Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 25.  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) (   0.52,-127.13)  131.40                80
 08/27/2021   19:14:47   (  -0.31,-128.23) (   0.56,-132.29)  461.38                80
 08/29/2021   06:43:59   (   0.27,-128.29) (   1.14,-124.17)  468.04                80
 08/29/2021   19:02:34   (  -0.30,-128.24) (  -0.05,-129.33)  124.79                80
 08/31/2021   18:53:00   (  -0.29,-128.23) (  -0.67,-126.37)  211.07                80
 09/01/2021   07:11:44   (   0.32,-128.28) (  -0.36,-131.58)  374.18                80
 09/03/2021   06:59:29   (   0.31,-128.27) (   0.21,-128.61)   39.21                80
 09/05/2021   06:49:55   (   0.30,-128.25) (   0.83,-125.65)  295.48                80
 09/05/2021   19:08:30   (  -0.33,-128.19) (   0.26,-130.80)  298.39                80
 09/07/2021   18:58:56   (  -0.33,-128.16) (  -0.37,-127.84)   35.90                80