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Asteroid 1998 WW31

Data sets with data for Asteroid 1998 WW31:

Asteroid 1998 WW31 (top)

Binary Minor Planets V9.0 (1 data product)

DYNAMICAL TYPE * A code for the dynamical type of the object, determined by its orbital elements SYSTEM SEMIMAJOR AXIS * Semimajor axis of binary system's heliocentric orbit
(ASTRONOMICAL_UNIT)
SYSTEM ECCENTRICITY * Eccentricity of binary system's heliocentric orbit SYSTEM INCLINATION * Inclination of binary system's heliocentric orbit
(DEGREE)
EFFECTIVE DIAMETER * Combined effective diameter of a binary asteroid system
(KILOMETER)
EFFECTIVE DIAMETER UNC * Uncertainty in the combined effective diameter of a binary asteroid system
(KILOMETER)
D2 T0 D1 RATIO * Secondary to primary diameter ratio for a binary asteroid system D2 TO D1 RATIO UNC * Uncertainty in the ratio of the secondary to primary diameter for a binary asteroid system PRIMARY DIAMETER * Diameter of the primary body of a binary asteroid system
(KILOMETER)
PRIMARY DIAMETER UNCERTAINTY * Uncertainty in the diameter of the primary body of a binary asteroid system
(KILOMETER)
SECONDARY DIAMETER * Diameter of the secondary body of a binary asteroid system
(KILOMETER)
SECONDARY DIAMETER UNCERTAINTY * Uncertainty in the diameter of the secondary body of a binary asteroid system
(KILOMETER)
PRIMARY ROTATIONAL PERIOD * Rotational period of the primary body of a binary asteroid system
(HOUR)
PRIMARY ROTATIONAL PERIOD UNCERTAINTY * Uncertainty in the rotational period of the primary body of a binary asteroid system
(HOUR)
BINARY SEMIMAJOR AXIS * Semimajor axis of a binary asteroid system
(KILOMETER)
BINARY SEMIMAJOR AXIS UNC * Uncertainty in the semimajor axis of a binary asteroid system
(KILOMETER)
BINARY ORBITAL PERIOD * Orbital period of a binary asteroid system
(DAY)
BINARY ORBITAL PERIOD UNC * Uncertainty in the orbital period of a binary asteroid system
(DAY)
BINARY ECCENTRICITY * Binary eccentricity of a binary asteroid system BINARY ECCENTRICITY UNC * Uncertainty in the binary eccentricity PRIMARY ALBEDO * Albedo of the primary in a binary system PRIMARY ALBEDO UNCERTAINTY * Uncertainty in the albedo of the primary in a binary system BINARY SYSTEM MASS * Total mass of a binary asteroid system
(KILOGRAM)
BINARY SYSTEM MASS UNC * Uncertainty in the total mass of a binary asteroid system
(KILOGRAM)
BINARY SYSTEM DENSITY * Density of an asteroid binary system
(GRAM_PER_CUBIC_CENTIMETER)
BINARY SYSTEM DENSITY UNC * Uncertainty in the density of an asteroid binary system
(GRAM_PER_CUBIC_CENTIMETER)
CUB 44.64 0.08 7 192.00 0.833 148.00 123.00 2.262E+04 4.00E+01 5.873E+02 2.00E-01 0.819 0.002 0.054 0.004 2.66E+18 2.00E+16 1.00

Asteroid 1998 WW31 (top)

TNO and Centaur Diameters, Albedos, and Densities V4.0 (1 data product)

SEMI MAJOR AXIS * Osculating semi-major axis of heliocentric orbit
(ASTRONOMICAL_UNIT)
ECCENTRICITY * Osculating eccentricity of heliocentric orbit INCLINATION * Osculating inclination of heliocentric orbit with respect to the ecliptic
(DEGREE)
DYNAMICAL TYPE * A code for the dynamical type of the object, determined by its orbital elements NUMBER OF COMPANIONS * Number of known companions TNOCENALB EFFECTIVE DIAMETER * In the TNO and Centaurs Albedos data set, this is object diameter for single objects and the combined effective diameter for binary/multiple objects.
(KILOMETER)
TNOCENALB EFFECTIVE DIAMETER UPPER ERR * Upper error bar on effective diameter, in the TNO and Centaurs Albedos data set.
(KILOMETER)
TNOCENALB EFFECTIVE DIAMETER LOWER ERR * Lower error bar on effective diameter, in the TNO and Centaurs Albedos data set.
(KILOMETER)
TNOCENALB PRIMARY DIAMETER * Primary diameter in the TNO and Centaur Albedos data set.
(KILOMETER)
TNOCENALB PRIMARY DIAMETER UPPER ERR * Upper error of the primary diameter in the TNO and Centaur Albedos data set.
(KILOMETER)
TNOCENALB PRIMARY DIAMETER LOWER ERR * Lower error of the primary diameter, in the TNO and Centaur Albedos data set. Value of -999.9 indicates same as upper error bar.
(KILOMETER)
TNOCENALB SECONDARY DIAMETER * Secondary diameter, in the TNO and Centaur Albedos data set.
(KILOMETER)
TNOCENALB SECONDARY UPPER ERR * Upper error of the secondary diameter, in the TNO and Centaur Albedos data set.
(KILOMETER)
TNOCENALB SECONDARY DIAMETER LOWER ERR * Lower error of the secondary diameter, in the TNO and Centaur Albedos data set. Value of -999.9 indicates same as upper error bar.
(KILOMETER)
TNOCENALB ALBEDO * Albedo given in the TNO and Centaur Albedos data set. TNOCENALB ALBEDO LOWER ERR * Lower error of the albedo in the TNO and Centaur Albedos data set. TNOCENALB ALBEDO COLOR * Color or type of albedo in the TNO and Centaur Albedos data set. (B = blue; R = red; V = visible; * = geometric (no color specified); - = unspecified). TNOCENALB DENSITY * Mass density, in the TNO and Centaur Albedos data set.
(GRAM_PER_CUBIC_CENTIMETER)
TNOCENALB DENSITY UPPER ERR * Upper error bar on mass density, in the TNO and Centaur Albedos data set.
(GRAM_PER_CUBIC_CENTIMETER)
TNOCENALB DENSITY LOWER ERR * Lower error bar on mass density. Value of -9.999 indicates same as upper error bar.
(GRAM_PER_CUBIC_CENTIMETER)
TNOCENALB REFERENCE CODE * Reference code for source of data in the TNO and Centaurs Albedos data set (see the file references.asc in the document directory).
44.6 0.08 7 CUB 1 192.4 148.0 123.0 0.054 0.005 R 1.000 V02a
44.6 0.08 7 CUB 1 152.0 35.0 35.0 0.060 0.026 R 1.000 1.000 0.500 G05a
44.6 0.08 7 CUB 1 188.6 145.0 33.0 33.0 120.6 0.160 0.070 V 1.000 1.000 0.500 G11a
44.6 0.08 7 CUB 1 148.0 6.0 6.0 0.054 0.004 R 1.000 P11a


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