1169 Alwine

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1169 Alwine
Discovery [1]
Discovered by M. F. Wolf
M. Ferrero
Discovery site Heidelberg Obs.
Discovery date30 August 1930
Designations
(1169) Alwine
Named after
unknown [2]
1930 QH ·1937 VH
1955 SK1 ·1955 SR1
main-belt  ·(inner)
Flora [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 86.77 yr (31,691 days)
Aphelion 2.6775 AU
Perihelion 1.9599 AU
2.3187 AU
Eccentricity 0.1547
3.53 yr (1,290 days)
155.85°
0° 16m 45.12s / day
Inclination 4.0522°
255.08°
177.29°
Physical characteristics
Dimensions7.893±0.185 km [4]
0.179±0.024 [4]
12.8 [1]

    1169 Alwine, provisional designation 1930 QH, is a Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 30 August 1930, by German and Italian astronomers Max Wolf and Mario Ferrero at Heidelberg Observatory in southwest Germany. [5] Any reference of its name to a person is unknown. [2]

    Contents

    Orbit and classification

    Alwine is a member of the Flora family ( 402 ), [3] a giant asteroid family and the largest family of stony asteroids in the main belt. [6] : 23  It orbits the Sun in the inner asteroid belt at a distance of 2.0–2.7  AU once every 3 years and 6 months (1,290 days; semi-major axis of 2.32 AU). Its orbit has an eccentricity of 0.15 and an inclination of 4° with respect to the ecliptic. [1] As no precoveries were taken, and no prior identifications were made, Alwine's observation arc begins with its official discovery observation at Heidelberg in August 1930. [5]

    Physical characteristics

    According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Alwine measures 7.89 kilometers in diameter, and its surface has an albedo of 0.179. [4] Based on a generic magnitude-to-diameter conversion, its diameter is between 7 and 17 kilometers for an absolute magnitude of 12.8 and an albedo in the range of 0.05 to 0.25. [7]

    Lightcurve

    As of 2017, no rotational lightcurves have been obtained. The body's rotation period, pole and shape remain unknown. [1] [8]

    Naming

    This minor planet is named after a common German female name. Any reference of this name to a person or occurrence is unknown. [2]

    Unknown meaning

    Among the many thousands of named minor planets, Alwine is one of 120 asteroids, for which no official naming citation has been published. All of these low-numbered asteroids have numbers between 164 Eva and 1514 Ricouxa and were discovered between 1876 and the 1930s, predominantly by astronomers Auguste Charlois, Johann Palisa, Max Wolf and Karl Reinmuth. [9]

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    <span class="mw-page-title-main">1077 Campanula</span>

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    <span class="mw-page-title-main">1286 Banachiewicza</span> Asteroid

    1286 Banachiewicza is an elongated Eos asteroid from the outer regions of the asteroid belt. It was discovered on 25 August 1933, by Belgian astronomer Sylvain Arend at the Royal Observatory of Belgium in Uccle. The stony S-type asteroid has a rotation period of 8.6 hours and measures approximately 21 kilometers in diameter. It was named after Polish astronomer Tadeusz Banachiewicz.

    1671 Chaika, provisional designation 1934 TD, is a background asteroid from the Astraea region in the central asteroid belt, approximately 10 kilometers in diameter. It was discovered on 3 October 1934, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The assumed S-type asteroid has a rotation period of 3.8 hours. It was named for Soviet cosmonaut Valentina Tereshkova.

    1205 Ebella, provisional designation 1931 TB1, is a relatively eccentric asteroid from the central regions of the asteroid belt, approximately 5.5 kilometers in diameter. It was discovered by astronomer Karl Reinmuth at Heidelberg Observatory on 6 October 1931. The asteroid was named after German astronomer Martin Ebell.

    1184 Gaea, provisional designation 1926 RE, is an Aerian asteroid from the central regions of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 5 September 1926, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The asteroid was named after the goddess of Earth, Gaea (Gaia), from Greek mythology.

    5900 Jensen, provisional designation 1986 TL, is a dark Lixiaohua asteroid from the outer regions of the asteroid belt, approximately 19 kilometers in diameter. It was discovered on 3 October 1986, by Danish astronomer Poul Jensen at the Brorfelde Observatory in Denmark. The asteroid was named for the discoverer and his wife Bodil Jensen.

    1183 Jutta, provisional designation 1930 DC, is a dark Nysian asteroid and slow rotator from the inner regions of the asteroid belt, approximately 22 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at the Heidelberg Observatory on 22 February 1930. Any reference of its name to a person is unknown.

    1209 Pumma, provisional designation 1927 HA, is a Hygiean asteroid from the outer region of the asteroid belt, approximately 30 kilometers in diameter. It was discovered on 22 April 1927, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. The asteroid was named after the niece of astronomer Albrecht Kahrstedt.

    14871 Pyramus, provisional designation 1990 TH7, is a dark Zhongguo asteroid from the outermost region of the asteroid belt, approximately 9 kilometers (6 miles) in diameter. It was discovered on 13 October 1990 by German astronomers Lutz Schmadel and Freimut Börngen at the Karl Schwarzschild Observatory in Tautenburg, Germany. The asteroid was named for Pyramus from classical mythology.

    1229 Tilia is a dark Themistian asteroid from the outermost regions of the asteroid belt, approximately 28 kilometers in diameter. It was discovered on 9 October 1931, by astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany, and given the provisional designation 1931 TP1. The asteroid was named for the genus of trees, Tilia (lime tree, linden, basswood).

    References

    1. 1 2 3 4 5 "JPL Small-Body Database Browser: 1169 Alwine (1930 QH)" (2017-06-05 last obs.). Jet Propulsion Laboratory . Retrieved 26 July 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(1169) Alwine". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 98. doi:10.1007/978-3-540-29925-7_1170. ISBN   978-3-540-00238-3.
    3. 1 2 "Asteroid 1169 Alwine – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
    4. 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 1 February 2017.
    5. 1 2 "1169 Alwine (1930 QH)". Minor Planet Center. Retrieved 1 February 2017.
    6. ↑ 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.
    7. ↑ "Absolute Magnitude (H)". NASA/JPL. Archived from the original on 2 March 2001. Retrieved 1 February 2017.
    8. ↑ "LCDB Data for (1169) Alwine". Asteroid Lightcurve Database (LCDB). Retrieved 1 February 2017.
    9. ↑ Schmadel, Lutz D. (2007). "Appendix 11 – Minor Planet Names with Unknown Meaning". Dictionary of Minor Planet Names – Fifth Revised and Enlarged revision. Springer Berlin Heidelberg. pp. 927–929. ISBN   978-3-540-00238-3.
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