379 Huenna
Huenna (minor planet designation: 379 Huenna) is a large asteroid orbiting in the asteroid belt. It is part of the Themis family, and thus a C-type asteroid and consequently composed mainly of carbonaceous material.
Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 8 January 1894 |
| Designations | |
MPC designation | (379) Huenna |
| Pronunciation | /hjuːˈɛnə/ |
Named after | Ven |
Alternative designations | 1894 AQ; A895 DB; A911 BA; 1948 XM |
Minor planet category | Main belt (Themis) |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 122.26 yr (44656 d) |
| Aphelion | 3.7186 AU (556.29 Gm) |
| Perihelion | 2.5540 AU (382.07 Gm) |
Semi-major axis | 3.1363 AU (469.18 Gm) |
| Eccentricity | 0.18567 |
Orbital period (sidereal) | 5.55 yr (2028.7 d) |
Mean anomaly | 126.109° |
Mean motion | 0° 10m 38.82s / day |
| Inclination | 1.6699° |
Longitude of ascending node | 172.036° |
| 179.961° | |
| Known satellites | 1 (5.8±1.2 km) |
| Physical characteristics | |
Mean diameter | 92.33±1.7 km (IRAS) 98±3 km |
| Mass | (3.83±0.19)×1017 kg |
Mean density | 0.9±0.1 g/cm3 1.2 g/cm3 |
Synodic rotation period | 14.141 h (0.5892 d) |
| 0.0587±0.002 | |
| C | |
| 8.87 | |
It was discovered by Auguste Charlois on 8 January 1894 in Nice. It is the Latin name for the Swedish island of Ven, the site of two observatories. This island is where Tycho Brahe built his observatory.
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