38 Leda
Appearance
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 | |
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.
References
[change | change source]- ↑ Noah Webster (1884) A Practical Dictionary of the English Language
- ↑ 2.0 2.1 2.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- ↑ 3.0 3.1 3.2 "38 Leda". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 38. Retrieved 2008-06-15.