867 Kovacia

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867 Kovacia
867Kovacia (Lightcurve Inversion).png
A three-dimensional model of 867 Kovacia based on its light curve.
Discovery
Discovered by J. Palisa
Discovery date 25 February 1917
Designations
Named after
Friedrich Kovacs
1917 BS, 1942 XF
1958 WA
Main belt (Hygiea family)
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 97.33 yr (35550 days)
Aphelion 3.4612 AU (517.79 Gm)
Perihelion 2.6720 AU (399.73 Gm)
3.0666 AU (458.76 Gm)
Eccentricity 0.12868
5.37 yr (1961.5 d)
16.95 km/s
216.886°
0° 11m 0.708s / day
Inclination 5.9748°
46.829°
70.019°
Earth MOID 1.69428 AU (253.461 Gm)
Jupiter MOID 1.67283 AU (250.252 Gm)
Jupiter Tisserand parameter 3.211
Physical characteristics
Mean radius
12.02±1.1 km,[1] 12 km[2]
Mass ~1.0×1016 kg (estimate)
Mean density
~1.4 g/cm³ (estimate)[3]
Equatorial surface gravity
~0.0047 m/s² (estimate)
Equatorial escape velocity
~0.011 km/s (estimate)
8.6772 h (0.36155 d)
0.0923,[2] 0.0923±0.019[1]
Temperature ~159 K
max: 242K (-31° C)
B-type asteroid[4]
11.4

867 Kovacia is a minor planet orbiting the Sun.

References[edit]

  1. ^ a b c "867 Kovacia (1917 BS)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 4 May 2016. 
  2. ^ a b "Supplemental IRAS Minor Planet Survey". 
  3. ^ G. A. Krasinsky; et al. (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158: 98. doi:10.1006/icar.2002.6837. 
  4. ^ T. Mothé-Diniz; et al. (2001). "Rotationally Resolved Spectra of 10 Hygiea and a Spectroscopic Study of the Hygiea Family". Icarus. 152: 117. 

External links[edit]