(469987) 2006 HJ123 - Asteroid - astro.wikisort.org

astro.wikisort.org - Asteroid

2006 HJ₁₂₃ (also written 2006 HJ123) is a trans-Neptunian object (TNO). It was discovered in 2006 by Marc W. Buie. The object is a plutino (in 2:3 resonance with Neptune).[2]

(469987) 2006 HJ₁₂₃
Discovery[1]
Discovered by	Marc W. Buie
Discovery date	27 April 2006
Designations
Alternative designations	2006 HJ₁₂₃
Minor planet category	TNO (plutino)[2]
Orbital characteristics[3]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	1838 days (5.03 yr)
Aphelion	51.444 AU (7.6959 Tm)
Perihelion	27.626 AU (4.1328 Tm)
Semi-major axis	39.535 AU (5.9144 Tm)
Eccentricity	0.30123
Orbital period (sidereal)	248.59 yr (90798.1 d)
Mean anomaly	309.05°
Mean motion	0° 0^m 14.273^s /day
Inclination	12.433°
Longitude of ascending node	222.53°
Time of perihelion	≈ 26 April 2051[4] ±1 days
Argument of perihelion	101.59°
Earth MOID	26.636 AU (3.9847 Tm)
Jupiter MOID	22.7401 AU (3.40187 Tm)
Physical characteristics
Dimensions	283.1^+142.3 _−110.8 km[5]
Geometric albedo	0.136^+0.308 _−0.089[5]
Temperature	~44 K
Absolute magnitude (H)	5.32 ± 0.66,[5] 5.7[3]

Physical properties

The size of 2006 HJ₁₂₃ was measured by the Herschel Space Telescope to be 283⁺¹⁴²
₋₁₁₁ km.[5]

References

"List Of Transneptunian Objects". IAU Minor Planet Center. Retrieved 14 May 2012.
Marsden, Brian G. (11 June 2006). "MPEC 2006-L50 : 2006 HF123, 2006 HG123, 2006 HH123, 2006 HJ123". IAU Minor Planet Center. Harvard-Smithsonian Center for Astrophysics. Retrieved 14 May 2012.
"JPL Small-Body Database Browser: (2006 HJ123)" (2012-05-14 last obs). Retrieved 30 March 2016.
JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
Mommert, Michael; Harris, A. W.; Kiss, C.; Pál, A.; Santos-Sanz, P.; Stansberry, J.; Delsanti, A.; Vilenius, E.; Müller, T. G.; Peixinho, N.; Lellouch, E.; Szalai, N.; Henry, F.; Duffard, R.; Fornasier, S.; Hartogh, P.; Mueller, M.; Ortiz, J. L.; Protopapa, S.; Rengel, M.; Thirouin, A. (May 2012). "TNOs are cool: A survey of the trans-Neptunian region—V. Physical characterization of 18 Plutinos using Herschel-PACS observations". Astronomy & Astrophysics. 541: A93. arXiv:1202.3657. Bibcode:2012A&A...541A..93M. doi:10.1051/0004-6361/201118562.

External links

(469987) 2006 HJ123 at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
(469987) 2006 HJ123 at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

v t e Minor planets navigator
(469987) 2006 HJ123

Small Solar System bodies

Minor planets

Designation Groups List Moon Meanings of names
Asteroid	Active Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Cis-Neptunian object Centaur Neptune trojan Damocloid Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Comets

Extinct
Great
Halley-type
Hyperbolic
Long-period
Lost
Near-parabolic
Periodic
Sungrazing

Other

Cosmic dust
Meteoroids
Space debris

This article about a centaur (minor planet) or trans-Neptunian object is a stub. You can help Wikipedia by expanding it.

Текст в блоке "Читать" взят с сайта "Википедия" и доступен по лицензии Creative Commons Attribution-ShareAlike; в отдельных случаях могут действовать дополнительные условия.

Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.

2019-2025
WikiSort.org - проект по пересортировке и дополнению контента Википедии