3850 Peltier

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3850 Peltier
Discovery [1]
Discovered by E. Bowell
Discovery site Anderson Mesa Stn.
Discovery date7 October 1986
Designations
(3850) Peltier
Named after
Leslie Peltier
(American amateur astronomer) [2]
1986 TK2 ·1949 PC
1969 OC1 ·1979 OX13
1982 OW
main-belt  · Flora [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 47.47 yr (17,339 days)
Aphelion 2.5967 AU
Perihelion 1.8718 AU
2.2342 AU
Eccentricity 0.1622
3.34 yr (1,220 days)
126.84°
0° 17m 42.36s / day
Inclination 5.2687°
124.13°
207.30°
Physical characteristics
Dimensions4.00 km (calculated) [3]
2.4287±0.0002 h [lower-alpha 1]
2.4289±0.0001 h [4]
0.4 (assumed) [3]
SMASS = V [1]  · V [3]
13.6 [1] [3]  ·13.62±0.37 [5]

    3850 Peltier, provisional designation 1986 TK2, is a Florian asteroid and suspected interloper from the inner regions of the asteroid belt, approximately 4 kilometers in diameter. It was discovered on 7 October 1986, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station, near Flagstaff, Arizona. [6] The asteroid was named after American amateur astronomer Leslie Peltier. [2]

    Contents

    Orbit and classification

    In the SMASS taxonomy, Peltier is a V-type asteroid but possesses the orbital characteristics of a member of the Flora family, which is one of the largest groups of stony S-type asteroids in the main-belt. It is therefore thought to be an unrelated interloper that does not origin from the Flora family's parent body. Peltier orbits the Sun in the inner main-belt at a distance of 1.9–2.6  AU once every 3 years and 4 months (1,220 days). Its orbit has an eccentricity of 0.16 and an inclination of 5° with respect to the ecliptic. [1] In 1949, it was first identified as 1949 PC at Johannesburg. The body's observation arc begins at Crimea-Nauchnij in 1979, when it was identified as 1979 OX13, 10 years prior to its official discovery observation at Anderson Mesa. [6]

    Physical characteristics

    Rotation period

    A rotational lightcurve of Peltier was obtained by Czech astronomer Petr Pravec at Ondřejov Observatory in October 2006. [lower-alpha 2] Lightcurve analysis gave a rotation period of 2.4287 hours with a brightness variation of 0.09 magnitude ( U=2 ). [lower-alpha 1] In December 2013, photometric observations by Australian amateur astronomer Julian Oey gave a concurring period of 2.4289 hours and an amplitude of 0.10 magnitude ( U=3 ). [4]

    Diameter and albedo

    Peltier has not been observed by any space-based surveys such as the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, or NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission. The Collaborative Asteroid Lightcurve Link assumes a standard albedo for V-type asteroids of 0.40 and calculates a diameter of 4.00 kilometers using an absolute magnitude of 13.6. [3]

    Naming

    This minor planet was named in memory of American amateur astronomer Leslie Peltier (1900–1980), who has discovered 12 comets and several novae including Nova Herculis 1963. [2] Naming citation was provided by David H. Levy and published by the MPC on 20 May 1989 ( M.P.C. 14633). [7]

    Notes

    1. 1 2 Pravec (2013) web: rotation period 2.4287±0.0002 hours with a brightness amplitude of 0.09 mag. Summary figures for (3850) Peltier at Collaborative Asteroid Lightcurve Link (CALL) and Pravec, P.; Wolf, M.; Sarounova, L. (2013)
    2. Rotational lightcurve plot of (3850) Peltier by Petr Pravec, Ondrejov Asteroid Photometry Project

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    References

    1. 1 2 3 4 5 "JPL Small-Body Database Browser: 3850 Peltier (1986 TK2)" (2017-01-27 last obs.). Jet Propulsion Laboratory . Retrieved 19 June 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(3850) Peltier". Dictionary of Minor Planet Names – (3850) Peltier. Springer Berlin Heidelberg. pp. 326–327. doi:10.1007/978-3-540-29925-7_3842. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 "LCDB Data for (3850) Peltier". Asteroid Lightcurve Database (LCDB). Retrieved 5 February 2017.
    4. 1 2 Oey, Julian; Vilagi, J.; Gajdos, S.; Kornos, L.; Galad, A. (September 2007). "Light curve Analysis of 8 Asteroids from Leura and Other Collaborating Observatories". The Minor Planet Bulletin. 34 (3): 81–83. Bibcode:2007MPBu...34...81O. ISSN   1052-8091 . Retrieved 5 February 2017.
    5. Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv: 1506.00762 . Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007 . Retrieved 5 February 2017.
    6. 1 2 "3850 Peltier (1986 TK2)". Minor Planet Center. Retrieved 5 February 2017.
    7. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 5 February 2017.