79 Eurynome

Short description: Main-belt asteroid

79 Eurynome

A three-dimensional model of 79 Eurynome based on its light curve.

Discovery
Discovered by| James Craig Watson
Discovery date| September 14, 1863
Designations

MPC designation

| (79) Eurynome
Pronunciation| /jʊˈrɪnəmiː/[1]
Named after| Eurynome
Minor planet category| Main belt
Adjectives| Eurynomean,[2] Eurynomian
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
|{{{apsis}}}|helion}}| 435.949 Gm (2.914 AU)
|{{{apsis}}}|helion}}| 295.538 Gm (1.976 AU)

Semi-major axis

| 365.743 Gm (2.445 AU)
Eccentricity| 0.192
Orbital period| 1396.288 d (3.82 a)
Average Orbital speed| 18.87 km/s
Mean anomaly| 149.498°
Inclination| 4.622°
Longitude of ascending node| 206.802°

|{{{apsis}}}|helion}}

| 200.384°
Physical characteristics
Dimensions| 66.5 km
Rotation period| 5.978 h
Geometric albedo| 0.262[3]

Spectral type

| S
Apparent magnitude| 9.35 (brightest)
Absolute magnitude (H)| 7.96

Eurynome (minor planet designation: 79 Eurynome) is a quite large and bright main-belt asteroid composed of silicate rock. Eurynome was discovered by J. C. Watson on September 14, 1863. It was his first asteroid discovery and is named after one of the many Eurynomes in Greek mythology. It is orbiting the Sun with a period of 3.82 years and has a rotation period of six hours. This is the eponymous member of a proposed asteroid family with at least 43 members, including 477 Italia and 917 Lyka.[4]

## References

1. ↑ Noah Webster (1884) A Practical Dictionary of the English Language
2. ↑ Barreto & de Sena (1980) The Poetry of Jorge de Sena, p. 156
3. ↑ Asteroid Data Sets
4. ↑ Bendjoya, P. (November 1993), "A Classification of 6479 Asteroids Into Families by Means of the Wavelet Clustering Method", Astronomy and Astrophysics Supplement 102 (1): 25, Bibcode: 1993A&AS..102...25B.

## External links

* 79 Eurynome at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 79 Eurynome at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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