diff --git a/docs/TODO b/docs/TODO
index f11c74d..92e646f 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -6,6 +6,10 @@ If you see modifications to this file in git status, IGNORE them and do not comm
 
 
 === next steps ===
+    - spacecraft frame seems to be loaded in as local from config, but we have no
+        initialize_bodies() equivalent. could be a good time to implement local
+        coordinates in config file, since we have a bug already
+        - think of a test to validate spacecraft coords
     - maneuvering
         - still need to render the spacecraft orbits
         - display orbital elements in UI