03)  218.18                80
 08/11/2021   06:53:45   (  -0.00,-128.14) (   0.19,-127.07)  121.42                80
 08/11/2021   19:17:40   (   0.03,-128.06) (   0.90,-132.22)  472.81                80
 08/13/2021   06:41:32   (   0.01,-128.17) (   0.84,-124.11)  460.64                80
 08/13/2021   19:05:27   (   0.02,-128.09) (   0.25,-129.27)  133.61                80
 08/15/2021   18:50:33   (   0.02,-128.11) (  -0.34,-126.31)  204.97                80
 08/16/2021   07:14:37   (  -0.05,-128.21) (  -0.74,-131.50)  374.56                80
 08/18/2021   07:02:24   (  -0.05,-128.22) (  -0.09,-128.55)   37.17                80