409 Aspasia

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409 Aspasia
409Aspasia (Lightcurve Inversion).png
A three-dimensional model of 409 Aspasia based on its light curve
Discovery
Discovered by Auguste Charlois
Discovery date9 December 1895
Designations
(409) Aspasia
Pronunciation /æˈspʒ(i)ə/ [1]
Named after
Aspasia
1895 CE
Main belt
Adjectives Aspasian
Orbital characteristics [2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 120.33 yr (43952 d)
Aphelion 2.7640  AU (413.49  Gm)
Perihelion 2.3865 AU (357.02 Gm)
2.5752 AU (385.24 Gm)
Eccentricity 0.073284
4.13 yr (1509.5 d)
260.362°
0° 14m 18.564s / day
Inclination 11.262°
242.19°
353.72°
Physical characteristics
Dimensions161.61±6.8  km [2]
176.33 ± 4.50 km [3]
Mass (1.18 ± 0.23) × 1019 kg [3]
Mean density
4.10 ± 0.84 g/cm3 [3]
9.022  h (0.3759  d) [2]
9.021 h [4]
0.0606±0.005
7.62

    Aspasia (minor planet designation: 409 Aspasia) is a large main-belt asteroid that was discovered by French astronomer Auguste Charlois on 9 December 1895 in Nice. It is classified as a CX-type asteroid. [5]

    Photometric observations of this asteroid at the Palmer Divide Observatory in Colorado Springs, Colorado, during 2007–8 gave a light curve with a period of 9.021455 ± 0.000009 hours. [4] This is consistent with previous results. [5]

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    References

    1. "Aspasia". Merriam-Webster.com Dictionary .
    2. 1 2 3 Yeomans, Donald K., "409 Aspasia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, archived from the original on 20 January 2016, retrieved 10 May 2016.
    3. 1 2 3 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. 1 2 Warner, Brian D.; et al. (October 2008), "Shape and Spin Models for Four Asteroids", The Minor Planet Bulletin, 35 (4): 167–171, Bibcode:2008MPBu...35..167W.
    5. 1 2 Piironen, J.; et al. (March 1998), "Physical studies of asteroids. XXXII. Rotation periods and UBVRI-colours for selected asteroids", Astronomy and Astrophysics Supplement, 128 (3): 525–540, Bibcode:1998A&AS..128..525P, doi: 10.1051/aas:1998393 .