(307616) 2003 QW90

(307616) 2003 QW₉₀
Discovery
Discovered by	Marc W. Buie^[1]
Discovery date	23 August 2003
Designations
Alternative names	none
Minor planet category	TNO
Orbital characteristics^[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	2945 days (8.06 yr)
Aphelion	46.988 AU (7.0293 Tm)
Perihelion	40.234 AU (6.0189 Tm)
Semi-major axis	43.611 AU (6.5241 Tm)
Eccentricity	0.077434
Orbital period	288.01 yr (105195 d)
Average orbital speed	4.50 km/s
Mean anomaly	275.158°
Mean motion	0° 0^m 12.32^s / day
Inclination	10.385°
Longitude of ascending node	17.757°
Argument of perihelion	89.888°
Earth MOID	39.2673 AU (5.87430 Tm)
Jupiter MOID	35.1022 AU (5.25121 Tm)
Jupiter Tisserand parameter	5.797
Physical characteristics
Dimensions	366 km (assumed)^[3]
Temperature	≈42 K
Absolute magnitude (H)	5.4^[2]

(307616) 2003 QW₉₀ is a classical Kuiper belt object that was discovered on August 23, 2003, by Marc W. Buie. In 2008, its diameter was listed as 440 kilometres (270 mi).^[4]

References

↑ "List Of Transneptunian Objects". Retrieved 2015-08-26.
1 2 Alan Chamberlin. "JPL Small-Body Database Browser". Ssd.jpl.nasa.gov. Retrieved 7 April 2016.
↑ "List of known trans-Neptunian objects". Retrieved 2009-03-24.
↑ Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 2009-04-18. Retrieved 2008-12-09.

External links

(307616) 2003 QW90 at the JPL Small-Body Database
- Discovery · Orbit diagram · Orbital elements · Physical parameters

Small Solar System bodies

Minor planets

Designation Groups Moons Meanings of names Pronunciation of names

Asteroids	Aten asteroid Asteroid belt Families Jupiter Trojans Near-Earth Spectral types

Distant minor planets	Centaurs Damocloids Neptune trojans Trans-Neptunian objects Detached Kuiper belt Oort cloud Scattered disc

Comets

Meteoroids

Lists / categories

Asteroid groups and families
Asteroid moons
Binary asteroids
Minor planets

Trans-Neptunian objects

TNO classes	Cubewanos Scattered-disc objects Detached objects Resonant objects (Neptune trojans Plutinos Twotinos) Natural satellites Double objects

Dwarf Planets (moons)	Pluto Charon Styx Nix Kerberos Hydra Haumea Namaka Hi'iaka Makemake S/2015 (136472) 1 Eris Dysnomia

Sednoids	90377 Sedna 2012 VP113

Dwarf planets

Asteroid belt	IAU: Ceres No longer rounded and therefore not dwarf planets: Vesta (disrupted out of equilibrium)

Centaurs	Possibly: Chariklo Chiron

Centaurs (extended)	Possibly: 1995 SN55 Ceto 2010 TY53

Plutinos	IAU: Pluto Additional objects proposed by Brown and Tancredi: Orcus Ixion 2003 AZ₈₄ 2004 UX₁₀ Huya Possibly: 2003 UZ₄₁₃ 2003 VS₂ 2002 VR₁₂₈ 2004 PF₁₁₅ 2002 XV93 2007 JH43 2001 QF298

Twotinos	Possibly: 2002 WC₁₉

Other resonances/ unknown resonances:	IAU: Haumea Possibly: 2002 XW₉₃ 1999 DE₉ 1999 KR₁₆ 2001 YH₁₄₀ 2011 GM27 2010 VK201 2013 FZ27 2014 UM33 1999 CD158

Cubewanos:	IAU: Makemake Additional objects proposed by Brown and Tancredi: 2002 MS₄ Salacia Quaoar Varuna Varda 2004 GV₉ 2002 AW₁₉₇ 2002 TX₃₀₀ 2005 RR₄₃ 2003 OP₃₂ 2005 RN₄₃ Possibly: Chaos Altjira Sila-Nunam 2002 UX₂₅ 2007 JJ₄₃ 2005 UQ₅₁₃ 2004 TY₃₆₄ 2003 QW₉₀ 1998 SN₁₆₅ 2002 KX₁₄ Praamzius 2004 NT₃₃ 2010 FX86 2002 CY248 2010 VR11 Rhadamanthus

Scattered disc	IAU: Eris Additional objects proposed by Brown and Tancredi: 2007 OR₁₀ 1996 TL₆₆ 2001 UR₁₆₃ 2005 RM₄₃ Possibly: 2002 TC₃₀₂ 2004 XA₁₉₂ 2005 QU₁₈₂ 2006 QH181 2007 UK₁₂₆ 2010 EK139 2010 KZ39 2010 RE64 2010 RF43 2010 TJ 2013 FY27 2008 OG19 1996 GQ₂₁ 2012 HH₂ 1999 CC₁₅₈ 2006 HH123 2010 VZ98

Area uncertain	Captured satellites that were once dwarf planets: Triton (captured by Neptune) Phoebe (captured by Saturn, and was then disrupted out of equilibrium) Possibly: 2011 FW62 (lost) 2000 YW₁₃₄ V774104

Detached objects	Possibly: 2004 XR190 2010 GB174 2008 ST291 1995 TL₈ 2005 TB₁₉₀ 2003 QX113 2003 FY₁₂₈ 2004 VN112 2000 CR₁₀₅

Sednoids	Objects proposed by Brown and Tancredi: Sedna Possibly: 2012 VP113

Former candidates	Pallas Vesta Hygiea Cybele

See also: Charon Vanth Dysnomia Hiʻiaka Mesoplanet Planemo List of trans-Neptunian objects List of possible dwarf planets List of Solar System objects List of Solar System objects by size

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