Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2021   06:56:13   (   0.28,-128.29) (   0.54,-127.14)  131.39                80
 08/27/2021   19:14:48   (  -0.31,-128.24) (   0.54,-132.30)  461.26                80
 08/29/2021   06:43:59   (   0.27,-128.29) (   1.16,-124.18)  468.01                80
 08/29/2021   19:02:34   (  -0.30,-128.24) (  -0.07,-129.33)  124.65                80
 08/31/2021   18:53:00   (  -0.29,-128.23) (  -0.69,-126.37)  211.20                80
 09/01/2021   07:11:44   (   0.32,-128.28) (  -0.40,-131.57)  374.21                80
 09/03/2021   06:59:30   (   0.31,-128.27) (   0.22,-128.61)   39.12                80
 09/05/2021   06:49:56   (   0.30,-128.25) (   0.85,-125.65)  295.45                80
 09/05/2021   19:08:31   (  -0.33,-128.19) (   0.24,-130.81)  298.21                80
 09/07/2021   18:58:57   (  -0.33,-128.17) (  -0.39,-127.85)   35.96                80