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6 Hebe

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6 Hebe
A three-dimensional model o 6 Hebe based on its licht curve.
Discovery
Discovered biKarl Ludwig Hencke
Discovery dateJulie 1, 1847
Designations
Pronunciation/ˈhb/ HEE-bee
Named after
Hēbē
1947 JB
Main belt
AdjectivesHebean
Orbital chairactereestics
Epoch November 26, 2005 (JD 2453700.5)
Aphelion2.914 AU (435.996 Gm)
Perihelion1.937 AU (289.705 Gm)
2.426 AU (362.851 Gm)
Eccentricity0.202
3.78 a (1379.756 d)
18.93 km/s
247.947°
Inclination14.751°
138.752°
239.492°
Proper orbital elements[1]
2.4252710 AU
0.1584864
14.3511092°
95.303184 deg / yr
3.77742 yr
(1379.702 d)
Precession o perihelion
31.568209 arcsec / yr
Precession of the ascending node
−41.829042 arcsec / yr
Pheesical chairacteristics
Dimensions205×185×170 km[2][3][4]
186 km (mean)
Mass1.28×1019 kg[2]
Mean density
3.81±0.26 g/cm³[2]
~0.087 m/s2
~0.13 km/s
0.3031 d[5]
Albedo0.268 (geometric)[3]
Temperatur~170 K
max: ~269 K (-4°C)
Spectral teep
S-type asteroid
7.5[6] to 11.50
5.71
0.26" to 0.065"

6 Hebe (/ˈhb/ HEE-bee) is a lairge main-belt asteroid, containin aroond hauf a percent o the mass o the belt.

References

[eedit | eedit soorce]
  1. "AstDyS-2 Hebe Synthetic Proper Orbital Elements". Department of Mathematics, University of Pisa, Italy. Retrieved 1 October 2011.
  2. a b c Jim Baer (2008). "Recent Asteroid Mass Determinations". Personal Website. Archived frae the original on 21 October 2013. Retrieved 28 November 2008.
  3. a b "Supplemental IRAS Minor Planet Survey". Archived frae the original on 23 Juin 2006. Retrieved 7 November 2014.
  4. J. Torppa et al. Shapes and rotational properties of thirty asteroids from photometric data Archived 2015-11-06 at the Wayback Machine, Icarus, Vol. 164, p. 346 (2003).
  5. "Planetary Data System Small Bodies Node, lightcurve parameters". Archived frae the original on 14 Juin 2006. Retrieved 7 November 2014.
  6. Donald H. Menzel; Jay M. Pasachoff (1983). A Field Guide to the Stars and Planets (2nd ed.). Boston, MA: Houghton Mifflin. p. 391. ISBN 0-395-34835-8.