3034 Climenhaga

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3034 Climenhaga
Discovery  [1]
Discovered by M. F. Wolf
Discovery site Heidelberg Obs.
Discovery date24 September 1917
Designations
(3034) Climenhaga
Pronunciation /ˈklaɪmɪnheɪɡə/
Named after
John Climenhaga
(Canadian astrophysicist) [2]
A917 SE ·1949 UE1
1952 KZ ·1970 OC
1974 VN2 ·1974 XE
1979 BD1 ·1981 XD
main-belt  · Flora   [3]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 99.24 yr (36,248 days)
Aphelion 2.8134 AU
Perihelion 1.8349 AU
2.3241 AU
Eccentricity 0.2105
3.54 yr (1,294 days)
96.756°
0° 16m 41.52s / day
Inclination 4.9263°
10.621°
314.01°
Known satellites 1 [4] [5]
Physical characteristics
Dimensions 7.82 km (calculated) [3]
2.737485±0.000008 h [5]
0.24 (assumed) [3]
S   [3]
12.7 [1] [3]  ·12.90±0.58 [6]

    3034 Climenhaga /ˈklaɪmɪnheɪɡə/ is a stony Florian asteroid and synchronous binary asteroid from the inner regions of the asteroid belt, approximately 7.8 kilometers in diameter. The asteroid was discovered on 24 September 1917 by German astronomer Max Wolf at Heidelberg Observatory in southwest Germany and assigned provisional designation A917 SE. [1] It was later named after Canadian astrophysicist John Climenhaga. Its minor-planet moon has a period of nearly 19 hours.

    Contents

    Orbital characteristics

    Climenhaga is a member of the Flora family, one of the largest families of stony asteroids in the main belt. It orbits the Sun in the inner main-belt at a distance of 1.8–2.8  AU once every 3 years and 6 months (1,294 days). Its orbit has an eccentricity of 0.21 and an inclination of 5° with respect to the ecliptic. [1]

    The asteroid's observation arc begins with its official discovery observation at Heidelberg, as no precoveries were taken, and no prior identifications were made. [7]

    Physical characteristics

    Climenhaga has been characterized as a common S-type asteroid. [3]

    Lightcurve

    In July 2009, a rotational lightcurve of Climenhaga was obtained from photometric observations by an international collaboration led by Australian astronomer Julian Oey at Kingsgrove (E19) and Leura (E17) observatories. Lightcurve analysis gave a well-defined rotation period of 2.737485 hours with a brightness amplitude of 0.10 magnitude ( U=3 ). [5]

    Diameter and albedo

    The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, a S-type asteroid and the family's largest member and namesake – and calculates a diameter of 7.82 kilometers with an absolute magnitude of 12.7. [3]

    Satellite

    During the photometric observation in July 2009, a minor-planet moon, designated S/2009 (3034) 1, was discovered orbiting Climenhaga with an orbital period of 18.954 hours. The discovery was not announced until 2013. [5] The satellite's orbit has an estimated semi-major axis of 19 kilometers. [4]

    Naming

    This minor planet was named in 1987 for Canadian John Leroy Climenhaga of the University of Victoria, in honour of his work in astrophysics. [2] The approved naming citation was published by the Minor Planet Center on 16 December 1986 ( M.P.C. 11441). [8]

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    References

    1. 1 2 3 4 5 "JPL Small-Body Database Browser: 3034 Climenhaga (A917 SE)" (2016-12-21 last obs.). Jet Propulsion Laboratory . Retrieved 15 June 2017.
    2. 1 2 Schmadel, Lutz D. (2007). "(3034) Climenhaga". Dictionary of Minor Planet Names – (3034) Climenhaga. Springer Berlin Heidelberg. p. 250. doi:10.1007/978-3-540-29925-7_3035. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 7 "LCDB Data for (3034) Climenhaga". Asteroid Lightcurve Database (LCDB). Retrieved 15 June 2017.
    4. 1 2 Johnston, Robert (21 September 2014). "(3034) Climenhaga". johnstonsarchive.net. Retrieved 15 June 2017.
    5. 1 2 3 4 Oey, Julian; Inasaridze, Raguli Ya.; Kvaratskhelia, Otar I.; Ayvazian, Vova; Chirony, Vasilij G.; Krugly, Yurij N.; et al. (July 2013). "Lightcurve Analysis is Search of Binary Asteroids". The Minor Planet Bulletin. 40 (3): 169–172. Bibcode:2013MPBu...40..169O. ISSN   1052-8091 . Retrieved 15 June 2017.
    6. ↑ 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 15 June 2017.
    7. ↑ "3034 Climenhaga (A917 SE)". Minor Planet Center. Retrieved 15 June 2017.
    8. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 15 June 2017.
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