210 Isabella

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210 Isabella
000210-asteroid shape model (210) Isabella.png
3D convex shape model of 210 Isabella
Discovery
Discovered by Johann Palisa
Discovery date12 November 1879
Designations
(210) Isabella
Pronunciation /ɪzəˈbɛlə/ [1]
A879 VA, 1953 EZ1
1962 BF
Main belt (Nemesis)
Orbital characteristics [2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 131.26 yr (47943 d)
Aphelion 3.0567  AU (457.28  Gm)
Perihelion 2.3892 AU (357.42 Gm)
2.7230 AU (407.36 Gm)
Eccentricity 0.12257
4.49 yr (1641.2 d)
Average orbital speed
18.05 km/s
153.338°
0° 13m 9.66s / day
Inclination 5.2600°
32.582°
15.041°
Physical characteristics
Dimensions86.65±2.3  km [2]
73.70 ± 8.47 km [3]
Mass (3.41 ± 1.09) × 1018 kg [3]
6.672  h (0.2780  d)
0.0436±0.002
C F
12.2 (peak)
9.33

    Isabella (minor planet designation: 210 Isabella) is a large and dark asteroid from the central asteroid belt, approximately 80 kilometers in diameter. It was discovered in Pola by Johann Palisa on 12 November 1879. The origin of the name is unknown. The asteroid is probably composed of material similar to carbonaceous chondrites. It is classified as a member of the Nemesis family of asteroids. [4]

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    References

    1. "Isabella" . Oxford English Dictionary (Online ed.). Oxford University Press.(Subscription or participating institution membership required.)
    2. 1 2 "210 Isabella". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 12 May 2016.
    3. 1 2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv: 1203.4336 , Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
    4. De León, J.; Pinilla-Alonso, N.; Campins, H.; Licandro, J.; Marzo, G.A. (2012). "Near-infrared spectroscopic survey of B-type asteroids: Compositional analysis". Icarus . 218 (1): 196–206. Bibcode:2012Icar..218..196D. doi:10.1016/j.icarus.2011.11.024.