804 Hispania

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**804 Hispania**
Discovery ^A

Discoverer	José Comas y Solá
Discovery date	March 20, 1915
Alternate designations ^B	1915 WT
Category	Main belt
Orbital elements ^C
Epoch 18 August 2005 (JD 2453600.5)
Eccentricity (e)	0.141
Semi-major axis (a)	424.4 G m (2.837 AU)
Perihelion (q)	364.6 Gm (2.437 AU)
Aphelion (Q)	484.2 Gm (3.237 AU)
Orbital period (P)	1745 d (4.778 a)
Mean orbital speed	17.60 km/s
Inclination (i)	15.380°
Longitude of the ascending node (Ω)	347.889°
Argument of perihelion (ω)	342.525°
Mean anomaly (M)	175.732°
Physical characteristics ^D
Dimensions	157.30km
Mass	9.95×10¹⁸
Density	4.90g/cm³
Surface gravity	~0.107m/s²
Escape velocity	~129.9m/s
Rotation period	7.405hr [1]
Spectral class	P
Absolute magnitude	7.84
Albedo (geometric)	0.0522
Mean surface temperature	~167.4K
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804 Hispania is a minor planet orbiting the Sun. It was discovered from Barcelona (Spain) on 20 March 1915 by José Comas y Solá (1868-1937), the first asteroid to be discovered by a Spaniard.

Discovery Circumstances: Numbered Minor Planets

Minor planets
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Small Solar System bodies

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For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
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