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Encyclopedia > (55565) 2002 AW197
(55565) 2002 AW197
Discovered by: Michael E. Brown,
Eleanor F. Helin,
Michael Hicks,
Kenneth Lawrence,
Steven H. Pravdo,
Chad Trujillo
Discovery date: January 10, 2002
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion distance: 8003.964 Gm (53.503 AU)
Perihelion distance: 6143.329 Gm (41.066 AU)
Semi-major axis: 7073.647 Gm (47.284 AU)
Eccentricity: 0.132
Orbital period: 118761.410 d (325.15 a)
Avg. orbital speed: 4.31 km/s
Mean anomaly: 281.945°
Inclination: 24.410°
Longitude of ascending node: 297.513°
Argument of perihelion: 295.307°
Physical characteristics
Dimensions: 750±50 km
Mass: 5.2×1020? kg
Mean density: 2.0? g/cm³
Equatorial surface gravity: 0.2216? m/s²
Escape velocity: 0.4192? km/s
Sidereal rotation period: ? d
Albedo: 0.17±0.03
Temperature: ~39–40 K
Spectral type: ?
Absolute magnitude: 3.27

(55565) 2002 AW197 is a trans-Neptunian object (TNO). It was discovered in 2002 by Michael E. Brown et al. It is classified as a cubewano. Michael (Mike) E. Brown (born c. ... Eleanor Francis Helin is an American astronomer, principal investigator of the Near Earth Asteroid Tracking (NEAT) program of NASAs Jet Propulsion Laboratory. ... Michael Hicks (b. ... Chadwick A. Chad Trujillo (born November 22, 1973), is the co-discoverer of Eris, which he claims to be the Tenth Planet. ... is the 10th day of the year in the Gregorian calendar. ... Also see: 2002 (number). ... Two bodies with a slight difference in mass orbiting around a common barycenter. ... In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ... is the 365th day of the year (366th in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... The Julian day or Julian day number (JDN) is the integer number of days that have elapsed since the initial epoch defined as noon Universal Time (UT) Monday, January 1, 4713 BC in the proleptic Julian calendar [1]. That noon-to-noon day is counted as Julian day 0. ... A diagram of Keplerian orbital elements. ... A diagram of Keplerian orbital elements. ... The semi-major axis of an ellipse In geometry, the term semi-major axis (also semimajor axis) is used to describe the dimensions of ellipses and hyperbolae. ... Look up giga- in Wiktionary, the free dictionary. ... ‹ The template below (Unit of length) is being considered for deletion. ... The astronomical unit (AU or au or a. ... (This page refers to eccitricity in astrodynamics. ... The orbital period is the time it takes a planet (or another object) to make one full orbit. ... Look up day in Wiktionary, the free dictionary. ... In astronomy, a Julian year is a unit of time defined as exactly 365. ... The orbital speed of a body, generally a planet, a natural satellite, an artificial satellite, or a multiple star, is the speed at which it orbits around the barycenter of a system, usually around a more massive body. ... Look up second in Wiktionary, the free dictionary. ... In the study of orbital dynamics the mean anomaly is a measure of time, specific to the orbiting body p, which is a multiple of 2π radians at and only at periapsis. ... Inclination in general is the angle between a reference plane and another plane or axis of direction. ... This article describes the unit of angle. ... The Longitude of the ascending node (☊, also noted Ω) is one of the orbital elements used to specify the orbit of an object in space. ... The argument of periapsis (ω) is the orbital element describing the angle between an orbiting bodys ascending node (the point where the body crosses the plane of reference from South to North) and its periapsis (the point of closest approach to the central body), measured in the orbital plane and... This article or section is in need of attention from an expert on the subject. ... “Kg” redirects here. ... In physics, density is mass m per unit volume V. For the common case of a homogeneous substance, it is expressed as: where, in SI units: ρ (rho) is the density of the substance, measured in kg·m-3 m is the mass of the substance, measured in kg V is... A cubic centimetre (cm3) is an SI derived unit of volume, equal to the volume of a cube with side length of 1 centi metre. ... The surface gravity of a Killing horizon is the acceleration, as exerted at infinity, needed to keep an object at the horizon. ... Space Shuttle Atlantis launches on mission STS-71. ... On a prograde planet like the Earth, the sidereal day is shorter than the solar day. ... Albedo is the ratio of reflected to incident electromagnetic radiation. ... Fig. ... The kelvin (symbol: K) is a unit increment of temperature and is one of the seven SI base units. ... In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standard luminosity distance away from us, in the absence of interstellar extinction. ... A trans-Neptunian object (TNO) is any object in the solar system that orbits the sun at a greater distance on average than Neptune. ... Also see: 2002 (number). ... Michael (Mike) E. Brown (born c. ... A cubewano is any substantial Kuiper belt object, orbiting beyond about 41 AU and not controlled by resonances with the outer planets. ...

Observations of thermal emissions by Spitzer give a diameter of 750±50 km and a higher than expected albedo of 0.17±0.03. Spitzer, a surname, may refer to: // Andre Spitzer, Israels 1972 Summer Olympics fencing coach and victim of the Munich massacre Benjamin Solomon Spitzer, Austrian rabbi and champion of Orthodoxy Eliot Spitzer, the Attorney General and governor-elect of the State of New York Friedrich (Samuel) Spitzer, French art collector...

ESO analysis of spectra reveals a strong red slope and no presence of water ice (in contrast to Quaoar, also red) suggesting organic material (see comparison of colours and typical composition inferred from spectra of the TNOs). The European Southern Observatory (ESO) is an international astronomical organisation, composed and supported by ten countries from the European Union plus Switzerland. ... Spectra are conditions or values that vary over a continuum. ... This article is about the trans-Neptunian object. ... A trans-Neptunian object (TNO) is any object in the solar system that orbits the sun at a greater distance on average than Neptune. ... A trans-Neptunian object (TNO) is any object in the solar system that orbits the sun at a greater distance on average than Neptune. ...

External links

  • AstDys orbital elements
  • Orbital simulation from JPL (Java)


  • Cruikshank, D., et al. High Albedo KBO (55565)2002 AW197, The Astronomical Journal Letters, 624,53 (May 2004). Abstract
  • Doressoundiram, A.; Barucci, M. A.; Tozzi, G. P.; Poulet, F.; Boehnhardt, H.; de Bergh, C.; Peixinho, N. Spectral characteristics and modeling of the trans-neptunian object (55565) 2002 AW197 and the Centaurs (55576) 2002 GB10 and (83982) 2002 GO9: ESO Large Program on TNOs and Centaurs. Planetary and Space Science, 53, Issue 14-15, p. 1501-1509 (2005). Abstract
Minor planets
Previous minor planet (55565) 2002 AW197 Next minor planet
List of asteroids

  Results from FactBites:
Dates Of Last Observation Of Distant Objects (9091 words)
2002 PK153 TNO 21.0/-18/23.9/155 2002 Aug. 16 807 2 43.85 0.05 4
2002 PK149 TNO 22.4/-07/22.7/176 2002 Aug. 12 807 1 37.11 0.00 5
2002 PN147 TNO 21.0/-19/22.8/154 2002 Aug. 10 807 1 44.44 0.00 2
2002 AW197 (asteroid 55565) (432 words)
Asteroid 55565, which has the provisional name 2002 AW197, has a period of 326 years, 359 days.
Elvis Presley, considered the father of rock-and-roll, had AW197 in the sixth house, on the Descendant, semisquare Pluto and Ceres (nurture), sextile Chariklo (glamorization) and Deucalion (bringing up something valuable, cruel and cold) square Cruithne (a brand name) and Chaos (a new order), and trine Mars (sexuality) and Cyllarus as well as opposite the Ascendant.
Joseph McCarthy had AW197 in the first house of personal interests, sextile Neptune (deceit, lies, scandal), Damocles (transgressive, danger, crisis), and Quaoar (urgent concern, under the microscope), square Don Quixote (taking on entrenched interests/reality) and Chiron (stumbling block, self-damage), and opposite Pallas (politics).
  More results at FactBites »



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