Discovery | |
---|---|
Discovered by | Paul Henry and Prosper Henry |
Discovery date | 5 November 1872 |
Designations | |
MPC designation | (126) Velleda |
Pronunciation | /ˈvɛlɪdə/ |
Named after | Veleda |
Alternative designations | A872 VA; 1949 YF; 1950 BD1 |
Minor planet category | Main belt |
Orbital characteristics | |
Epoch 31 December 2006 (JD 2454100.5) | |
Aphelion | 403.523 Gm (2.697 AU) |
Perihelion | 326.153 Gm (2.180 AU) |
Semi-major axis | 364.816 Gm (2.439 AU) |
Eccentricity | 0.1060806 |
Orbital period (sidereal) | 1,391.107 days (3.81 yr) |
Mean anomaly | 117.027° |
Inclination | 2.92451° |
Longitude of ascending node | 23.47325° |
Argument of perihelion | 327.94065° |
Physical characteristics | |
Mean diameter | 44.79±1.33 km |
Mass | (0.47±5.79)×10 kg |
Equatorial surface gravity | 0.0125 m/s |
Equatorial escape velocity | 0.0237 km/s |
Synodic rotation period | 5.364±0.003 h |
Geometric albedo | 0.1723 |
Spectral type | S |
Absolute magnitude (H) | 9.27 |
126 Velleda is a main-belt asteroid. It is probably a rather typical, albeit sizable, S-type asteroid. Named for Veleda, a priestess and prophet of the Germanic tribe of the Bructeri. It was discovered by Paul Henry on 5 November 1872, in Paris, France. It was his first credited discovery. He and his brother Prosper Henry discovered a total of 14 asteroids.
This body is orbiting the Sun with a period of 3.81 years and an eccentricity (ovalness) of 0.11. The orbital plane is inclined by 2.9° to the plane of the ecliptic. It has a cross-section diameter of ~45 km. This asteroid rotates once every 5.36 hours. During each rotation the brightness varies by 0.22 magnitudes.
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- ^ "126 Velleda". JPL Small-Body Database Browser. NASA JPL. 29 August 2003. Retrieved 12 March 2007.
- ^ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- ^ Dovgopol, A. N.; Kruglyi, Iu. N.; Shevchenko, V. G. (1992). "Asteroid 126 Velleda – Rotation period and magnitude-phase curve". Acta Astronomica. 42 (1): 67–72. Bibcode:1992AcA....42...67D.
External links
- 126 Velleda at AstDyS-2, Asteroids—Dynamic Site
- 126 Velleda at the JPL Small-Body Database
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