(55637) 2002 UX25

Encyclopedia : 5 : 55 : 556 : (55637) 2002 UX25

**(55637) 2002 UX₂₅**
Orbital elements
Eccentricity (orbit)>e
Inclination>i	°
Perihelion>q	AU
Argument of perihelion>ω	°
Semi-major axis>a	AU
Longitude of the ascending node>ω	°
Aphelion>Q	AU
Mean anomaly>M	°
Orbital period>P	years
Mean motion>n	°/day
Time of perihelion passage>TP

(55637) 2002 UX₂₅ (also written as (55637) 2002 UX25) is a large Trans-Neptunian object discovered on October 30, 2002 by the Spacewatch program. It is a mid-sized (as 2002 TX₃₀₀ or (20000) Varuna) classical Kuiper Belt object (KBO).

A variability of the visual brightness was detected which could be fit to a period of 14.38 or 16.78 h (depending on a single-peaked or double peaked curve).

The object is redder than Varuna, unlike its neutral "twin" 2002 TX₃₀₀ in spite of similar size and orbit elements.

2002 UX₂₅ has a satellite. The orbit of this satellite has yet to be determined.

External links

[MPEC 2002-V08]
[AstDys] orbital elements

References

Rousselot, P.; Petit, J.-M.; Poulet, F.; Sergeev, A. Photometric study of Centaur (60558) 2000 EC₉₈ and trans-neptunian object (55637) 2002 UX₂₅ at different phase angles, Icarus, Volume 176, Issue 2, 2005 pp. 478-491.[Abstract.]

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Large trans-Neptunian objects[http://encycl.opentopia.com/ edit ]

Kuiper belt: Pluto (Charon) | Orcus | Ixion | 2002 UX₂₅ | Varuna | 2002 TX₃₀₀ | 2003 EL₆₁ | Quaoar | 2005 FY₉ | 2002 AW₁₉₇

Scattered disc: 2002 TC₃₀₂ | 2003 UB₃₁₃ | 2004 XR₁₉₀ | Sedna†

See also Triton, astronomical objects and the solar system's list of objects, sorted by radius or mass.
For pronunciation, see: Centaur and TNO pronunciation.
† Current MPC classification. Some consider Sedna an Oort cloud object.

The minor planets
Vulcanoids \| Near-Earth asteroids \| Main belt \| Jupiter Trojans \| Centaurs \| Damocloids \| Comets \| Trans-Neptunians (Kuiper belt · Scattered disc · Oort cloud)
For other objects and regions, see: , , asteroid moons and the Solar system For a complete listing, see: List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.

[http://encycl.opentopia.com/ edit ] The Solar System

Planets: Mercury (planet)>Mercury - Venus - Earth - Mars - Jupiter - Saturn - Uranus - Neptune - Pluto
Other: Sun - Moon>The Moon - Asteroid belt - Main-belt comets - Kuiper belt - Scattered disc - Oort cloud
See also astronomical objects and the solar system's list of objects, sorted by radius or mass.

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