(91133) 1998 HK151 explained

Minorplanet:yes
Background:
  1. C2E0FF
Discoverer:Mauna Kea Observatory
Discovered:28 April 1998
Mp Category:plutino (TNO)
Epoch:13 January 2016 (JD 2457400.5)
Semimajor:39.438AU
Perihelion:30.347AU
Aphelion:48.529abbr=onNaNabbr=on
Eccentricity:0.23052
Period:247.67 yr (90462.3 d)
Inclination:5.9365°
Asc Node:50.194°
Arg Peri:180.55°
Mean Anomaly:25.159°
Dimensions:134 km
Spectral Type:(Blueish;lowest TNO B-V) B-V=0.51; V-R=0.43[1]
Abs Magnitude:7.6
Albedo:0.09
Mean Motion: / day
Orbit Ref:[2]
Observation Arc:1178 days (3.23 yr)
Uncertainty:3

(provisional designation ) is a resonant trans-Neptunian object from the Kuiper belt, located in the outermost region of the Solar System. It measures approximately 134 kilometers in diameter. It was discovered by astronomers at the Mauna Kea Observatory on 28 April 1998.

Description

is classified as a plutino, a dynamical group named after Pluto. Members of this group stay in a 2:3 resonance with Neptune.

has the lowest, and thus bluest measured B-V color index of any TNO. On 24 May 2000, set a TNO record low B-V of 0.51. Reddening of the spectrum is caused by ultraviolet radiation and charged particles. Becoming bluer in the spectrum is caused by impact collisions exposing the interior of an object.

Based on an absolute magnitude of 7.62,, the Johnston's Archive estimates a diameter of 134 kilometers, assuming an albedo of 0.09.

External links

Notes and References

  1. Web site: TNO Colors . Planetary Data System (PDS Asteroid/Dust Archive) . 2007-09-09 . https://web.archive.org/web/20060908123211/http://www.psi.edu/pds/asteroid/EAR_A_COMPIL_3_TNO_CEN_COLOR_V3_0/data/tnocencol.tab . 2006-09-08 . dead .
  2. Web site: 91133 (1998 HK151) . . . 8 April 2016.