239 Adrastea

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For the moon of Jupiter, see Adrastea (moon).
239 Adrastea
Discovery
Discovered by Johann Palisa
Discovery date August 18, 1884
Designations
Named after
Adrasteia
A915 TD, 1955 MK1,
1956 UJ
Minor planet category Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 547.578 Gm (3.66 AU)
Perihelion 343.97 Gm (2.299 AU)
445.774 Gm (2.98 AU)
Eccentricity 0.228
1878.771 d (5.14 a)
17.25 km/s
146.519°
Inclination 6.169°
180.904°
209.06°
Physical characteristics
Dimensions 41.5 km[1]
Mass unknown
Mean density
unknown
unknown
unknown
18.4707 hr[1]
Albedo 0.0777[1]
Temperature unknown
Spectral type
unknown
10.4[1]

239 Adrastea is a main belt asteroid. It was discovered by Johann Palisa on August 18, 1884 in Vienna. It is named after the Greek nymph Adrasteia. The asteroid is roughly 42 km in diameter.[1]

References[edit]

  1. ^ a b c d e "JPL Small-Body Database Browser: 239 Adrastea". Jet Propulsion Laboratory. 

External links[edit]