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 44^th 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.