(85627) 1998 HP151 - Asteroid - astro.wikisort.org

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(85627) 1998 HP₁₅₁, provisional designation 1998 HP₁₅₁, is a trans-Neptunian object from the classical Kuiper belt, located in the outermost region of the Solar System. The cubewano belongs to the cold population. It has a perihelion (closest approach to the Sun) at 40.297 AU and an aphelion (farthest approach from the Sun) of 48.306 AU. It is about 146 km in diameter. It was discovered on 28 April 1998, at the Mauna Kea Observatory, Hawaii.

(85627) 1998 HP₁₅₁
Discovery
Discovered by	Mauna Kea Observatory[1]
Discovery date	28 April 1998
Designations
Alternative designations	(85627) 1998 HP₁₅₁
Minor planet category	TNO · cubewano[2][3] cold[4]
Orbital characteristics[5]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	3302 days (9.04 yr)
Aphelion	47.92187 AU (7.169010 Tm)
Perihelion	40.25486 AU (6.022041 Tm)
Semi-major axis	44.08836 AU (6.595525 Tm)
Eccentricity	0.086951
Orbital period (sidereal)	292.75 yr (106926 d)
Average orbital speed	4.47 km/s
Mean anomaly	315.815°
Mean motion	0° 0^m 12.121^s / day
Inclination	1.51240°
Longitude of ascending node	55.9363°
Argument of perihelion	249.275°
Physical characteristics
Mean diameter	146 km[6]
Absolute magnitude (H)	7.4

References

"List of Transneptunian Objects". Minor Planet Center. Archived from the original on 19 June 2007.
"MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)". IAU Minor Planet Center. 4 September 2009. Retrieved 4 October 2009.
Marc W. Buie. "Orbit Fit and Astrometric record for 85627". SwRI (Space Science Department). Retrieved 4 October 2009. 2007-05-13 using 37 observations
Brown, Mike (14 October 2013). "How many dwarf planets are there in the outer solar system?". California Institute of Technology. Archived from the original on 15 October 2013. Retrieved 18 February 2018.
"85627 (1998 HP151)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 8 April 2016.
Johnston, Wm. Robert (7 October 2018). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 14 November 2018.

External links

(85627) 1998 HP151 at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
(85627) 1998 HP151 at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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(85627) 1998 HP₁₅₁

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

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v t e Trans-Neptunian objects
TNO classes	Cubewanos Scattered-disc objects Detached objects Resonant objects Neptune trojans Plutinos Twotinos TNO moons
Dwarf planets (moons)	Orcus Vanth Pluto Charon Styx Nix Kerberos Hydra Haumea Namaka Hiʻiaka Quaoar Weywot Makemake MK2 Gonggong Xiangliu Eris Dysnomia Sedna
Sednoids	90377 Sedna 2012 VP113 541132 Leleākūhonua

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[ru] (85627) 1998 HP151

(85627) 1998 HP151 — транснептуновый объект класса кьюбивано[3][4]. Перигелий объекта расположен на 40,297 а.е., а афелий на 48,306 а.е. Его диаметр оценён в 146 км. Он был открыт 28 апреля 1998 года в обсерватории Мауна-Кеа, Гавайи.

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