(612620) 2003 SQ317

(612620) 2003 SQ317
Hubble Space Telescope image of 2003 SQ317 taken in 2009
Discovery[1][2]
Discovered byCFEPS
Discovery siteMauna Kea Obs.
Discovery date23 September 2003
(first observed only)
Designations
2003 SQ317
TNO[1] · cubewano[3]
SCATEXTD[4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 4
Observation arc10.12 yr (3,698 days)
Aphelion45.746 AU
Perihelion39.231 AU
42.489 AU
Eccentricity0.0767
276.96 yr (101,159 days)
6.9467°
0° 0m 12.96s / day
Inclination28.619°
176.34°
191.81°
Physical characteristics
Dimensions300±150 km[5]
Mean density
0.8–2.7 g/cm3[6]
7.210±0.001 h[6]
7.5 h[1]
0.05–0.50[6]
B−R=1.05±0.18[6]
6.2[1]

(612620) 2003 SQ317 is a classical trans-Neptunian object and member of Haumea family from the Kuiper belt located in the outermost regions of the Solar System, approximately 300 kilometers in diameter. It was first observed on 23 September 2003, by astronomers of the Canada–France Ecliptic Plane Survey at Mauna Kea Observatories on Hawaii. The surface of 2003 SQ317 is made of water ice.[7]

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  2. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference MPEC 2006-P22 was invoked but never defined (see the help page).
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  5. ^ Cite error: The named reference bruton was invoked but never defined (see the help page).
  6. ^ a b c d Cite error: The named reference Lacerda2014 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Snodgrass2009 was invoked but never defined (see the help page).