67 Asia

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67 Asia
67 Asia
Discovery
Discovered by Norman Robert Pogson
Discovery dateApril 17, 1861
Designations
(67) Asia
Pronunciation /ˈʃiə/ [1]
Named after
Asia and Asia
Main belt
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 2.869  AU (429.2  Gm)
Perihelion 1.973  AU (295.2  Gm)
2.421  AU (362.2  Gm)
Eccentricity 0.185
3.77 yr (1,376.048 d)
182.178°
Inclination 6.027°
202.722°
2023-Dec-10
106.301°
Proper orbital elements
Proper mean motion
0.26133  deg  / yr
1377.56859 yr
(503156.928 d)
Physical characteristics
Dimensions60.99 ± 2.41 km [2]
Mass (1.03 ± 0.10) × 1018 kg [2]
Mean density
8.66 ± 1.32 g/cm3 [2]
15.89 hours
0.255 [3]
S
8.28

    67 Asia is a large main belt asteroid. It was discovered by English astronomer N. R. Pogson on April 17, 1861, from the Madras Observatory. Pogson chose the name to refer both to Asia, a Titaness in Greek mythology, and to the continent of Asia, because the asteroid was the first to be discovered from that continent. [4]

    This object is orbiting the Sun with a period of 3.77 years, a semimajor axis of 2.421  AU , and an eccentricity of 0.185. It has a 2:1 commensurability with Mars, having an orbital period double that of the planet. [5] The orbital plane lies at an inclination of 6.0° to the plane of the ecliptic. This is a stony S-type asteroid with a cross-sectional size of 61 km, [2] Photometry from the Oakley Observatory during 2006 produced a lightcurve that indicated a sidereal rotation period of 15.90±0.02 with an amplitude of 0.26±0.04 in magnitude. [6]

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    References

    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. 1 2 3 4 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.
    3. Asteroid Data Sets Archived 2009-12-17 at the Wayback Machine
    4. Schmadel, Lutz D. (2003), Dictionary of Minor Planet Names, Springer Science & Business Media, p. 22, ISBN   978-3-540-00238-3
    5. Plastino, A. R.; Vucetich, H. (August 1992), "Resonant asteroids and the equivalence principle", Astronomy and Astrophysics, 262 (1): 321–325, Bibcode:1992A&A...262..321P
    6. Ditteon, Richard; Hawkins, Scot (September 2007), "Asteroid Lightcurve Analysis at the Oakley Observatory – October–November 2006", The Minor Planet Bulletin, 34 (3): 59–64, Bibcode:2007MPBu...34...59D, ISSN   1052-8091.