Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 28.  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   06:43:59   (   0.27,-128.29) (   1.13,-124.17)  467.97                80
 08/29/2021   19:02:33   (  -0.30,-128.24) (  -0.05,-129.33)  124.52                80
 08/31/2021   18:52:59   (  -0.29,-128.23) (  -0.67,-126.37)  211.35                80
 09/01/2021   07:11:44   (   0.32,-128.28) (  -0.35,-131.58)  374.27                80
 09/03/2021   06:59:29   (   0.31,-128.27) (   0.21,-128.61)   39.23                80
 09/05/2021   06:49:55   (   0.30,-128.25) (   0.84,-125.65)  295.45                80
 09/05/2021   19:08:30   (  -0.33,-128.19) (   0.24,-130.81)  297.99                80
 09/07/2021   18:58:56   (  -0.33,-128.17) (  -0.40,-127.85)   36.22                80
 09/09/2021   18:46:42   (  -0.33,-128.14) (  -1.04,-124.89)  370.12                80
 09/10/2021   07:05:26   (   0.35,-128.19) (  -0.03,-130.09)  215.37                80