30000 Camenzind

30000 Camenzind, provisional designation 2000 AB138, is a very bright background asteroid from the inner region of the asteroid belt, approximately 2.6 kilometers (1.6 miles) in diameter. It was discovered on 4 January 2000, by astronomers of the Lincoln Near-Earth Asteroid Research program conducted at the Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, in the United States. The asteroid was named for 2014-ISTS awardee Kathy Camenzind.[1]

For other uses, see Camenzind (disambiguation).
30000 Camenzind
Discovery [1]
Discovered byLINEAR
Discovery siteLincoln Lab's ETS
Discovery date4 January 2000
Designations
(30000) Camenzind
Named after
Kathy Camenzind [1]
(ISTS awardee)
2000 AB138 · 1991 RQ35
1998 VR18
main-belt [1][2] · (inner)
background [3][4]
Orbital characteristics [2]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 0
Observation arc27.09 yr (9,895 d)
Aphelion2.4487 AU
Perihelion2.0860 AU
2.2673 AU
Eccentricity0.0800
3.41 yr (1,247 d)
162.97°
0° 17m 19.32s / day
Inclination6.5761°
11.650°
225.88°
Physical characteristics
Mean diameter
2.592±0.626 km[5]
0.457±0.117[5]
14.6[1][2]

    Orbit and classification

    Camenzind is a non-family asteroid from the main belt's background population.[3][4] It orbits the Sun in the inner asteroid belt at a distance of 2.1–2.4 AU once every 3 years and 5 months (1,247 days; semi-major axis of 2.27 AU). Its orbit has an eccentricity of 0.08 and an inclination of 7° with respect to the ecliptic.[2] The body's observation arc begins with its first observation as 1991 RQ35 at Palomar Observatory in September 1991.[1]

    Naming

    This minor planet was named after American student Kathy Camenzind (born 1996), a 2014-finalist of the Intel science talent search (STS).[1] The official naming citation was published by the Minor Planet Center on 13 June 2014 (M.P.C. 88760).[6]

    Physical characteristics

    Rotation period

    As of 2018, no rotational lightcurve of Camenzind has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.[2][7]

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Camenzind measures 2.59 kilometers in diameter and its surface has a high albedo of 0.457.[5] Such a high albedo is typical for E-type asteroids.

    See also

    References
    1. "30000 Camenzind (2000 AB138)". Minor Planet Center. Retrieved 13 November 2018.
    2. "JPL Small-Body Database Browser: 30000 Camenzind (2000 AB138)" (2018-10-16 last obs.). Jet Propulsion Laboratory. Retrieved 13 November 2018.
    3. "Asteroid (30000) Camenzind – Proper elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 13 November 2018.
    4. "Small Bodies Data Ferret". Nesvorny HCM Asteroid Families V3.0. Archived from the original on 2 August 2017. Retrieved 3 February 2018.
    5. 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.
    6. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 13 November 2018.
    7. "LCDB Data for (30000) Camenzind". Asteroid Lightcurve Database (LCDB). Retrieved 13 November 2018.

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