FACTOID # 178: There are more known reptile species in Australia than in all other listed countries combined.
 
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Encyclopedia > 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-colored, 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.

 This astronomy article is a stub. You can help Wikipedia by expanding it (http://en.wikipedia.org/w/index.php?title=189_Phthia&action=edit).




 
 

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