- 2148 Epeios
Infobox Planet | minorplanet = yes | width = 25em | bgcolour = #FFFFC0
name=2148 Epeios
discovery=yes
discovery_ref= [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html]
discoverer=Richard Martin West
discovered=October 24 ,1976
designations = yes
alt_names=1976 UW
mp_category=Jupiter Trojan
orbit_ref= [ftp://ftp.lowell.edu/pub/elgb/astorb.html]
epoch=February 04 ,2008 (JD 2454500.5)
semimajor=778.671 Gm (5.205 AU)
perihelion=733.664 Gm (4.904 AU)
aphelion=823.679 Gm (5.506 AU)
eccentricity=0.058
period=4337.522 d (11.88 a)
inclination=9.154°
asc_node=176.593°
arg_perihelion=230.778°
mean_anomaly=297.210°
avg_speed=13.04 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=11.1
albedo=0.10
single_temperature=~122 K2148 Epeios is a
Jupiter trojan asteroid that orbits in the L4Lagrangian point of theSun -Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek heroEpeius , who was a soldier during theTrojan War . It was discovered byRichard Martin West onOctober 24 ,1976 at theLa Silla Observatory inChile .2146 Stentor was also discovered the same day by West.External links
* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.txt Discovery Circumstances: Numbered Minor Planets]
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2148;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2148 Ephemeris]
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