160 Una
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| Discovery A | |
|---|---|
| Discoverer | C. H. F. Peters |
| Discovery date | February 20, 1876 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.067 |
| Semi-major axis (a) | 408.058 Gm (2.728 AU) |
| Perihelion (q) | 380.561 Gm (2.544 AU) |
| Aphelion (Q) | 435.556 Gm (2.912 AU) |
| Orbital period (P) | 1645.485 d (4.51 a) |
| Mean orbital speed | 18.01 km/s |
| Inclination (i) | 3.824° |
| Longitude of the ascending node (Ω) |
8.856° |
| Argument of perihelion (ω) |
49.974° |
| Mean anomaly (M) | 308.565° |
| Physical characteristics D | |
| Dimensions | 81.2 km |
| Mass | 5.6×1017 kg |
| Density | 2.0? g/cm³ |
| Surface gravity | 0.0227 m/s² |
| Escape velocity | 0.0429 km/s |
| Rotation period | 0.234 d (5.61 h) 1 |
| Spectral class | C 2 |
| Absolute magnitude | 9.08 |
| Albedo (geometric) | 0.063 3 |
| Mean surface temperature |
~170 K |
160 Una is a fairly large and dark, primitive Main belt asteroid.
It was discovered by C. H. F. Peters on February 20, 1876 in Clinton, New York. It is named after a character in Edmund Spenser's epic poem The Faerie Queene (1590).
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This article about a C-type asteroid native to the Main Belt is a stub. You can help Wikipedia by expanding it. |
| Minor planets | ||
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| Previous minor planet | 160 Una | Next minor planet |
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| 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. |
