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Contents

   



(Top)
 


1 Classification  



1.1  Largest member  







2 Orbit  





3 Physical characteristics  



3.1  Rotation period  







4 Naming  





5 References  





6 External links  














3330 Gantrisch






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From Wikipedia, the free encyclopedia
 


3330 Gantrisch
Discovery [1]
Discovered byT. Schildknecht
Discovery siteZimmerwald Obs.
Discovery date12 September 1985
Designations

MPC designation

(3330) Gantrisch

Named after

Gantrisch mountain
(Swiss Bernese Alps)[2]

Alternative designations

1985 RU1 · 1933 FY
1978 EF3 · 1978 GK1
1980 TU11 · 1980 XW1
1982 BZ · A918 UA

Minor planet category

main-belt · (outer)
Lixiaohua[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc84.28 yr (30,785 days)
Aphelion3.7913 AU
Perihelion2.5201 AU

Semi-major axis

3.1557 AU
Eccentricity0.2014

Orbital period (sidereal)

5.61 yr (2,048 days)

Mean anomaly

296.09°

Mean motion

0° 10m 32.88s / day
Inclination10.266°

Longitude of ascending node

9.8648°

Argument of perihelion

305.86°
Physical characteristics
Dimensions35.717±0.477km[4]

Geometric albedo

0.033±0.005[4]

Spectral type

X[5]

Absolute magnitude (H)

11.4[1]

3330 Gantrisch, provisional designation 1985 RU1, is a dark asteroid from the outer regions of the asteroid belt and the largest member of the Lixiaohua family, approximately 36 kilometers in diameter. It was discovered on 12 September 1985, by Swiss astronomer Thomas SchildknechtatZimmerwald Observatory near Bern, Switzerland.[6] It was named after the Gantrisch mountain.[2]

Classification

[edit]

Gantrisch is a member of the Lixiaohua family, an outer-belt asteroid family of more than 700 known members, which consists of C-type and X-type asteroids and is named after 3556 Lixiaohua.[7]: 23  With diameter of 36 kilometers, Gantrisch is significantly larger than all other, low-numbered members of this family: 3556 Lixiaohua (20 km), 5771 Somerville (26 km), 5900 Jensen (19 km) and 8773 Torquilla (14 km).

Largest member

[edit]

Since Gantrisch is the family's largest member, the Lixiaohua family is sometimes called "Gantrisch family".[3][5] However, renaming families leads to potential confusion and is discouraged by Nesvorný, who proposes to keep the original name and regards the family name as a "label", irrespective of whether or not its namesake is the largest and/or lowest numbered member.[7]: 15 

Orbit

[edit]

Gantrisch orbits the Sun in the outer main-belt at a distance of 2.5–3.8 AU once every 5 years and 7 months (2,048 days). Its orbit has an eccentricity of 0.20 and an inclination of 10° with respect to the ecliptic.[1]

The asteroid was first identified as A918 UAatHeidelberg Observatory in October 1918. The body's observation arc also begins at Heidelberg in March 1933, more than 52 years prior to its official discovery observation at Zimmerwald.[6]

Physical characteristics

[edit]

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Gantrisch measures 35.717 kilometers in diameter and its surface has an albedo of 0.033.[4]

Rotation period

[edit]

As of 2017, no rotational lightcurve of Gantrisch has been obtained from photometric observations. The asteroid's rotation period, poles and shape remains unknown.[8]

Naming

[edit]

This minor planet was named after the Gantrisch mountain, located south of the discovering observatory in the Bernese Alps.[2] The official naming citation was published by the Minor Planet Center on 3 May 1996 (M.P.C. 27125).[9]

References

[edit]
  1. ^ a b c d "JPL Small-Body Database Browser: 3330 Gantrisch (1985 RU1)" (2017-07-05 last obs.). Jet Propulsion Laboratory. Retrieved 6 September 2017.
  • ^ a b c Schmadel, Lutz D. (2007). "(3330) Gantrisch". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 277. doi:10.1007/978-3-540-29925-7_3331. ISBN 978-3-540-00238-3.
  • ^ a b "Asteroid 3330 Gantrisch – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
  • ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. Retrieved 6 September 2017.
  • ^ a b Novaković, B.; Tsiganis, K.; Knezevic, Z. (June 2010). "Dynamical portrait of the Lixiaohua asteroid family". Celestial Mechanics and Dynamical Astronomy. 107 (1–2): 35–49. Bibcode:2010CeMDA.107...35N. doi:10.1007/s10569-010-9263-9.
  • ^ a b "3330 Gantrisch (1985 RU1)". Minor Planet Center. Retrieved 6 September 2017.
  • ^ a b Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. arXiv:1502.01628. Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN 978-0-8165-3213-1.
  • ^ "LCDB Data for (3330) Gantrisch". Asteroid Lightcurve Database (LCDB). Retrieved 6 September 2017.
  • ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 6 September 2017.
  • [edit]
    Retrieved from "https://en.wikipedia.org/w/index.php?title=3330_Gantrisch&oldid=1226984900"

    Categories: 
    Minor planet object articles (numbered)
    Lixiaohua asteroids
    Discoveries by Thomas Schildknecht
    Named minor planets
    Astronomical objects discovered in 1985
    Hidden categories: 
    Use dmy dates from October 2019
    Webarchive template wayback links
    Articles with JPL SBDB identifiers
    Articles with MPC identifiers
     



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