Shushen Star

The asteroid belt between Mars and Jupiter

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Shushen is the 221st asteroid discovered by humans, located between Mars and Jupiter Asteroid belt 。

Chinese name: Shushen Star
Alias: n/a
Classification: Main belt (Eos)

Discoverer: Johann Palisa
Discovery time: January 18, 1882
Rotation period: 10.436 h

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Basic information

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Discovered by: Johann Palisa

Date of discovery: January 18, 1882

Other names: n/a

Asteroid classification: Main belt (Eos)

Track information

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Epoch 30 January, 2005 (JD 2453400.5)

Aphelion distance: 496.912 Gm (3.322 AU)

Perihelion distance: 404.104 Gm (2.701 AU)

Rail semi major axis: 450.508 Gm (3.011 AU)

Eccentricity of track ： 0.103

Orbital period: 1908.778 d (5.23 a)

Average revolution speed: 17.16 km/s

Average near point angle: 351.618 °

Rail inclination: 10.887 °

Right ascension of ascending node: 141.959 °

Perihelion radiation angle: 196.03 °

Physical characteristics

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Size: 104.0 km

Rotation period: 10.436 h

Albedo: 0.140

Spectrum type: K

Absolute magnitude: 7.67

Eos family

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Eos family It is one of the major asteroid families. It is believed that it is a group of asteroids formed after a catastrophic impact, and is named after 221 Shushen Star. Shushen track The semi major diameter is 2.99 to 3.03 AU, the eccentricity is 0.01 to 0.13, and the orbital inclination is 8 ° to 12 °. The number of known members is about 480.

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