(315898) 2008 QD4 explained

Minorplanet:yes
Background:
  1. C7FF8F
Discoverer:Mallorca Obs.
Discovery Site:La Sagra Obs.
Discovered:25 August 2008
Mp Category:centaur
Observation Arc:2744 days (7.51 yr)
Uncertainty:1
Epoch:13 January 2016 (JD 2457400.5)
Aphelion:11.364abbr=onNaNabbr=on (Q)
Perihelion:5.4531AU (q)
Semimajor:8.4087AU (a)
Eccentricity:0.35149 (e)
Period:24.38 yr (8906.16 d)
Inclination:42.028° (i)
Asc Node:344.70° (Ω)
Mean Anomaly:79.666° (M)
Mean Motion: / day (n)
Arg Peri:68.923° (ω)
Moid:4.6941AU
Jupiter Moid:1.46448AU
Tisserand:2.387
Mean Diameter:[1]
Albedo:0.05
Abs Magnitude:11.4

, prov. designation:, is a centaur orbiting in the outer Solar System with a perihelion greater than Jupiter and a semi-major axis less than Saturn.

Perihelion

is listed as a centaur by the Minor Planet Center, Jet Propulsion Laboratory, and the Deep Ecliptic Survey (DES). Of numbered objects listed as a centaur by all 3 major institutions, has the smallest perihelion distance.

It came to perihelion in August 2010.

Notes and References

  1. assumed to have an albedo just above a typical comet