Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/20/2020   19:00:09   (   0.07,-128.28) (  -0.05,-127.79)   56.94                80
 09/22/2020   18:47:58   (   0.07,-128.32) (  -0.66,-124.83)  396.40                80
 09/23/2020   07:12:02   (  -0.08,-128.37) (  -0.41,-130.03)  187.72                80
 09/25/2020   06:57:11   (  -0.09,-128.40) (   0.18,-127.07)  150.95                80
 09/25/2020   19:21:07   (   0.10,-128.36) (   0.90,-132.23)  439.95                80
 09/27/2020   06:45:02   (  -0.09,-128.42) (   0.81,-124.12)  489.19                80
 09/27/2020   19:08:57   (   0.10,-128.38) (   0.28,-129.28)  101.76                80
 09/29/2020   18:54:07   (   0.10,-128.41) (  -0.33,-126.33)  236.17                80
 09/30/2020   07:18:12   (  -0.10,-128.46) (  -0.75,-131.52)  348.17                80
 10/02/2020   07:06:03   (  -0.10,-128.48) (  -0.11,-128.58)   10.83                80