3391 Sinon

3391 Sinon

Infobox Planet | minorplanet = yes | width = 25em | bgcolour = #FFFFC0
name=3391 Sinon
discovery=yes
discovery_ref= [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html]
discoverer=Hiroki Kosai and Kiichiro Hurukawa
discovered=February 18, 1977
designations = yes
alt_names=1977 DD3
mp_category=Jupiter Trojan
orbit_ref= [ftp://ftp.lowell.edu/pub/elgb/astorb.html]
epoch=February 04, 2008 (JD 2454500.5)
semimajor=792.436 Gm (5.297 AU)
perihelion=726.892 Gm (4.859 AU)
aphelion=857.979 Gm (5.735 AU)
eccentricity=0.083
period=4453.039 d (12.19 a)
inclination=14.877°
asc_node=341.143°
arg_perihelion=102.137°
mean_anomaly=262.087°
avg_speed=12.92 km/s
physical_characteristics=yes
dimensions=? km
mass=?e|? kg
density=? g/cm³
surface_grav=? m/s²
escape_velocity=? km/s
sidereal_day=? d
axial_tilt=?° | pole_ecliptic_lat=? | pole_ecliptic_lon=?
spectral_type=?
abs_magnitude=10.3
albedo=0.10
single_temperature=~121 K

3391 Sinon is a Jupiter trojan asteroid that orbits in the L4 Lagrangian point of the Sun-Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek hero Sinon, who was a warrior during the Trojan War. It was discovered by Hiroki Kosai and Kiichiro Hurukawa at the Kiso Observatory in Japan on February 18, 1977.

External links

* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.txt Discovery Circumstances: Numbered Minor Planets]
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3391;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=3391 Ephemeris]


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