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43 Ariadne

Main-belt asteroid

Field	Value
minorplanet	yes
bgcolour	#D6D6D6
name	43 Ariadne
image	43 Ariadne.png
caption	A three-dimensional model of 43 Ariadne based on its light curve on the top and an image of the asteroid on the bottom
discoverer	N. R. Pogson
discovered	15 April 1857
mpc_name	(43) Ariadne
pronounced
adjective	Ariadnean, Ariadnian
named_after	Ariadne
mp_category	Main belt (Flora family)
epoch	26 November 2005 (JD 2453700.5)
semimajor	329.646 million km (2.204 AU)
perihelion	274.339 million km (1.834 AU)
aphelion	384.954 million km (2.573 AU)
eccentricity	0.168
period	1194.766 d (3.27 a)
inclination	3.464°
asc_node	264.937°
arg_peri	15.948°
mean_anomaly	101.582°
dimensions
mass	(3.27 ± 1.35/0.59) kg
density	3.042 ± 1.255/0.547 g/cm3
rotation	0.2401 d
spectral_type	S
magnitude	8.8 to 13.42
abs_magnitude	7.93
albedo	0.274
angular_size	0.11–0.025

43 Ariadne is a fairly large and bright main-belt asteroid. It is the second-largest member of the Flora asteroid family. It was discovered by N. R. Pogson on 15 April 1857 and named after the Greek heroine Ariadne.

Characteristics

Ariadne is very elongate (almost twice as long as its smallest dimension) and probably bi-lobed or at least very angular. It is a retrograde rotator, although its pole points almost parallel to the ecliptic towards ecliptic coordinates (β, λ) = (−15°, 253°) with a 10° uncertainty. This gives an axial tilt of about 105°.

Studies

43 Ariadne was in a study of asteroids using the Hubble FGS. Asteroids studied include (63) Ausonia, (15) Eunomia, (43) Ariadne, (44) Nysa, and (624) Hektor.

Notes

References

Noah Webster (1884) ''A Practical Dictionary of the English Language''
"IRAS Minor Planet Survey (IMPS)".
[http://www.psi.edu/pds/archive/lc.html PDS lightcurve data] {{webarchive. link. (14 June 2006)
Tanga, P.. (2003). "Asteroid observations with the Hubble Space Telescope". Astronomy & Astrophysics.
Kaasalainen, M.. (2002). "Models of Twenty Asteroids from Photometric Data". Icarus.
"AstDys (43) Ariadne Ephemerides". Department of Mathematics, University of Pisa, Italy.
[http://www.psi.edu/pds/archive/astdata04/simps04/diamalb.tab Supplemental IRAS Minor Planet Survey] {{webarchive. link. (23 June 2006)
(2003-04-01). "Asteroid observations with the Hubble Space Telescope FGS". Astronomy & Astrophysics.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

flora-asteroids discoveries-by-n.-r.-pogson named-minor-planets s-type-asteroids-(tholen) sk-type-asteroids-(smass) astronomical-objects-discovered-in-1857 ariadne

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