2148 Epeios

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2148 Epeios
Discovery[1] and designation
Discovered by Richard Martin West
Discovery date October 24, 1976
Designations
Alternative names[1] 1976 UW
Minor planet
category
Jupiter Trojan
Epoch February 04, 2008 (JD 2454500.5)
Aphelion 823.679 Gm (5.506 AU)
Perihelion 733.664 Gm (4.904 AU)
Semi-major axis 778.671 Gm (5.205 AU)
Eccentricity 0.058
Orbital period 4337.522 d (11.88 a)
Average orbital speed 13.04 km/s
Mean anomaly 297.210°
Inclination 9.154°
Longitude of ascending node 176.593°
Dimensions ? km
Mass ?×10? kg
Mean density ? g/cm³
Equatorial surface gravity ? m/s²
Equatorial escape velocity ? km/s
Sidereal rotation
period
? d
Axial tilt
Pole ecliptic latitude ?
Pole ecliptic longitude ?
Geometric albedo 0.10
Temperature ~122 K
Spectral type ?
Absolute magnitude 11.1

2148 Epeios 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 Epeius, who was a soldier during the Trojan War. It was discovered by Richard Martin West on October 24, 1976 at the La Silla Observatory in Chile. 2146 Stentor was also discovered the same day by West.

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