2010 RF43

2010 RF₄₃
Discovery^[1]
Discovered by	S. D. Benecchi
Discovery site	Las Campanas Observatory, Chile
Discovery date	September 6, 2010^[2]
Designations
MPC designation	2010 RF₄₃
Minor planet category	Scattered disc^[3]^[4]
Orbital characteristics^[3]
Epoch JD 2456400.5 (2013-Apr-18.0)
Aphelion	61.82 AU
Perihelion	37.01 AU
Semi-major axis	49.62 AU
Eccentricity	0.251
Orbital period	347.4 years (126,882 days)
Mean anomaly	91.14°
Inclination	30.625°
Longitude of ascending node	25.366°
Argument of perihelion	192.12°
Known satellites	none
Proper orbital elements
Precession of the ascending node	24.527 arcsec / yr
Physical characteristics
Dimensions	380–860^[5] 581 km in diameter.^[6]

2010 RF₄₃, also written 2010 RF43, is a trans-Neptunian object with an absolute magnitude of 4.1.^[3] It was discovered in 2010 by S. D. Benecchi at the Las Campanas Observatory in Chile.^[1] 2010 RF₄₃ is currently classified as a scattered disc object.^[3]^[4] Astronomer Mike Brown lists it as highly likely a dwarf planet.^[6]

References

1 2 "MPEC 2011-U09 : 2010 RF43". Minorplanetcenter.net. Retrieved 2014-06-13.
↑ (2010 RF43). "Small Solar System Body (2010 RF43)". Comets-asteroids.findthedata.org. Retrieved 2014-06-13.
1 2 3 4 Alan Chamberlin. "JPL Small-Body Database Browser". Ssd.jpl.nasa.gov. Retrieved 2014-06-13.
1 2 Marc W. Buie. "Orbit Fit and Astrometric record for 10RF43" (2013-02-13 using 34 of 36 observations). SwRI (Space Science Department). Retrieved 2013-02-13.
↑ "Absolute Magnitude (H)". NASA / JPL. Retrieved 2010-02-13.
1 2 Michael E. Brown. "How many dwarf planets are there in the outer solar system? (updates daily)". California Institute of Technology. Retrieved 2011-08-25.

External links

2010 RF43 at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

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: 2012 BX₈₅ 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 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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