399 Persephone

399 Persephone

A three-dimensional model of 399 Persephone based on its light curve.
Discovery
Discovered by	Max Wolf
Discovery date	February 23, 1895
Designations
Named after	Persephone
Alternative names	1895 BP
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	488.18 Gm (3.263 AU)
Perihelion	426.404 Gm (2.85 AU)
Semi-major axis	457.292 Gm (3.057 AU)
Eccentricity	0.068
Orbital period	1952.055 d (5.34 a)
Average orbital speed	17.04 km/s
Mean anomaly	204.409°
Inclination	13.082°
Longitude of ascending node	346.609°
Argument of perihelion	189.387°
Physical characteristics
Dimensions	49.1 km
Mass	~1.2×10^17 kg
Mean density	2.0? g/cm³
Surface gravity	~0.0137 m/s²
Escape velocity	~0.0260 km/s
Albedo	0.10?
Temperature	~159 K
Absolute magnitude (H)	8.91[2]

399 Persephone is a main belt asteroid. It was discovered by German astronomer Max Wolf on February 23, 1895 in Heidelberg.^[3]

References

1. Yeomans, Donald K., "399 Persephone", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-25.
2. Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
3. Schmadel, Lutz D. (2003). Dictionary of minor planet names. Springer. p. 48. ISBN 978-3-540-00238-3.

External links

• 399 Persephone at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters