In General (see also the Solar System Overview and Meteoroid pages)

• Resources: The Nine Planets smaller bodies page; NASA asteroid/comet page; Space.com debris reference pages; New York Times page; How Asteroids Work page; space.com news; Solarviews.com page.
• Current Location: Minor Planet Center page.
• Pictures/Quizzes: Alwyn Botha's The-Solar System pictures and quiz.

(If you see any new ones, notify the Central Bureau for Astronomical Telegrams, or the Minor Planet Center!)

Earth-Based Observation

• Amateur Observation: Sky & Telescope article.
• Minor Planet Center of the IAU, operating at the Smithsonian Astrophysical Observatory at Harvard.
• NEAT (NASA's Near Earth Asteroid Tracking System): A cooperative effort with the US Air Force, the system is mounted on the Maui Space Surveillance Site (MSSS) 1.2-m telescope.
• Rome-based Spaceguard Foundation; Wales-based Spaceguard UK.
• Spacewatch Project: Based at the University of Arizona, one of four or five projects around the world that regularly scan the sky electronically for asteroids and comets, and the first automated survey of the whole solar system, from the vicinity of the Earth's orbit to beyond the orbit of Neptune; Started in 1980, uses a 90 cm and a 1.8-m telescope at the University of Arizona's Steward Observatory on Kitt Peak mountain.
• LINEAR (Lincoln Near Earth Asteroid Research): A MIT Lincoln Laboratory program funded by the United States Air Force and NASA, whose goal is to demonstrate the application of technology originally developed for the surveillance of earth orbiting satellites, to the problem of detecting and cataloging Near Earth Asteroids.
• LONEOS (Lowell Observatory Near Earth Object Search).

Asteroid Missions (Planetary Society overview page)

• Deep Space 1: NASA mission launched Oct 1998; tested ion propulsion system and other new technologies; met asteroid Braille in Jul 1999, and comet Borrelly on 22 Sep 2001; was turned off in Dec 2001.
• Hayabusa (Formerly known as Muses-C): Japanese-US mission launched in May 2003 to orbit the 690-m asteroid Itokawa (1998 SF36) in 2005, return to Earth and drop a small capsule containing material gathered from the surface in 2007; Additional link.
• NEAR: NASA Mission to asteroid Eros; Launched in 1996, arrived in orbit on 14 Feb 2000, landed in Feb 2001 and was turned off in March.
• Rosetta: ESA spacecraft, primarily a comet mission; Was launched in Mar 2004, is expected to land on comet 67P/Churyumov-Gerasimenko in 2014, and will hopefully meet some asteroid along the way.
• Dawn: NASA Discovery 9-year mission to study Ceres and Vesta, currently scheduled for 2007 launch, will be the first science mission to use ion propulsion.

Commercial Companies

• SpaceDev: A company planning the NEAP (Near Earth Asteroid Prospector) mission, which could be launched in 2007c2010.
• Permanent: A company planning to mine resources from the Moon and near Earth asteroids.