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38 Leda
main-belt asteroid / From Wikipedia, the free encyclopedia
Leda (minor planet designation: 38 Leda) is a main-belt asteroid. It was discovered by Jean Chacornac on January 12, 1856. He named the asteroid after Leda, the mother of Helen of Troy.
Quick Facts Discovery, Discovered by ...
![]() A three-dimensional model of 38 Leda based on its light curve | |
Discovery | |
---|---|
Discovered by | J. Chacornac |
Discovery date | January 12, 1856 |
Designations | |
MPC designation | (38) Leda |
Pronunciation | /ˈliːdə/[1] |
Named after | Leda |
A904 SF; 1949 QO2 | |
Main belt | |
Adjectives | Ledean /lɪˈdiːən/ (Latin Lēdæ-us) |
Orbital characteristics | |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 472.587 Gm (3.159 AU) |
Perihelion | 348.232 Gm (2.328 AU) |
410.409 Gm (2.743 AU) | |
Eccentricity | 0.152 |
1659.725 d (4.54 a) | |
Average orbital speed | 17.88 km/s |
107.567° | |
Inclination | 6.955° |
295.890° | |
168.804° | |
Physical characteristics | |
Dimensions | 115.41 ± 1.33 km[2] |
Mass | (5.71 ± 5.47) × 1018 kg[2] |
Mean density | 7.09 ± 6.79 g/cm3[2] |
0.0324 m/s² | |
0.0613 km/s | |
0.5350 d (12.84 h) [3] | |
Albedo | 0.0618 [3] |
Temperature | ~170 K |
Spectral type | C[3] |
8.32 | |
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