(1309) Hyperborea

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Asteroid
(1309) Hyperborea
Properties of the orbit ( animation )
Orbit type Main belt asteroid
Major semi-axis 3.2034  AU
eccentricity 0.1529
Perihelion - aphelion 2.7135 AU - 3.6933 AU
Inclination of the orbit plane 10.29 °
Sidereal period 5.733 a
Mean orbital velocity 16.64 km / s
Physical Properties
Medium diameter 57.16 km
Dimensions ? Template: Infobox asteroid / maintenance / masskg
Albedo 0.045
Medium density ? g / cm³
Rotation period 13,950 h
Absolute brightness 10,379 mag
Spectral class ?
history
Explorer G. N. Nikolayevich
Date of discovery 1931
Another name 1931 TO, 1934 GT, 1971 SG 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.

(1309) Hyperborea is an asteroid of the main belt , which on 11. October 1931 by Russian astronomer Grigory Neujmin in simeiz was discovered.

The name is derived from the country Hyperborea from Greek mythology.

See also