| 词条 | 2005 WY55 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
| minorplanet = yes | background = #FFC2E0 | name = {{mp|2005 WY|55}} | image = | caption = | discovery_ref = [1] | discoverer = | discovered = November 26, 2005 | mpc_name = {{mp|2005 WY|55}} | mp_category = {{mpcat|Apollo}} NEO, PHA | orbit_ref = [2][3] | epoch = 13 January 2016 (JD 2457400.5) | aphelion = {{Convert|4.2823|AU|Gm|abbr=on|lk=on}} (Q) | perihelion = {{Convert|0.69532|AU|Gm|abbr=on}} (q) | semimajor = {{Convert|2.4888|AU|Gm|abbr=on}} (a) | eccentricity = 0.72062 (e) | period = 3.93 yr (1434.1 d) | inclination = 7.27198° (i) | asc_node = 248.22° (Ω) | mean_anomaly = 188.701° (M) | arg_peri = 286.15° (ω) | satellites = | dimensions = 190-250 meters[1][3] | mass = | density = | sidereal_day = | albedo = | spectral_type = | magnitude = | abs_magnitude = 20.7[2] | mean_motion = {{Deg2DMS|0.25103|sup=ms}} /day (n) | observation_arc = 1451 days (3.97 yr) | uncertainty = 0 | moid = {{Convert|0.00387045|AU|km|abbr=on}} | jupiter_moid = {{Convert|0.953735|AU|Gm|abbr=on}} }}{{mp|2005 WY|55}} is a near-Earth Asteroid belonging to the Apollo group.[1] It was first discovered on November 26, 2005.[2] The asteroid will pass within 330,000 km (0.9 lunar distances) from the Earth on May 28, 2065.[3][4] It has an absolute magnitude (H) of 20.68.[5] It is estimated to be 190 to 250 meters in diameter.[2][1] It was removed from the Sentry Risk Table on July 1, 2006.[6]
References1. ^1 2 3 {{cite web|title=Asteroid General Data - 2005 WY55|url=http://smallbodies.ru/en/asteroids/info/general/2005_WY55/|accessdate=2011-11-13}} 2. ^1 2 3 {{cite web|title=CRT 2005 Object Archive|url=http://www.hohmanntransfer.com/news/crt05obj.htm#2005wy55|accessdate=2011-11-13}} 3. ^{{cite web|title=Sormano Astronomical Observatory: Table of Asteroids Next Closest Approaches to the Earth|url=http://www.brera.mi.astro.it/sormano/teca.html|accessdate=2011-11-13}} 4. ^{{cite web|title=Near Earth Asteroids (NEAs)|url=http://www.iau.org/public/nea2/|accessdate=2011-11-13|date=2011-11-10}} 5. ^1 2 {{cite web|title=JPL Small-Body Database Browser|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2005%20WY55;cad=1|publisher=Jet Propulsion Laboratory|accessdate=30 March 2016}} 6. ^{{cite web |title=Date/Time Removed |publisher=NASA/JPL Near-Earth Object Program Office |url=http://neo.jpl.nasa.gov/risk/removed.html |accessdate=2012-03-19}} External links
(inside the orbit of the Moon)|years=28 May 2065}}{{s-aft|after={{mpl|2011 WL|2}}}}{{end}}{{Use dmy dates|date=February 2018}}{{Planetary defense}}{{Small Solar System bodies}}{{DEFAULTSORT:2005 WY55}}{{NE-asteroid-stub}} 5 : Apollo asteroids|Minor planet object articles (unnumbered)|Potentially hazardous asteroids|Asteroids removed from the Sentry Risk Table|Astronomical objects discovered in 2005 |
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