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1999 OJ4
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Number
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-
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Provisional name
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1999 OJ4
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Class
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Cubewano
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Discovery
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18.07.1999, 12:27:54 UT, Mauna Kea, Hawaii, USA
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Discovery position
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15° Aquarius 21' Rx
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Time of announcement
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18.11.1999 - 23:05 UT
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Orbital period
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235.3 years
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Orbit
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- crosses the orbit of Pluto
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Aphelion
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39.142 AU
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Perihelion
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37.291 AU
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Semimajor axis
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38.217 AU
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Magnitude
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7.0
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Diameter
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75 - 240 km
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Inclination
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4.0
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1999 OJ4 has a binary companion.
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Satellite
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S/2002 (1999 OJ4) 1
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Discovery
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04.10.2002, Hubble Space Telescope
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Time of announcement
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05.10.2005
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Distance between pair
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2200 km
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