268 Adorea

268 Adorea
Discovery
Discovered by A. Borrelly
Discovery date 8 June 1887
Designations
MPC designation (268) Adorea
n/a
Main belt (Themis)
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 109.30 yr (39920 d)
Aphelion 3.51475 AU (525.799 Gm)
Perihelion 2.66832 AU (399.175 Gm)
3.09154 AU (462.488 Gm)
Eccentricity 0.13689
5.44 yr (1985.5 d)
16.93 km/s
302.257°
0° 10m 52.748s / day
Inclination 2.44010°
120.914°
69.5742°
Earth MOID 1.66931 AU (249.725 Gm)
Jupiter MOID 1.44407 AU (216.030 Gm)
Jupiter Tisserand parameter 3.209
Physical characteristics
Dimensions 139.89±5.2 km[1]
140.31 ± 3.34 km[2]
Mass (3.25 ± 2.26) × 1018 kg[2]
Mean density
 2.24 ± 1.56 g/cm3[2]
7.80 h (0.325 d)
0.0440±0.003
FC
8.28

    268 Adorea is a very large Themistian asteroid. It is classified as a primitive carbonaceous F-type/C-type asteroid.

    It was discovered by A. Borrelly on 8 June 1887 in Marseilles.

    References

    1. 1 2 "268 Adorea". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
    2. 1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, Bibcode:2012P&SS...73...98C, arXiv:1203.4336 Freely accessible, doi:10.1016/j.pss.2012.03.009. See Table 1.


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