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 13 January 2016 (JD 2457400.5)
Uncertainty parameter 5
Observation arc	743 days (2.03 yr)
Aphelion	61.726 AU (9.2341 Tm)
Perihelion	36.853 AU (5.5131 Tm)
Semi-major axis	49.290 AU (7.3737 Tm)
Eccentricity	0.25231
Orbital period	346.05 yr (126396 d)
Mean anomaly	94.491°
Mean motion	0° 0^m 10.254^s /day
Inclination	30.698°
Longitude of ascending node	25.208°
Argument of perihelion	191.70°
Known satellites	none
Earth MOID	35.8518 AU (5.36335 Tm)
Jupiter MOID	31.4497 AU (4.70481 Tm)
Proper orbital elements
Precession of the ascending node	24.527 arcsec / yr
Physical characteristics
Dimensions	380–860^[5] 581 km in diameter.^[6]
Absolute magnitude (H)	4.1

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 31 March 2016.
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. Archived from the original on 2011-10-18. 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: 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

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

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