(52747) 1998 HM151

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(52747) 1998 HM151
Discovery
Discovered by Mauna Kea Observatory
Discovery date April 29, 1998
Designations
Alternate name(s) none
Minor planet
category		 TNO (cubewano)[1][2]
Aphelion 47.500 AU
Perihelion 41.902 AU
Semi-major axis 44.701 AU
Eccentricity 0.063
Orbital period 109164 d (298.87 a)[3]
Average orbital speed ?km/s
Mean anomaly 308.6°
Inclination 0.5°
Longitude of ascending node 64.0°
Argument of perihelion 243.3°
Physical characteristics
Dimensions 116 km[4]
Mass ?kg
Mean density ?g/cc
Equatorial surface gravity ?m/s²
Escape velocity ?km/s
Rotation period ?d
Albedo ?
Temperature ?K
Spectral type ?
Absolute magnitude (H) 7.9

(52747) 1998 HM151, also written as (52747) 1998 HM151, is a cubewano. It has a perihelion (closest approach to the Sun) at 41.902 AU and an aphelion (farthest approach from the Sun) at 47.500 AU. It is 116 km in diameter. It was discovered on April 29, 1998 at the Mauna Kea Observatory, Hawaii.

[edit] References

  1. ^ "MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)". IAU Minor Planet Center. 2009-09-04. http://www.cfa.harvard.edu/mpec/K09/K09R09.html. Retrieved 2009-10-04. 
  2. ^ Marc W. Buie (2004-05-27 using 22 observations). "Orbit Fit and Astrometric record for 52747". SwRI (Space Science Department). http://www.boulder.swri.edu/~buie/kbo/astrom/52747.html. Retrieved 2009-10-04. 
  3. ^ AstDyS: (52747) 1998HM151
  4. ^ List of known trans-Neptunian objects

1. http://cfa-www.harvard.edu/iau/lists/TNOs.html
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