41 Daphne
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Discovery | |
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Discovered by: | Hermann Mayer Salomon Goldschmidt |
Discovery date: | May 22, 1856 |
Orbital characteristics | |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 526.144 Gm (3.517 AU) |
Perihelion: | 301.220 Gm (2.014 AU) |
Semi-major axis: | 413.682 Gm (2.765 AU) |
Eccentricity: | 0.272 |
Orbital period: | 1679.618 d (4.60 a) |
Avg. orbital speed: | 17.58 km/s |
Mean anomaly: | 247.500° |
Inclination: | 15.765° |
Longitude of ascending node: | 178.159° |
Argument of perihelion: | 46.239° |
Physical characteristics | |
Dimensions: | 174.0 km |
Mass: | 5.5×1018 kg |
Mean density: | ? g/cm³ |
Equatorial surface gravity: | 0.0486 m/s² |
Escape velocity: | 0.0920 km/s |
Rotation period: | ? d |
Albedo: | 0.083 [1] |
Temperature: | ~167 K |
Spectral type: | C |
Absolute magnitude: | 7.12 |
41 Daphne is a big Main belt asteroid. This dark-surfaced body is probably made of primitive carbonaceous chondrites. It was found by H. Goldschmidt on May 22, 1856 and named after Daphne, the nymph in Greek mythology who was turned into a laurel tree. Daphne has been seen to occult stars three times (all in 1990s). Daphnes lightcurves suggest that the asteroid is non-spherical.
[change] References
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40 Harmonia | 41 Daphne | 42 Isis
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Near-Earth asteroids · Main belt · Jupiter Trojans · Neptune Trojans · Comets · Kuiper belt · Oort cloud |