804 Hispania
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | J. Comas Solá |
| Discovery date | March 20, 1915 |
| Designations | |
|
Named after
|
Spain |
| 1915 WT | |
| Main belt | |
| Orbital characteristics | |
| Epoch 18 August 2005 (JD 2453600.5) | |
| Aphelion | 484.2 Gm (3.237 AU) |
| Perihelion | 364.6 Gm (2.437 AU) |
| 424.4 Gm (2.837 AU) | |
| Eccentricity | 0.141 |
| 1745 d (4.778 a) | |
|
Average orbital speed
|
17.60 km/s |
| 175.732° | |
| Inclination | 15.380° |
| 347.889° | |
| 342.525° | |
| Physical characteristics | |
| Dimensions | 148.25 ± 4.08[1] km |
| Mass | (5.00 ± 1.78) × 1018[1] kg |
|
Mean density
|
2.93 ± 1.06[1] g/cm3 |
| ~0.107m/s2 | |
| ~129.9m/s | |
| 7.405hr [1] | |
| Albedo | 0.0522 |
| Temperature | ~167.4K |
|
Spectral type
|
P |
| 7.84 | |
804 Hispania is a minor planet orbiting the Sun. It was discovered from Barcelona (Spain) on 20 March 1915 by Josep Comas Solá (1868–1937), the first asteroid to be discovered by a Spaniard.
This is a C-type carbonaceous asteroid. Measurements made with adaptive optics at the W. M. Keck Observatory put the size of this object at 122 km. This is 30% smaller than the size estimated from the IRAS observatory data. It has a size ratio of 1.16 between its major and minor axes.[2]
References
External links
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