The March / April 2013 issue of Horizons is now online. Horizons is the newsletter of the Houston Section of the American Institute of Aeronautics and Astronautics (AIAA). The cover story is a report from the Woodlands about the 44th Annual Lunar and Planetary Science Conference by Dr. Larry Friesen, Wes Kelly and Shen Ge. This issue contains three articles by Daniel R. Adamo, astrodynamics consultant. First: Near-Earth Objects in Earth-Like Orbits. Second: The “Horseshoe” Orbit of Near-Earth Object 2013 BS45. Third: Chelybinsk Bolide Trajectory Reconstruction. The JSC Astronomical Society starts a newsletter partnership in this issue. This issue concludes with part 5 of 8 from Man Will Conquer Space Soon! This is the 1952-1954 Collier’s series of magazine articles from a team led by Wernher von Braun. Low resolution and high resolution PDFs are available.