Girish Mahajan (Editor)

100 Hekate

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Discovered by  J. C. Watson
Alternative names  1955 QA
Observation arc  144.93 yr (52936 d)
Asteroid group  Asteroid belt
Spectral type  S-type asteroid
Named after  Hecate
Discovery date  11 July 1868
Minor planet category  Main belt
Discovered  11 July 1868
Orbits  Sun
Discoverer  James Craig Watson
Aphelion  3.61005 AU (540.056 Gm)
Similar  34 Circe, 128 Nemesis, 61 Danaë, 80 Sappho, 76 Freia

100 Hekate (/ˈhɛkət/ HEK-ə-tee) is a large main-belt asteroid. It orbits in the same region of space as the Hygiea asteroid family, though it is actually an unrelated interloper. Its albedo of 0.19 is too high, and it is of the wrong spectral class to be part of the dark carbonaceous Hygiea family. It is listed as a member of the Hecuba group of asteroids that orbit near the 2:1 mean-motion resonance with Jupiter.

Hekate was the 100th asteroid to be discovered, by J. C. Watson (his fourth discovery) on July 11, 1868. It is named after Hecate, the goddess of witchcraft in Greek mythology, but its name also commemorates it as the hundredth asteroid, as hekaton is Greek for 'hundred'.

A Hekatean occultation of a star was observed on July 14, 2003, from New Zealand.

References

100 Hekate Wikipedia


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