759 Vinifera

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759 Vinifera (prov. designation: Template:Mp or Template:Mp) is a large background asteroid from the central regions of the asteroid belt, approximately Script error: No such module "convert". in diameter. It was discovered on 26 August 1913, by German astronomer Franz Kaiser at the Heidelberg-Königstuhl State Observatory in southwest Germany.[1] The dark X-type asteroid has a rotation period of 14.2 hours and a heavily elongated shape. It was named after the plant species vitis vinifera, also known as the common grape vine.[2]

Orbit and classification

Vinifera is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements.[3][4] It orbits the Sun in the central asteroid belt at a distance of 2.1–3.2 AU once every 4 years and 3 months (1,548 days; semi-major axis of 2.62 AU). Its orbit has an eccentricity of 0.21 and an inclination of 20° with respect to the ecliptic.[5] The body's observation arc begins with its official discovery observation by Franz Kaiser at the Heidelberg Observatory on 26 August 1913.[1]

Naming

This minor planet was named after the plant vitis vinifera, the common grape vine, to honor the discoverer's ancestors who were winemakers. The Template:MoMP was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 76Script error: No such module "Check for unknown parameters".).[2]

Physical characteristics

In the Bus–Binzel SMASS classification, Vinifera is an X-type asteroid.[5][4]

Rotation period

In September 2002, a rotational lightcurve of Vinifera was obtained from photometric observations by Maurice Clark at the Goodsell Observatory Template:Obscode in Minnesota. Lightcurve analysis gave a well-defined rotation period of Script error: No such module "val". hours with a brightness variation of Script error: No such module "val". magnitude (U=3Script error: No such module "Check for unknown parameters".).[6] Other observation by Jean-Gabriel Bosch, Jacques Michelet and René Roy (2002), Brian Uzpen and Steven Kipp (2002), as well as René Roy and Eric Barbotin (2019), gave nearly identical periods of Script error: No such module "val"., Script error: No such module "val". and Script error: No such module "val". hours with an amplitude of Script error: No such module "val"., Script error: No such module "val". and Script error: No such module "val". magnitude, respectively (U=3/3/3Script error: No such module "Check for unknown parameters".).[7][8]

Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer (WISE), Vinifera measures (Script error: No such module "val".), (Script error: No such module "val".) and (Script error: No such module "val".) kilometers in diameter and its surface has an albedo of (Script error: No such module "val".), (Script error: No such module "val".) and (Script error: No such module "val".), respectively.[9][10][11][12]

Alternative mean diameter measurements published by the WISE team include (Script error: No such module "val".), (Script error: No such module "val".), (Script error: No such module "val".) and (Script error: No such module "val".) with corresponding albedos of (Script error: No such module "val".), (Script error: No such module "val".), (Script error: No such module "val".) and (Script error: No such module "val".).[4][13] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0500 and a diameter of 45.07 kilometers based on an absolute magnitude of 10.6.[13]

On 13 January 2002, an asteroid occultation of Vinifera gave a best-fit ellipse dimension of (Script error: No such module "val".), with a quality rating of 2. Lower rated measurements on 3 October 2011 and on 20 November 2015, gave an ellipse dimension of (Script error: No such module "val".) and (Script error: No such module "val".), respectively. These timed observations are taken when the asteroid passes in front of a distant star.[4]

References

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  1. ↑ a b Script error: No such module "citation/CS1".
  2. ↑ a b Script error: No such module "citation/CS1".
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  4. ↑ a b c d Script error: No such module "citation/CS1".
  5. ↑ a b Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "Citation/CS1".
  7. ↑ Script error: No such module "citation/CS1".
  8. ↑ Script error: No such module "Citation/CS1".
  9. ↑ Script error: No such module "Citation/CS1".
  10. ↑ Script error: No such module "Citation/CS1". (online, AcuA catalog p. 153)
  11. ↑ Script error: No such module "Citation/CS1".
  12. ↑ Script error: No such module "Citation/CS1".
  13. ↑ a b Script error: No such module "citation/CS1".

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External links

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