Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2021   06:43:58   (   0.27,-128.29) (   1.11,-124.17)  467.93                80
 08/29/2021   19:02:34   (  -0.30,-128.24) (  -0.09,-129.34)  124.45                80
 08/31/2021   18:53:00   (  -0.29,-128.23) (  -0.71,-126.38)  211.42                80
 09/01/2021   07:11:44   (   0.32,-128.28) (  -0.37,-131.57)  374.38                80
 09/03/2021   06:59:30   (   0.31,-128.27) (   0.26,-128.62)   39.35                80
 09/05/2021   06:49:55   (   0.30,-128.25) (   0.83,-125.64)  295.28                80
 09/05/2021   19:08:31   (  -0.33,-128.19) (   0.19,-130.82)  298.02                80
 09/07/2021   18:58:56   (  -0.33,-128.17) (  -0.38,-127.85)   36.22                80
 09/09/2021   18:46:42   (  -0.33,-128.14) (  -1.02,-124.89)  370.05                80
 09/10/2021   07:05:26   (   0.35,-128.19) (  -0.05,-130.09)  215.61                80