astro.wikisort.org - Asteroid747 Winchester is an asteroid, a minor planet orbiting the Sun. It was discovered in 1913, and is named after the town in which it was discovered, Winchester, Massachusetts, in the USA.
Asteroid orbiting the Sun
747 Winchester A three-dimensional model of 747 Winchester based on its light curve |
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Discovered by | Joel Hastings Metcalf |
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Discovery site | Winchester, Massachusetts |
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Discovery date | 7 March 1913 |
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MPC designation | (747) Winchester |
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Pronunciation | [1] |
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Alternative designations | 1913 QZ |
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Adjectives | Winchestrian [1] |
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Epoch 31 July 2016 (JD 2457600.5) |
Uncertainty parameter 0 |
Observation arc | 103.11 yr (37662 d) |
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Aphelion | 4.0220 AU (601.68 Gm) |
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Perihelion | 1.9802 AU (296.23 Gm) |
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Semi-major axis | 3.0011 AU (448.96 Gm) |
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Eccentricity | 0.34019 |
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Orbital period (sidereal) | 5.20 yr (1899.0 d) |
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Mean anomaly | 59.0474° |
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Mean motion | 0° 11m 22.488s / day |
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Inclination | 18.165° |
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Longitude of ascending node | 130.081° |
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Argument of perihelion | 275.511° |
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Mean radius | 85.855±1.55 km[2] 85.035 ± 3.35 km[3] |
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Mass | (3.81 ± 2.22) × 1018 kg[3] |
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Mean density | 1.47 ± 0.87 g/cm3[3] |
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Synodic rotation period | 9.4146 h (0.39228 d) |
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Geometric albedo | 0.0503±0.002 |
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Absolute magnitude (H) | 7.69 |
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Photometric observations of this asteroid at the Palmer Divide Observatory in Colorado Springs, Colorado in 2007 gave a light curve with a period of 9.4146 ± 0.0002 hours and a brightness variation of 0.16 ± 0.02 in magnitude. This is reasonably consistent with independent results reported in 1983 (9.40h), 1993 (9.402h), and 2007 (9.334h).[4]
References
- "Winchester". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- "747 Winchester (1913 QZ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 18 September 2020. Retrieved 5 May 2016.
- Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- Warner, Brian D. (December 2007), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory - March-May 2007", The Minor Planet Bulletin, vol. 34, no. 4, pp. 104–107, Bibcode:2007MPBu...34..104W.
External links
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На других языках
[de] (747) Winchester
(747) Winchester ist ein Asteroid des Hauptgürtels, der am 7. März 1913 vom US-amerikanischen Astronomen Joel Hastings Metcalf entdeckt wurde.
- [en] 747 Winchester
[es] (747) Winchester
(747) Winchester es un asteroide que forma parte del cinturón de asteroides, que fue descubierto el 7 de marzo de 1913 por Joel Hastings Metcalf desde Winchester, Estados Unidos.
[ru] (747) Уинчестер
(747) Уинчестер (англ. Winchester) — крупный астероид Главного пояса, который был открыт 7 марта 1913 года американским астрономом Джоэлом Меткалфом и назван в честь американского города Уинчестер (штат Массачусетс, США), откуда первооткрыватель вёл свои наблюдения[2].
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