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70 Panopaea
From Wikipedia, the free encyclopedia
| Discovery A | |
|---|---|
| Discoverer | H. Goldschmidt |
| Discovery date | May 5, 1861 |
| Alternate designations B |
|
| Category | Main belt (Eunomia family) |
| Orbital elements C | |
|
|
|
| Eccentricity (e) | 0.181 |
| Semi-major axis (a) | 391.394 Gm (2.616 AU) |
| Perihelion (q) | 320.456 Gm (2.142 AU) |
| Aphelion (Q) | 462.332 Gm (3.090 AU) |
| Orbital period (P) | 1545.723 d (4.23 a) |
| Mean orbital speed | 18.26 km/s |
| Inclination (i) | 11.585° |
| Longitude of the ascending node (Ω) |
47.805° |
| Argument of perihelion (ω) |
255.879° |
| Mean anomaly (M) | 101.278° |
| Physical characteristics D | |
| Dimensions | 122.2 km |
| Mass | 1.9×1018 kg |
| Density | ? g/cm³ |
| Surface gravity | 0.0342 m/s² |
| Escape velocity | 0.0646 km/s |
| Rotation period | ? d |
| Spectral class | C |
| Absolute magnitude | 8.11 |
| Albedo (geometric) | 0.068 [1] |
| Mean surface temperature |
~172 K |
70 Panopaea is a large main belt asteroid. It orbits close to the Eunomia asteroid family. However, it is a dark, primitive carbonaceous C-type asteroid and not related to the parent body of the Eunomia family which consists of S-type asteroids. Panopaea was discovered by H. Goldschmidt on May 5, 1861. It was his fourteenth and last asteroid discovery. It is named after Panopea, a nymph in Greek mythology.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 70 Panopaea | 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.