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(87269) 2000 OO67

The correct title of this article is (87269) 2000 OO67. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
(87269) 2000 OO67
Discovery A
Discoverer Cerro Tololo telescope
Discovery date July 29, 2000
Alternate
designations B		 none
Category TNO
Orbital elements C
Epoch December 31, 2006 (JD 2454100.5)
Eccentricity (e) 0.962
Semi-major axis (a) 81453.391 Gm (544.482 AU)
Perihelion (q) 3106.523 Gm (20.766 AU)
Aphelion (Q) 159800.258 Gm (1068.199 AU)
Orbital period (P) 4640599.188 d (12705.27 a)
Mean orbital speed 0.88 km/s
Inclination (i) 20.071°
Longitude of the
ascending node (Ω)		 142.315°
Argument of
perihelion (ω)		 212.314°
Mean anomaly (M) 0.049°
Physical characteristics D
Dimensions 28-87 km
Mass 2.3-69×1016? kg
Density 2.0? g/cm³
Surface gravity 0.0078-0.024? m/s²
Escape velocity 0.015-0.046? km/s
Rotation period  ? d
Spectral class  ?
Absolute magnitude 9.13
Albedo (geometric) 0.10?
Mean surface
temperature		 ~12 K
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(87269) 2000 OO67 (also written (87269) 2000 OO67) is a small Trans-Neptunian object (TNO) discovered by Deep Ecliptic Survey in 2000. It is remarkable for its highly eccentric orbit. At aphelion it is over 1,000 AU from the sun and, with a perihelion of 21 AU, crosses the orbit of Neptune at closest approach. 2000 OO67 is probably composed of rock and ices. Some astronomers list it as a centaur. [1]

2000 OO67 came to perihelion in April 2005.[1][2][3]


References

  1. ^ Yeomans, Donald K.. Horizons Online Ephemeris System. California Institute of Technology, Jet Propulsion Laboratory. Retrieved on 2008-01-25.
  2. ^ Marc W. Buie (2004-08-23). Orbit Fit and Astrometric record for 87269. Deep Ecliptic Survey. Retrieved on 2008-05-18.
  3. ^ JPL Small-Body Database Browser: 87269 (2000 OO67) (2004-Sep-29). Retrieved on 2008-05-18.

External links

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Lists: Minor planets · Asteroid groups and families · Binary asteroids · Asteroid moons
See also: Near-Earth object · Dwarf planet · Planet · Solar System · Pronunciation of asteroid names · Meanings of asteroid names.
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