58534 Logos

Infobox Planet
bgcolour=#FFFFC0
name=58534 Logos
discovery=yes
discoverer=C. A. Trujillo, J. Chen, D. C. Jewitt, J. X. Luu
discovered=February 4, 1997
mp_name=58534 Logos
alt_names=mp|1997 CQ|29
mp_category=Cubewanocite web
author=Marc W. Buie
date=2003/05/31
title=Orbit Fit and Astrometric record for 58534
publisher=SwRI (Space Science Department)
url=http://www.boulder.swri.edu/~buie/kbo/astrom/58534.html
accessdate=2008-09-28]
epoch=June 14, 2006 (JD 2453900.5)
semimajor=6790.168 Gm (45.389 AU)
perihelion=5975.722 Gm (39.945 AU)
aphelion=7604.615 Gm (50.834 AU)
eccentricity=0.120
period=111694.329 d (305.80 a)
inclination=2.898°
asc_node=132.564°
arg_peri=338.778°
mean_anomaly=45.885°
avg_speed=4.41 km/s
physical_characteristics=yes
dimensions=77 ± 18 kmcite journal
author=Grundy, W. M
coauthors=Noll, K. S.; Stephens, D. C.
title=Diverse albedos of small trans-neptunian objects
journal=Icarus
volume=176 |issue=1 |pages=184–191 |year=2005
doi=10.1016/j.icarus.2005.01.007
accessdate=2006-10-22 ( [http://arxiv.org/abs/astro-ph/0502229 Preprint on arXiv.] )]
mass=2.7e|17 kg
density=1.0 g/cm³
surface_grav=0.0112 m/s²
escape_velocity=0.0299 km/s
sidereal_day=? d
spectral_type=?
abs_magnitude=6.6
albedo=0.39 ± 0.17
single_temperature=~37 K

58534 Logos (pronEng|ˈloʊɡɒs respell|LOH|goss or IPAlink-en|ˈlɒɡɒs respell|LOG|oss, or as in _gr. "λόγος"), formerly known as mp|(58534) 1997 CQ|29, is a Kuiper belt object, more specifically a cubewano. The object is notable for having a satellite, named Zoe.

For a small (80km in diameter) KBO it has a very high albedo.

In the Gnostic tradition, Logos and Zoe are a paired emanation of the deity, and part of its creation myth.MPCit_MPES|58534

Zoe

Logos' companion was discovered on 17 November, 2001 from Hubble Space Telescope observations by K. S. Noll, D. C. Stephens, W. M. Grundy, J. Spencer, R. L. Millis, M. W. Buie, D. Cruikshank, S. C. Tegler, and W. Romanishin and announced on 11 February, 2002.

After the discovery, it received the provisional designation S/2001 (58534) 1. Once confirmed it was officially named (58534) Logos I Zoe (pronEng|ˈzoʊiː, from _gr. "Ζωή"). It orbits Logos with a semi-major axis of 8010 ± 80 km in 312 ± 3 d with an eccentricity of 0.45 ± 0.03. Its estimated diameter is 66 km, and mass (0.15 ± 0.02)e|18 kg.

Orbit

External links and references

* [http://www.johnstonsarchive.net/astro/astmoons/am-58534.html Johnston Archive entry on (58534) Logos]
* [http://cfa-www.harvard.edu/iauc/07800/07824.html IAUC 7824]
* [http://cfa-www.harvard.edu/iauc/07900/07959.html IAUC 7959]