2151 Hadwiger

2151 Hadwiger, provisional designation 1977 VX, is a Marian asteroid from the central region of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 3 November 1977, by Swiss astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland.[7]

2151 Hadwiger
Discovery [1]
Discovered byP. Wild
Discovery siteZimmerwald Obs.
Discovery date3 November 1977
Designations
(2151) Hadwiger
Named after
Hugo Hadwiger[2]
1977 VX · 1932 UC
1940 SB · 1963 FF
1969 UU2 · 1973 SQ6
1975 EA
main-belt · Maria
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc83.16 yr (30,374 days)
Aphelion2.7071 AU
Perihelion2.4145 AU
2.5608 AU
Eccentricity0.0571
4.10 yr (1,497 days)
177.54°
0° 14m 25.8s / day
Inclination15.487°
27.926°
86.794°
Physical characteristics
Dimensions13.767±0.540[3]
5.872±0.002[4]
2.29±0.01 h[5]
0.446±0.058[3]
Tholen = CSU [1]
C [6]
11.0[1]

    Orbit and characterization

    Hadwiger orbits the Sun at a distance of 2.4–2.7 AU once every 4 years and 1 month (1,497 days). Its orbit has an eccentricity of 0.06 and an inclination of 15° with respect to the ecliptic.[1] It is a member of the Maria family of asteroids.[5]

    In the Tholen classification, Hadwiger is a carbonaceous CSU-type.[1] It has a rotation period of hours with a brightness variation of in magnitude.[4]

    Naming

    This minor planet was named in memory of Swiss mathematician Hugo Hadwiger (1908–1981), professor at the University of Berne for more than 40 years and very popular for his refined art of presentation.[2] The approved naming citation was published by the Minor Planet Center on 22 September 1983 (M.P.C. 8151).[8]

    References
    1. "JPL Small-Body Database Browser: 2151 Hadwiger (1977 VX)" (2017-05-04 last obs.). Jet Propulsion Laboratory. Retrieved 19 June 2017.
    2. Schmadel, Lutz D. (2007). "(2151) Hadwiger". Dictionary of Minor Planet Names – (2151) Hadwiger. Springer Berlin Heidelberg. p. 174. doi:10.1007/978-3-540-29925-7_2152. ISBN 978-3-540-00238-3.
    3. Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 19 June 2017.
    4. Sada, Pedro V.; Canizales, Eder D.; Armada, Edgar M. (December 2005). "CCD photometry of asteroids 651 Antikleia, 738 Alagasta, and 2151 Hadwiger using a remote commercial telescope". The Minor Planet Bulletin. 32 (4): 73–75. Bibcode:2005MPBu...32...73S. ISSN 1052-8091. Retrieved 19 June 2017.
    5. Alvarez-Candal, Alvaro; et al. (December 2004), "Rotational lightcurves of asteroids belonging to families", Icarus, 172 (2): 388–401, Bibcode:2004Icar..172..388A, doi:10.1016/j.icarus.2004.06.008.
    6. "LCDB Data for (2151) Hadwiger". Asteroid Lightcurve Database (LCDB). Retrieved 19 June 2017.
    7. "2151 Hadwiger (1977 VX)". Minor Planet Center. Retrieved 19 June 2017.
    8. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 19 June 2017.

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