alien derelict ship

i THink the derelict is a research ship that had one crew member and was flying from another planet and the vessel passed acheron LV-426 And the egg that the pilot had was possibly a queen that infected the pilot and before the chestburst the pilot made a garbled and brief word of warning, a warning to stay away. after the pilot died the queen started to lay eggs and then The nostromo thought it was a Mayday