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1 References  





2 External links  














(85627) 1998 HP151






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(85627) 1998 HP151
Discovery
Discovered byMauna Kea Observatory[1]
Discovery date28 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 parameter3
Observation arc3302 days (9.04 yr)
Aphelion47.92187 AU (7.169010 Tm)
Perihelion40.25486 AU (6.022041 Tm)

Semi-major axis

44.08836 AU (6.595525 Tm)
Eccentricity0.086951

Orbital period (sidereal)

292.75 yr (106926 d)

Average orbital speed

4.47 km/s

Mean anomaly

315.815°

Mean motion

0° 0m 12.121s / day
Inclination1.51240°

Longitude of ascending node

55.9363°

Argument of perihelion

249.275°
Physical characteristics

Mean diameter

146 km[6]

Absolute magnitude (H)

7.4

(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.

References

[edit]
  1. ^ "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.
  • [edit]


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    Categories: 
    Minor planet object articles (numbered)
    Cold classical Kuiper belt objects
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