6 Hebe

Frae Wikipedia
Jump to navigation Jump to search
6 Hebe 6 Hebe Astronomical Symbol.svg
6Hebe (Lightcurve Inversion).png
A three-dimensional model o 6 Hebe based on its licht curve.
Discovery
Discovered bi Karl Ludwig Hencke
Discovery date Julie 1, 1847
Designations
Pronunciation /ˈhb/ HEE-bee
Named after
Hēbē
1947 JB
Main belt
Adjectives Hebean
Orbital chairactereestics
Epoch November 26, 2005 (JD 2453700.5)
Aphelion 2.914 AU (435.996 Gm)
Perihelion 1.937 AU (289.705 Gm)
2.426 AU (362.851 Gm)
Eccentricity 0.202
3.78 a (1379.756 d)
18.93 km/s
247.947°
Inclination 14.751°
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
Dimensions 205×185×170 km[2][3][4]
186 km (mean)
Mass 1.28×1019 kg[2]
Mean density
3.81±0.26 g/cm³[2]
~0.087 m/s2
~0.13 km/s
0.3031 d[5]
Albedo 0.268 (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 2011-10-01. 
  2. 2.0 2.1 2.2 Jim Baer (2008). "Recent Asteroid Mass Determinations". Personal Website. Retrieved 2008-11-28. 
  3. 3.0 3.1 Supplemental IRAS Minor Planet Survey
  4. J. Torppa et al. Shapes and rotational properties of thirty asteroids from photometric data, Icarus, Vol. 164, p. 346 (2003).
  5. Planetary Data System Small Bodies Node, lightcurve parameters
  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.