10 Hygiea
asteroid / From Wikipedia, the free encyclopedia
10 Hygiea is the fowert lairgest asteroid in the Solar Seestem bi volume an mass, an it is locatit in the asteroid belt.
Quick Facts Discovery, Discovered bi ...
Animated orbit o Hygiea relative tae the orbits o the terrestrial planets an Jupiter. | |
Discovery | |
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Discovered bi | A. de Gasparis |
Discovery date | Aprile 12, 1849 |
Designations | |
Pronunciation | /haɪˈdʒiːə/ hy-JEE-ə |
Named after | Hygieia |
Alternative names | none |
Minor planet category | Main belt (Hygiea family) |
Adjectives | Hygiean |
Orbital chairactereestics[1] | |
Epoch November 30, 2008 (JD 2454800.5) | |
Aphelion | 3.507 AU (524.63 Gm) (Q) |
Perihelion | 2.770 AU (414.38 Gm) (q) |
3.139 AU (469.58 Gm) | |
Eccentricity | 0.117 |
Orbital period | 5.56 yr (2031.01 d) |
Average orbital speed | 16.76 km/s |
Mean anomaly | 197.96° (M) |
Inclination | 3.842° |
Longitude o ascendin node | 283.45° |
Argument o perihelion | 313.19° |
Proper orbital elements[2] | |
Proper semi-major axis | 3.1417827 AU |
Proper eccentricity | 0.1356315 |
Proper inclination | 5.1039060° |
Proper mean motion | 64.621768 deg / yr |
Proper orbital period | 5.57088 yr (2034.763 d) |
Precession o perihelion | 128.543611 arcsec / yr |
Precession of the ascending node | −96.902395 arcsec / yr |
Pheesical chairacteristics | |
Dimensions | 530×407×370 ±7 km[3] 431 km (mean) |
Surface area | 837,080.744 km2 (323,198.682 sq mi) |
Mass | (8.67 ±0.15)×1019 kg[3] |
Mean density | 2.08 ± 0.10 g/cm³[3] |
Surface gravity | 0.091 m/s² |
Escape velocity | 0.21 km/s |
27.623 h (1.15 d)[1] | |
Albedo | 0.0717 (geometric)[1] |
Temperatur | ≈164 K max: 247 K (−26°C) [4] |
Spectral teep | C-type asteroid[1] |
Apparent magnitude | 9.0[5] to 11.97 |
5.43[1] | |
Angular diameter | 0.321″ tae 0.133″ |
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