400 Ducrosa

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400 Ducrosa
000400-asteroid shape model (400) Ducrosa.png
Modelled shape of Ducrosa from its lightcurve
Discovery
Discovered by Auguste Charlois
Discovery date15 March 1895
Designations
(400) Ducrosa
Named after
J. Ducros
1895 BU
Main belt
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 121.08 yr (44225 d)
Aphelion 3.49063  AU (522.191  Gm)
Perihelion 2.76117 AU (413.065 Gm)
3.12590 AU (467.628 Gm)
Eccentricity 0.11668
5.53 yr (2018.6 d)
Average orbital speed
16.84 km/s
294.184°
0° 10m 42.013s / day
Inclination 10.5354°
327.145°
238.468°
Earth  MOID 1.7762 AU (265.72 Gm)
Jupiter  MOID 1.59886 AU (239.186 Gm)
TJupiter 3.178
Physical characteristics
Dimensions33.66±1.6  km
6.87  h (0.286  d) [1]
6.87 ± 0.01 hours [2]
0.1423±0.014
10.5

    Ducrosa (minor planet designation: 400 Ducrosa) is a typical Main belt asteroid. It was discovered by Auguste Charlois on 15 March 1895 in Nice.

    A three-dimensional model of 400 Ducrosa based on its light curve 400Ducrosa (Lightcurve Inversion).png
    A three-dimensional model of 400 Ducrosa based on its light curve

    Photometric measurements of the asteroid made in 2005 at the Palmer Divide Observatory showed a light curve with a period of 6.87 ± 0.01 hours and a brightness variation of 0.62 ± 0.02 in magnitude. [2]

    It is named for J. Ducros, a mechanic at the Nice Observatory. [3]

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    References

    1. 1 2 "400 Ducrosa (1895 BU)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 10 May 2016.
    2. 1 2 Warner, Brian D. (2005), "Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005", The Minor Planet Bulletin, vol. 32, no. 3, pp. 54–58, Bibcode:2005MPBu...32...54W.
    3. Schmadel, L. D. (2013:73). Dictionary of Minor Planet Names. Germany: Springer Berlin Heidelberg.