From Wikipedia, the free encyclopedia 217 Eudora
217 Eudora
217 Eudora Equatorial surface gravity unknown
Discovery
Escape velocity unknown
Discovered by J. Coggia
Rotation period 25.253 ± 0.003 hr[1]
Discovery date August 30, 1880
Albedo 0.048
Designations
Temperature unknown
Alternate name(s) A914 RA
Spectral type C
Minor planet Main belt
category Absolute magnitude (H) 9.8
Orbital characteristics
217 Eudora is a large Main belt asteroid. It probably has a
Epoch 30 January 2005 (JD 2453400.5)
composition similar to carbonaceous chondrites. In 2007,
Aphelion 561.361 Gm (3.752 AU) a study showed it rotates every 25.253 ± 0.003 hours,
based on lightcurve data.[1]
Perihelion 298.821 Gm (1.997 AU)
It was discovered by J. Coggia on August 30, 1880 in
Semi-major axis 430.091 Gm (2.875 AU) Marseilles, France. It was his fourth asteroid discovery
Eccentricity 0.305 and is named after Eudora, a Hyad in Greek mythology.
Orbital period 1780.504 d (4.87 a)
References
Average orbital speed 17.57 km/s
• The Asteroid Orbital Elements Database
Mean anomaly 220.993° • Minor Planet Discovery Circumstances
Inclination 10.474° • Asteroid Lightcurve Data File
[1] ^ Buchheim, Robert K. - Lightcurves for 122 Gerda,
Longitude of ascending node 163.151°
217 Eudora, 631 Phillipina, 670 Ottegebe, and 972
Argument of perihelion 154.303° Cohnia (2007)
Proper orbital elements
Physical characteristics
See also
• List of minor planets: 1–1000
Dimensions 66.0 km
Mass unknown
Mean density unknown
Retrieved from "http://en.wikipedia.org/w/index.php?title=217_Eudora&oldid=439876175"
Categories:
• Main Belt asteroids
• C-type asteroids
• Asteroids named from Greek mythology
• Astronomical objects discovered in 1880
• C-type Main Belt asteroid stubs
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