19738 Calinger

Last updated

19738 Calinger
Discovery [1]
Discovered by LINEAR
Discovery site Lincoln Lab's ETS
Discovery date4 January 2000
Designations
(19738) Calinger
Named after
Manetta Calinger
(DCYSC mentor) [2]
2000 AS97 ·1991 RZ36
main-belt  · inner
background
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 26.88 yr (9,819 days)
Aphelion 2.7043 AU
Perihelion 1.8606 AU
2.2824 AU
Eccentricity 0.1848
3.45 yr (1,260 days)
165.65°
0° 17m 8.88s / day
Inclination 7.7356°
90.753°
280.16°
Physical characteristics
Dimensions3.272±0.082 [3]
0.314±0.056 [3]
14.1 [1]

    19738 Calinger (provisional designation 2000 AS97) is a background asteroid from the inner regions of the asteroid belt, approximately 3 kilometers in diameter.

    Contents

    It was discovered on 4 January 2000, by members of the Lincoln Near-Earth Asteroid Research team at Lincoln Laboratory's Experimental Test Site in Socorro, New Mexico, and named after DCYSC-mentor Manetta Calinger. [2] [4]

    Classification and orbit

    Calinger is a non-family asteroid from the main belt's background population. It orbits the Sun in the inner asteroid belt at a distance of 1.9–2.7  AU once every 3 years and 5 months (1,260 days). Its orbit has an eccentricity of 0.18 and an inclination of 8° with respect to the ecliptic. [1]

    The body's observation arc begins almost 10 years prior to its official discovery observation, with a precovery from the Digitized Sky Survey taken at Palomar Observatory in May 1990. [4]

    Physical characteristics

    According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Calinger measures 3.272 kilometers in diameter and its surface has a high albedo of 0.314. [3] It has an absolute magnitude of 14.1. [1]

    Lightcurves

    As of 2017, Calinger's rotation period and shape remain unknown. [1] [5]

    Naming

    This minor planet was named after Manetta Calinger who mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, DCYSC. [2] The approved naming citation was published by the Minor Planet Center on 10 October 2003 ( M.P.C. 49772). [6]

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    References

    1. 1 2 3 4 5 6 "JPL Small-Body Database Browser: 19738 Calinger (2000 AS97)" (2017-03-31 last obs.). Jet Propulsion Laboratory . Retrieved 26 June 2017.
    2. 1 2 3 Schmadel, Lutz D. (2006). "(19738) Calinger [2.28, 0.19, 7.7]". Dictionary of Minor Planet Names – (19738) Calinger, Addendum to Fifth Edition: 2003–2005. Springer Berlin Heidelberg. p. 142. doi:10.1007/978-3-540-34361-5_1596. ISBN   978-3-540-34361-5.
    3. 1 2 3 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 9 March 2017.
    4. 1 2 "19738 Calinger (2000 AS97)". Minor Planet Center. Retrieved 9 March 2017.
    5. ↑ "LCDB Data for (19738) Calinger". Asteroid Lightcurve Database (LCDB). Retrieved 26 June 2017.
    6. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 9 March 2017.
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