38 Leda

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38 Leda
Discovery
Discovered by J. Chacornac
Discovery date January 12, 1856
Designations
Alternative names A904 SF; 1949 QO2
Minor planet
category		 Main belt
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 472.587 Gm (3.159 AU)
Perihelion 348.232 Gm (2.328 AU)
Semi-major axis 410.409 Gm (2.743 AU)
Eccentricity 0.152
Orbital period 1659.725 d (4.54 a)
Average orbital speed 17.88 km/s
Mean anomaly 107.567°
Inclination 6.955°
Longitude of ascending node 295.890°
Argument of perihelion 168.804°
Physical characteristics
Dimensions 115.9 km
Mass 1.6×1018 kg
Mean density 2.0 g/cm³
Equatorial surface gravity 0.0324 m/s²
Escape velocity 0.0613 km/s
Rotation period 0.5350 d (12.84 h) [1]
Albedo 0.062 [2]
Temperature ~170 K
Spectral type C
Absolute magnitude 8.32

38 Leda (IPA: /ˈliːdə/) is a large, dark main belt asteroid.

It was discovered by J. Chacornac on January 12, 1856 and named after Leda, the mother of Helen of Troy in Greek mythology.

Leda is also the name of a satellite of Jupiter.

[edit] References

  1. ^ [1][dead link]
  2. ^ [2][dead link]
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