小惑星の地球衝突アニメーション(1.49 MB http://near.jhuapl.edu/より)
小惑星の地球衝突アニメーション(1.49 MB http://near.jhuapl.edu/より)
小惑星情報
★ 小惑星(ウィキペディア)
★ 地球近傍小惑星
★ Asteroid Comet Impact Harzards
★ Earth Crossing Asteroids: Question and Answer
★ Near Earth Object Fact Sheet
★ 太陽系天体に小天体が衝突すると、どんなクレーターができるのか
★ The effects of the impact of an object hitting the earth
★ Earth Impact Effects Program
★ 小惑星センター
★ 小惑星センター/ 天文電報中央局 / 国際彗星季報のWebページ検索
★ 小惑星軌道の統計
★ (Super)Nova-Suspect Minor-Planet Checker
★ Steward Observatory Asteroid Relational Database
★ The Near-Earth Asteroids Data Base
★ Pickering Anomalies - Featuring Asteroid Pro and IOTA pages
★ Near-Earth Asteroid Tracking (NEAT)
★ Hunting Asteroids from Your Backyard
★ HOU Student Research - International Asteroid Search Campaign
★ The Minor Planet Mailing List FAQ
★ AstroMall Meteorite Marketplace
★ BAO Schmidt CCD Minor Planet Program (BSMP)
★ Lowell Observatory Near-Earth Object Search (LONEOS)
★ Australian Spaceguard Survey
★ Asteroid Orbital Elements database
★ Asteroid Radar Research Page
★ Asteroid Shapes and Spin States from Radar and Optical data
★ Comet for Windows - 位置推算・光度データのグラフ表示などを含む天文総合ソフト
★ The Earth-Orbiting Space Junk Tracking Page
★ Sky Coverage Plots (of the surveys searching for NEOs)
★ 天体の座標測定のためのソフトウェア（DOS-V用）
★ 軌道決定のためのソフトウェア（Windows用）
★ A LIST OF SUSPECTED OR KNOWN BINARY ASTEROIDS
★ Conversion of Absolute Magnitude to Diameter for Minor Planets
★ 楕円軌道の半長径(a)・遠日点距離(Q)・周期(P)の計算
★ Tsunami from Asteroid/Comet Impacts
★ Educator's Guide to Impact Craters
★ The Chesapeake Bay Bolide: Modern Consequences of an Ancient Cataclysm
★ The Chesapeake Bay Bolide Impact: A New View of Coastal Plain Evolution
★ Chicxulub and the Cretaceous Tertiary Boundary
★ 突発的な天文現象を電子メールでお知らせする英語のサービス
★ Discussion list for the active Asteroid and Comet researcher
★ Major News About Minor Objects
★ Major News About Minor Objects
★ Asteroids with Comet-Like Orbits: Elements and Positions