189 Phthia

189 Phthia
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Orbit type Main belt
Semimajor axis 2.450 AU
Perihelion distance 2.360 AU
Aphelion distance 2.541 AU
Orbital period 3.84 years
Inclination 5.18°
Eccentricity 0.037
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Diameter 37.7 km
Rotation period 15 hours
Spectral class S
Abs. magnitude 9.33
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) 0.231
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
Discoverer C. H. F. Peters, 1878

189 Phthia is a bright-coloured, rocky main belt asteroid.

It was discovered by C. H. F. Peters on September 9, 1878 and named after Phthia, a region of Ancient Greece.


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The minor planets
Vulcanoids | Main belt | Groups and families | Near-Earth objects | Jupiter Trojans
Centaurs | Trans-Neptunians | Damocloids | Comets | Kuiper belt | Oort cloud
(For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system)
(For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.)
de:Phthia (Asteroid)

es:(189) Phthia

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