2008 QD4

2008 QD4
Centaur 2008 QD4 (apmag 19) as seen with 24" telescope
Designations
MPC designation 2008 QD4
Minor planet
category		 Centaur[1][2][3]
Epoch November 30 2008 (2454800.5)
Aphelion 11.41 AU (Q)
Perihelion 5.437 AU (q)
Semi-major axis 8.425 AU (a)
Eccentricity 0.354
Orbital period 24.46 yr
Mean anomaly 334.6° (M)
Inclination 41.87°
Longitude of ascending node 344.6°
Argument of perihelion 68.6°
Dimensions 33 km[4]
Geometric albedo 0.05 (assumed)[4]
Absolute magnitude (H) 11.3[1]

2008 QD4, also written as 2008 QD4, is a centaur with a perihelion greater than Jupiter and a semi-major axis less than Neptune.

Perihelion

2008 QD4 is listed as a centaur by the Minor Planet Center (MPC),[3] JPL,[1] and the Deep Ecliptic Survey (DES).[2] Of objects listed as a centaur by all 3 major institutions, 2008 QD4 has the smallest perihelion distance.[3]

It will come to perihelion in August 2010.[1]


References

  1. ^ a b c d e "JPL Small-Body Database Browser: (2008 QD4)". 2008-10-08 last obs. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2008QD4. Retrieved 2008-10-17. 
  2. ^ a b Marc W. Buie (2008-10-01). "Orbit Fit and Astrometric record for 08QD4". SwRI (Space Science Department). http://www.boulder.swri.edu/~buie/kbo/astrom/08QD4.html. Retrieved 2008-10-17. 
  3. ^ a b c "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. http://www.minorplanetcenter.org/iau/lists/Centaurs.html. Retrieved 2008-10-17. 
  4. ^ a b assumed to have an albedo just above a typical comet

External links