213 Lilaea

213 Lilaea

Discovery
Discovered by	C. H. F. Peters
Discovery date	February 16, 1880
Designations
Named after	Lilaea
Alternative names	1950 TE3
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	471.282 Gm (3.15 AU)
Perihelion	352.544 Gm (2.357 AU)
Semi-major axis	411.913 Gm (2.753 AU)
Eccentricity	0.144
Orbital period	1668.824 d (4.57 a)
Average orbital speed	17.95 km/s
Mean anomaly	12.221°
Inclination	6.805°
Longitude of ascending node	122.192°
Argument of perihelion	163.26°
Physical characteristics
Dimensions	83.0 km
Rotation period	8.045[2] h
Albedo	0.090
Spectral type	F[2]
Absolute magnitude (H)	8.64

213 Lilaea is a large main belt asteroid. It was discovered by German-American astronomer C. H. F. Peters on February 16, 1880 in Clinton, New York and was named after Lilaea, a Naiad in Greek mythology.

Photometric observations of this asteroid in 1986 gave a light curve with a period of 8.045 ± 0.008 hours and a brightness variation of 0.20 ± 0.01 in magnitude. The curve is asymmetrical with two distinct minima. This object has a spectrum that matches an F-type asteroid classification.^[2] As with C-type asteroids, its composition is primitive and rich in carbon.

References

1. Yeomans, Donald K., "213 Lilaea", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-25.
2. di Martino, M.; et al. (July 1995), "Intermediate size asteroids: Photoelectric photometry of 8 objects.", Astronomy and Astrophysics Supplement 112, pp. 1–7, Bibcode:1995A&AS..112....1D.

External links

• The Asteroid Orbital Elements Database
• Minor Planet Discovery Circumstances
• Asteroid Lightcurve Data File
• 213 Lilaea at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters