(1221) Cupid

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(1221) Cupid
Properties of the orbit ( animation )
Orbit type Cupid type
Major semi-axis 1.9198  AU
eccentricity 0.4345
Perihelion - aphelion 1.0856 AU - 2.7540 AU
Inclination of the orbit plane 11.8780 °
Sidereal period 2,660 a
Mean orbital velocity 21.50 km / s
Physical Properties
Medium diameter 1.0 km
Absolute brightness 17.7 mag
Explorer Eugène Delporte
Date of discovery March 12, 1932
Another name 1932 EA 1
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(1221) Cupid is an asteroid after which a whole class of asteroids ( Cupid type ) was named, the orbit of which runs partly within the orbit of Mars .

Cupid was discovered in 1932. It moves at a distance of 1.086  AU ( perihelion ) and 2.754 AU ( aphelion ) around the sun . Its orbit is inclined 11.878 ° to the ecliptic , the orbital eccentricity is 0.435. On its orbit it can approach the earth up to 16.3 million km and thereby 14.2 may become bright.

The mean diameter of Cupid is estimated at 0.9 to 1.9 km.

See also