151997 Bauhinia

Last updated

151997 Bauhinia
Discovery [1]
Discovered by W. K. Y. Yeung
Discovery site Desert Eagle Obs.
Discovery date11 May 2004
Designations
(151997) Bauhinia
Named after
Bauhinia blakeana [2]
(flowering plant)
2004 JL1 ·2001 QJ143
main-belt  ·(inner)
background [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 16.96 yr (6,195 days)
Aphelion 2.6843 AU
Perihelion 1.9336 AU
2.3089 AU
Eccentricity 0.1626
3.51 yr (1,281 days)
252.41°
0° 16m 51.24s / day
Inclination 0.7145°
235.60°
41.696°
Physical characteristics
0.91 km (est. at 0.20) [4]
17.6 [1] [2]

    151997 Bauhinia, provisional designation 2004 JL1, is a sub-kilometer background asteroid from the inner regions of the asteroid belt, approximately 900 meters in diameter. It was discovered on 11 May 2004, by Canadian astronomer William Yeung at the Desert Eagle Observatory, Arizona, United States. It was named after the flowering plant Bauhinia blakeana also known as the "Hong Kong Orchid Tree". [2]

    Contents

    Orbit and classification

    Bauhinia is a non-family from the main belt's background population. [3] It orbits the Sun in the inner main-belt at a distance of 1.9–2.7  AU once every 3 years and 6 months (1,281 days; semi-major axis of 2.31 AU). Its orbit has an eccentricity of 0.16 and an inclination of 1° with respect to the ecliptic. [1]

    The body's observation arc begins with its first observation by Spacewatch at Kitt Peak National Observatory in November 1998, more than 5 years prior to its official discovery observation at Desert Eagle Observatory. [2]

    Physical characteristics

    The asteroid's spectral type is unknown. [1]

    Diameter and albedo

    Bauhinia has not been observed by any of the space-based surveys such as the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite or the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer. Based on a generic magnitude-to-diameter conversion, the asteroid measures 0.91 kilometers in diameter based on an absolute magnitude of 17.6 and a geometric albedo of 0.20, which roughly corresponds to a body of stony composition, the most common type in the inner asteroid belt. [2] [4]

    Rotation period

    As of 2018, no rotational lightcurve of Bauhinia has been obtained from photometric observations. The body's rotation period, shape and poles remain unknown. [1] [5]

    Naming

    This minor planet was named after the legume tree with orchid-like flowers, Bauhinia blakeana, commonly called the Hong Kong Orchid Tree. The official naming citation was published by the Minor Planet Center on 1 June 2007 ( M.P.C. 59925). [6]

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    References

    1. 1 2 3 4 5 6 "JPL Small-Body Database Browser: 151997 Bauhinia (2004 JL1)" (2015-11-09 last obs.). Jet Propulsion Laboratory . Retrieved 16 January 2018.
    2. 1 2 3 4 5 "151997 Bauhinia (2004 JL1)". Minor Planet Center. Retrieved 16 January 2018.
    3. 1 2 "Asteroid 151997 Bauhinia – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
    4. 1 2 "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 16 January 2018.
    5. "LCDB Data for (151997) Bauhinia". Asteroid Lightcurve Database (LCDB). Retrieved 16 January 2018.
    6. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 16 January 2018.