Astronomy:344 Desiderata

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Short description: Main-belt asteroid
344 Desiderata
Орбита астероида 344.png
Orbital diagram
Discovery
Discovered byAuguste Charlois
Discovery date15 November 1892
Designations
(344) Desiderata
Pronunciation/dɪˌsɪdəˈrtə/[1]
Named afterDésirée Clary
1892 M
Minor planet categoryMain belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc123.40 yr (45073 d)
|{{{apsis}}}|helion}}3.41189 astronomical unit|AU (510.411 Gm)
|{{{apsis}}}|helion}}1.78384 AU (266.859 Gm)
2.59786 AU (388.634 Gm)
Eccentricity0.31334
Orbital period4.19 yr (1529.4 d)
Mean anomaly301.200°
Mean motion0° 14m 7.39s / day
Inclination18.3442°
Longitude of ascending node48.0488°
237.424°
Physical characteristics
Dimensions132.27±5.5 km[2]
129.20 ± 3.37 km[3]
Mass(1.39± 0.48) × 1018 kg[3]
Mean density1.22 ± 0.43 g/cm3[3]
Rotation period10.747 h (0.4478 d)
Geometric albedo0.0592±0.005
C?
Absolute magnitude (H)8.08


Desiderata (minor planet designation: 344 Desiderata) is a very large main-belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.[citation needed]

It was discovered by Auguste Charlois on 15 November 1892, in Nice.[citation needed]

References

  1. desideratum (3rd ed.), Oxford University Press, September 2005, http://oed.com/search?searchType=dictionary&q=desideratum  (Subscription or UK public library membership required.)
  2. 2.0 2.1 "344 Desiderata (1892 M)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=344;cad=1. 
  3. 3.0 3.1 3.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: pp. 98–118, doi:10.1016/j.pss.2012.03.009, Bibcode2012P&SS...73...98C.  See Table 1.

External links