New Horizons

New Horizons
source
Name	New Horizons
Mission type	Flyby
Operator	NASA

New Horizons is an interplanetary space probe that was launched by NASA on January 19, 2006, from Cape Canaveral Air Force Station aboard an Atlas V rocket, with the primary mission of conducting a flyby study of Pluto and its moons, including Charon, Nix, Hydra, Kerberos, and Styx. The spacecraft was designed and built by Johns Hopkins University and Southwest Research Institute, with Ball Aerospace and Boeing providing key components. The mission was managed by NASA's Jet Propulsion Laboratory and Goddard Space Flight Center, with support from European Space Agency, Canadian Space Agency, and Italian Space Agency.

Introduction

The New Horizons mission was conceived in the late 1990s by a team of scientists and engineers led by Alan Stern, Fran Bagenal, and John Spencer, with the goal of exploring the Kuiper Belt and the Pluto system. The spacecraft was designed to be a Mariner Mark II-class spacecraft, with a RTG power source and a star tracker navigation system. The mission was approved by NASA in 2001, with a planned launch date in 2004, but was delayed due to funding issues and technical problems. The spacecraft was finally launched on January 19, 2006, from Cape Canaveral Air Force Station aboard an Atlas V rocket, with a Centaur upper stage, and followed a Hohmann transfer orbit to reach Pluto in just over 9 years. The mission was supported by National Science Foundation, United States Air Force, and Lockheed Martin.

Spacecraft Design

The New Horizons spacecraft is a compact, RTG-powered spacecraft, with a mass of approximately 478 kilograms, and a star tracker navigation system. The spacecraft is equipped with a high-gain antenna and a low-gain antenna for communication with Earth, as well as a data storage system and a power conditioning system. The spacecraft is powered by a single RTG, which provides approximately 200 watts of power, and has a propulsion system consisting of a Hydrazine-fueled thruster and a cold gas thruster. The spacecraft was designed and built by Johns Hopkins University and Southwest Research Institute, with Ball Aerospace and Boeing providing key components, and was tested and integrated at Goddard Space Flight Center and Jet Propulsion Laboratory.

Mission Overview

The New Horizons mission is a flyby mission, with the primary goal of conducting a detailed study of the Pluto system, including Pluto and its moons, Charon, Nix, Hydra, Kerberos, and Styx. The spacecraft flew within 12,500 kilometers of Pluto on July 14, 2015, and conducted a series of scientific experiments, including imaging, spectroscopy, and plasma physics measurements. The mission also included a flyby of the Kuiper Belt object Arrokoth (formerly known as Ultima Thule) on January 1, 2019, which provided valuable insights into the formation and evolution of the Solar System. The mission was supported by NASA's Deep Space Network, with tracking and communication support provided by Goldstone Deep Space Communications Complex, Madrid Deep Space Communication Complex, and Canberra Deep Space Communication Complex.

Flight Timeline

The New Horizons spacecraft was launched on January 19, 2006, from Cape Canaveral Air Force Station aboard an Atlas V rocket, with a Centaur upper stage. The spacecraft followed a Hohmann transfer orbit to reach Pluto in just over 9 years, with a series of gravity assists from Jupiter and Saturn. The spacecraft flew within 12,500 kilometers of Pluto on July 14, 2015, and conducted a series of scientific experiments, including imaging, spectroscopy, and plasma physics measurements. The spacecraft then flew into the Kuiper Belt, where it encountered the Kuiper Belt object Arrokoth (formerly known as Ultima Thule) on January 1, 2019. The mission was supported by NASA's Mission Control Center at Johnson Space Center, with tracking and communication support provided by Deep Space Network.

Scientific Discoveries

The New Horizons mission has made several significant scientific discoveries, including the first close-up images of Pluto and its moons, Charon, Nix, Hydra, Kerberos, and Styx. The mission has also provided valuable insights into the formation and evolution of the Solar System, including the discovery of a subsurface ocean on Pluto and the presence of Methane and Nitrogen ices on the surface of Pluto and Charon. The mission has also studied the atmosphere of Pluto, including the discovery of a haze layer and a tholin-rich surface. The mission has been supported by National Science Foundation, United States Air Force, and Lockheed Martin, with scientific analysis and interpretation provided by University of Colorado Boulder, University of Arizona, and California Institute of Technology.

Legacy and Impact

The New Horizons mission has had a significant impact on our understanding of the Solar System and the Kuiper Belt, and has provided valuable insights into the formation and evolution of the Solar System. The mission has also demonstrated the feasibility of flyby missions to the outer Solar System and has paved the way for future missions to the Kuiper Belt and beyond. The mission has been recognized with several awards, including the National Air and Space Museum's Trophy for Current Achievement and the American Institute of Aeronautics and Astronautics' Space Exploration Award. The mission has also been supported by European Space Agency, Canadian Space Agency, and Italian Space Agency, with international cooperation and collaboration provided by United Nations Committee on the Peaceful Uses of Outer Space and International Astronautical Federation. Category:Space exploration