(86047) 1999 OY3

(86047) 1999 OY₃ (provisional designation 1999 OY₃) is a trans-Neptunian object that resides in the Kuiper belt beyond Pluto. It was discovered on July 18, 1999, at the Mauna Kea Observatory, Hawaii, USA.

(86047) 1999 OY₃

(86047) 1999 OY3 among other Haumea family objects
Discovery
Discovery date	18 July 1999
Designations
MPC designation	(86047) 1999 OY3
Alternative designations	none
Minor planet category	Cubewano (MPC)[1] Extended (DES)[2]
Orbital characteristics[3]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	2572 days (7.04 yr)
Aphelion	51.168 AU (7.6546 Tm)
Perihelion	36.247 AU (5.4225 Tm)
Semi-major axis	43.708 AU (6.5386 Tm)
Eccentricity	0.17069
Orbital period (sidereal)	288.96 yr (105544 d)
Mean anomaly	62.419°
Mean motion	0° 0m 12.279s / day
Inclination	24.261°
Longitude of ascending node	301.85°
Argument of perihelion	303.74°
Earth MOID	35.2941 AU (5.27992 Tm)
Jupiter MOID	31.2837 AU (4.67997 Tm)
Physical characteristics
Dimensions	73 km[4][5]
Geometric albedo	0.7 (assumed)
Spectral type	B-V=0.75, V-R=0.26[6] B-V=0.71; V-R=0.37[7]
Absolute magnitude (H)	6.8[3]

1999 OY₃ is a candidate member of the Haumea family and, as a result, may have a high albedo.^[8] Of the currently known Haumea-family members, 2009 OY₃ has the dimmest absolute magnitude (H) of the group at 6.8, suggesting that it is also the smallest member of the group.

References

1. "MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)". IAU Minor Planet Center. 2009-09-04. Retrieved 2009-10-04.
2. Marc W. Buie. "Orbit Fit and Astrometric record for 86047" (last observation: 2006-08-02 using 37 observations over 7.04 years). SwRI (Space Science Department). Retrieved 2009-10-04.
3. "JPL Small-Body Database Browser: 86047 (1999 OY3)" (last observation: 2006-08-02; arc: 7.04 years). Retrieved 7 April 2016.
4. Assuming a Haumea-like albedo of 0.7
5. Dan Bruton. "Conversion of Absolute Magnitude to Diameter for Minor Planets". Department of Physics & Astronomy (Stephen F. Austin State University). Archived from the original on 23 March 2010. Retrieved 2009-12-27.
6. Snodgrass, Carry; Dumas, Hainaut (2009). "Characterisation of candidate members of (136108) Haumea's family". Astronomy and Astrophysics. 511: A72. arXiv:0912.3171. Bibcode:2010A&A...511A..72S. doi:10.1051/0004-6361/200913031. S2CID 62880843.
7. Tegler, Stephen C. (2007-02-01). "Kuiper Belt Object Magnitudes and Surface Colors". Archived from the original on January 10, 2008. Retrieved 2006-11-07.
8. D. Ragozzine; M. E. Brown (2007). "Candidate Members and Age Estimate of the Family of Kuiper Belt Object 2003 EL₆₁". The Astronomical Journal. 134 (6): 2160–2167. arXiv:0709.0328. Bibcode:2007AJ....134.2160R. doi:10.1086/522334. S2CID 8387493.

External links

• (86047) 1999 OY3 at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters