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1 Satellite  





2 References  





3 External links  














379 Huenna






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379 Huenna
Orbital diagram
Discovery[1]
Discovered byAuguste Charlois
Discovery date8 January 1894
Designations

MPC designation

(379) Huenna
Pronunciation/hjuːˈɛnə/

Named after

Ven

Alternative designations

1894 AQ; A895 DB; A911 BA; 1948 XM

Minor planet category

Main belt (Themis)
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc122.26 yr (44656 d)
Aphelion3.7186 AU (556.29 Gm)
Perihelion2.5540 AU (382.07 Gm)

Semi-major axis

3.1363 AU (469.18 Gm)
Eccentricity0.18567

Orbital period (sidereal)

5.55 yr (2028.7 d)

Mean anomaly

126.109°

Mean motion

0° 10m 38.82s / day
Inclination1.6699°

Longitude of ascending node

172.036°

Argument of perihelion

179.961°
Known satellites1 (5.8±1.2 km)[2]
Physical characteristics

Mean diameter

92.33±1.7 km (IRAS)[1]
98±km[2]
Mass(3.83±0.19)×1017 kg[2][3]

Mean density

0.9±0.1 g/cm3[2][3]
1.2 g/cm3[4][5]

Synodic rotation period

14.141 h (0.5892 d)[1]

Geometric albedo

0.0587±0.002[1]

Spectral type

C[3]

Absolute magnitude (H)

8.87[1]

Huenna (minor planet designation: 379 Huenna) is a large asteroid orbiting in the asteroid belt. It is part of the Themis family, and thus a C-type asteroid and consequently composed mainly of carbonaceous material.

It was discovered by Auguste Charlois on 8 January 1894 in Nice. It is the Latin name for the Swedish island of Ven, the site of two observatories. This island is where Tycho Brahe built his observatory.[6]

Satellite[edit]

A satellite, 7 km across and designated S/2003 (379) 1, was discovered on 14 August 2003 by Jean-Luc Margot using the Keck II adaptive optics telescope at Mauna Kea.[7] The moon orbits 3400±11 km away in 80.8±0.36 d with an eccentricity of 0.334±0.075.[5] The system is loosely bound[4] as Huenna has a Hill sphere with a radius of about 20,000 km.[2]

The orbit of Huenna's satellite

References[edit]

  1. ^ a b c d e f "JPL Small-Body Database Browser: 379 Huenna (1894 AQ)". Jet Propulsion Laboratory. 2012-01-03 last obs. Archived from the original on 4 June 2019. Retrieved 10 May 2016.
  • ^ a b c d e Marchis, Franck; P. Descamps; J. Berthier; D. hestroffer; F. vachier; M. Baek; et al. (2008). "Main Belt Binary Asteroidal Systems With Eccentric Mutual Orbits". Icarus. 195 (1): 295–316. arXiv:0804.1385. Bibcode:2008Icar..195..295M. doi:10.1016/j.icarus.2007.12.010. S2CID 119244052.
  • ^ a b c Jim Baer (12 December 2010). "Recent Asteroid Mass Determinations". Personal Website. Archived from the original on 2 July 2013. Retrieved 3 February 2012.
  • ^ a b Franck Marchis (May 2005). "379 Huenna and S/2003 (379) 1". UCB. Retrieved 3 February 2012.
  • ^ a b Wm. Robert Johnston (25 November 2008). "(379) Huenna and S/2003 (379) 1". Johnston's Archive. Archived from the original on 11 December 2005. Retrieved 11 November 2005.
  • ^ Peebles, Curtis (2016), Asteroids: a History, Smithsonian, p. 159, ISBN 9781944466046.
  • ^ "IAUC 8182: S/2003 (379) 1; 2003he, 2003hf; C/2003 H1; C/2001 Q4". IAU Central Bureau for Astronomical Telegrams. 15 August 2003. Retrieved 4 February 2012.
  • External links[edit]


    Retrieved from "https://en.wikipedia.org/w/index.php?title=379_Huenna&oldid=1191824227"

    Categories: 
    Minor planet object articles (numbered)
    Themis asteroids
    Discoveries by Auguste Charlois
    Named minor planets
    Binary asteroids
    B-type asteroids (Tholen)
    C-type asteroids (SMASS)
    Astronomical objects discovered in 1894
    Hidden categories: 
    Articles with short description
    Short description matches Wikidata
    Use dmy dates from September 2019
    Webarchive template wayback links
    Articles with JPL SBDB identifiers
    Articles with MPC identifiers
     



    This page was last edited on 26 December 2023, at 01:36 (UTC).

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