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Created by mwcl_wikipedia_en on 2/15/2008

(9921) 1981 EO18 ^en

mid: /m/03mc_rd notable type: /astronomy/astronomical_discovery notable for: /astronomy/astronomical_discovery on the web: wikipedia.org

(9921) 1981 EO18 is a main belt asteroid. It orbits the Sun once every 3.67 years. Discovered on March 2, 1981 by Schelte Bus at the Siding Spring Observatory, it was given the provisional designation "1981 EO18". Wikipedia [ - ]

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(9921) 1981 EO18

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Friday, February 15, 2008 10:16 AM

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/boot/all_permission

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mwcl_wikipedia_en

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Freebase Data Team

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/m/03mc_rd

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(9921) 1981 EO18 is a main belt asteroid. It orbits the Sun once every 3.67 years. Discovered on March 2, 1981 by Schelte Bus at the Siding Spring Observatory, it was given the provisional designation "1981 EO18". Wikipedia

4 values total »

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(9921) 1981 EO18 is a main belt asteroid. It orbits the Sun once every 3.67 years. Discovered on...

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Astronomical Discovery

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Monday, May 20, 2013 8:58 PM

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Member of Asteroid Group /astronomy/asteroid/member_of_asteroid_group

Asteroid belt

Category /astronomy/celestial_object/category

Age /astronomy/celestial_object/celestial_age

Age	Uncertainty
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Apparent Magnitude /astronomy/celestial_object/magnitude

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Absolute Magnitude /astronomy/celestial_object/absolute_magnitude

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Declination /astronomy/celestial_object/decllnation

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Right Ascension /astronomy/celestial_object/right_ascention

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Distance /astronomy/celestial_object/cosmological_distance

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Hipparcos Catalog Number /astronomy/celestial_object/hipparcos_catalog_number

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Apoapsis /astronomy/orbital_relationship/aoapsis

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Orbit Eccentricity /astronomy/orbital_relationship/orbit_eccentricity

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0.0589149

Orbital Period /astronomy/orbital_relationship/orbital_period

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Average Orbital Speed /astronomy/orbital_relationship/mean_orbital_speed

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Orbit Type /astronomy/orbital_relationship/orbit_type

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Semi-major Axis /astronomy/orbital_relationship/semi_major_axis

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Inclination /astronomy/orbital_relationship/inclination

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2.39925 °

Orbited by /astronomy/orbital_relationship/orbited_by

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Epoch /astronomy/orbital_relationship/epoch

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Discovery Site /astronomy/astronomical_discovery/discovery_site

Siding Spring Observatory

Discoverer /astronomy/astronomical_discovery/discoverer

Schelte J. Bus

Discovery Date /astronomy/astronomical_discovery/discovery_date

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3/2/1981

Discovery Organization /astronomy/astronomical_discovery/discovery_organization

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Discovery Technique /astronomy/astronomical_discovery/discovery_technique

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Status /astronomy/astronomical_discovery/status

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Star system /astronomy/star_system_body/star_system

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Absolute magnitude /astronomy/star_system_body/absolute_magnitude

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14.3

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