3564 Talthybius

Infobox Planet | minorplanet = yes | width = 25em | bgcolour = #FFFFC0
name=3564 Talthybius
discovery=yes
discovery_ref= [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html]
discoverer=Edward L. G. Bowell
discovered=October 15, 1985
designations = yes
alt_names=1985 TC1
mp_category=Jupiter Trojan
orbit_ref= [ftp://ftp.lowell.edu/pub/elgb/astorb.html]
epoch=February 04, 2008 (JD 2454500.5)
semimajor=781.975 Gm (5.227 AU)
perihelion=751.491 Gm (5.023 AU)
aphelion=812.459 Gm (5.431 AU)
eccentricity=0.039
period=4365.154 d (11.95 a)
inclination=15.492°
asc_node=23.871°
arg_perihelion=201.173°
mean_anomaly=107.078°
avg_speed=13.02 km/s
physical_characteristics=yes
dimensions=68.9 km
mass=3.4e|17 kg
density=2.0 g/cm³
surface_grav=0.0193 m/s²
escape_velocity=0.0364 km/s
sidereal_day=? d
axial_tilt=?° | pole_ecliptic_lat=? | pole_ecliptic_lon=?
spectral_type=?
abs_magnitude=9.0
albedo=0.10
single_temperature=~122 K

3564 Talthybius 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 Talthybius, who was a herald during the Trojan War. It was discovered by Edward L. G. Bowell on October 15, 1985 in Flagstaff, Arizona at the Anderson Mesa station of the Lowell Observatory.

External links

* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.txt Discovery Circumstances: Numbered Minor Planets]
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3564;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=3564 Ephemeris]