804 Hispania
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| Discovery A | |
|---|---|
| Discoverer | José Comas y Solá |
| Discovery date | March 20, 1915 |
| Alternate designations B |
1915 WT |
| Category | Main belt |
| Orbital elements C | |
|
|
|
| Eccentricity (e) | 0.141 |
| Semi-major axis (a) | 424.4 Gm (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 |
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.
[edit] External links
| Minor planets | ||
|---|---|---|
| Previous minor planet | 804 Hispania | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
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