Haumea

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Haumea
2003 EL61 Haumea, with moons.jpg
Keck image o Haumea an its twa muins. Hiʻiaka is abuin Haumea (centre), an Namaka is directly below.
Discovery
Discovered bi Brown et al.; Ortiz et al. (neither offeecial)
Discovery date 2004 December 28 (Brown et al.); 2005 July (Ortiz et al.)
Designations
MPC designation (136108) Haumea
Named after
Haumea
2003 EL61
Dwarf planet, plutoid, TNO,[1][2]
7:12 resonance, (deleetit cubewano)
Haumea faimily,
and trinary[3]
Adjectives Haumean
Orbital chairactereestics[4]
Epoch 2014-12-09 (JD 2457000.5)
Aphelion 51.483 AU
(7.702 Tm)
Perihelion 34.952 AU
(5.229 Tm)
43.218 AU
(6.465 Tm)
Eccentricity 0.19126
284.12 yr (103774 d)
4.531 km/s
209.07°
Inclination 28.19°
121.79°
240.20°
Kent satellites 2
Pheesical chairacteristics
Dimensions

1,920 × 1,540 × 990 km[5]

≈ 1,960 × 1,518 × 996 km (Keck)[6]
Mean radius
620+34
−29
 km
[7]
≈ 650 km (Herschel)[5][8]
690 km[9]
575+125
−50
 km
(Spitzer)[10]
≈ 718 km (Keck)
≈ 6.8×106 km2
Vollum 1.5×109 km3
Mass (4.006±0.040)×1021 kg[11]
0.00066 Yirds
Mean density

2.6 g/cm3[5][8]

2.6–3.3 g/cm3[6]
0.63 m/s2
0.91 km/s
0.163146±0.000004 d
(3.9155±0.0001 h)[12]
Albedo 0.804+0.062
−0.095
[7]
0.7±0.1[6]
0.84+0.1
−0.2
[10]
0.70–0.75 [8]
Temperatur < 50 K[13]
Spectral teep
(Neutral)
B−V = 0.64, V−R = 0.33 [14]
B0−V0 = 0.646 [15]
17.3 (opposition)[16][17]
0.03±0.43[4]

Haumea, minor-planet designation 136108 Haumea, is a dwarf planet located beyond Neptune's orbit.[18]

References[eedit | eedit soorce]

  1. "MPEC 2010-H75 : DISTANT MINOR PLANETS (2010 MAY 14.0 TT)" (2006 provisional Cubewano listing). Minor Planet Center. 2010-04-10. Retrieved 2010-07-02. 
  2. Marc W. Buie (2008-06-25). "Orbit Fit and Astrometric record for 136108". Southwest Research Institute (Space Science Department). Retrieved 2008-10-02. 
  3. Ragozzinee, D.; Brown, M. E (2007). "Candidate Members and Age Estimate of the Family of Kuiper Belt Object 2003 EL61". Astronomical Journal. 134 (6): 2160–2167. arXiv:0709.0328Freely accessible. Bibcode:2007AJ....134.2160R. doi:10.1086/522334. 
  4. 4.0 4.1 "Jet Propulsion Laboratory Small-Body Database Browser: 136108 Haumea (2003 EL61)" (2014-11-28 last obs). NASA's Jet Propulsion Laboratory. Retrieved 2015-01-08. 
  5. 5.0 5.1 5.2 Alexandra C. Lockwood; Michael E. Brown; John Stansberry (2014). "The size and shape of the oblong dwarf planet Haumea". Earth, Moon, and Planets. arXiv:1402.4456v1Freely accessible. 
  6. 6.0 6.1 6.2 Rabinowitz, D. L.; Barkume, Kristina; Brown, Michael E.; Roe, Henry; Schwartz, Michael; Tourtellotte, Suzanne; Trujillo, Chad (2006). "Photometric Observations Constraining the Size, Shape, and Albedo of 2003 EL61, a Rapidly Rotating, Pluto-Sized Object in the Kuiper Belt". Astrophysical Journal. 639 (2): 1238–1251. arXiv:astro-ph/0509401Freely accessible. Bibcode:2006ApJ...639.1238R. doi:10.1086/499575. 
  7. 7.0 7.1 Fornasier, S.; Lellouch, E.; Müller, T.; Santos-Sanz, P.; Panuzzo, P.; Kiss, C.; Lim, T.; Mommert, M.; Bockelée-Morvan, D.; Vilenius, E.; Stansberry, J.; Tozzi, G. P.; Mottola, S.; Delsanti, A.; Crovisier, J.; Duffard, R.; Henry, F.; Lacerda, P.; Barucci, A.; Gicquel, A. (2013). ""TNOs are cool": A survey of the trans-Neptunian region VIII. Combined Herschel PACS and SPIRE observations of nine bright targets at 70–500 μm" (PDF). Astronomy and Astrophysics. 555: A15. arXiv:1305.0449Freely accessible. Bibcode:2013A&A...555A..15F. doi:10.1051/0004-6361/201321329. 
  8. 8.0 8.1 8.2 Lellouch, E.; Kiss, C.; Santos-Sanz, P.; Müller, T. G.; Fornasier, S.; Groussin, O.; Lacerda, P.; Ortiz, J. L.; Thirouin, A.; Delsanti, A.; Duffard, R.; Harris, A. W.; Henry, F.; Lim, T.; Moreno, R.; Mommert, M.; Müller, M.; Protopapa, S.; Stansberry, J.; Trilling, D.; Vilenius, E.; Barucci, A.; Crovisier, J.; Doressoundiram, A.; Dotto, E.; Gutiérrez, P. J.; Hainaut, O.; Hartogh, P.; Hestroffer, D.; Horner, J. (2010). ""TNOs are cool": A survey of the trans-Neptunian region II. The thermal lightcurve of (136108) Haumea". Astronomy and Astrophysics. 518: L147. arXiv:1006.0095Freely accessible. Bibcode:2010A&A...518L.147L. doi:10.1051/0004-6361/201014648. 
  9. Ragozzine, D.; Brown, M. E. (2009). "Orbits and Masses of the Satellites of the Dwarf Planet Haumea = 2003 EL61". The Astronomical Journal. 137 (6): 4766–4776. arXiv:0903.4213Freely accessible. Bibcode:2009AJ....137.4766R. doi:10.1088/0004-6256/137/6/4766. 
  10. 10.0 10.1 Stansberry, J.; Grundy, W.; Brown, M.; Cruikshank, D.; Spencer, J.; Trilling, D.; Margot, J-L. (2008). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". The Solar System beyond Neptune. University of Arizona Press: 161. arXiv:astro-ph/0702538Freely accessible. Bibcode:2008ssbn.book..161S. 
  11. Ragozzine, D.; Brown, M. E. (2009). "Orbits and Masses of the Satellites of the Dwarf Planet Haumea = 2003 EL61". The Astronomical Journal. 137 (6): 4766–4776. arXiv:0903.4213Freely accessible. Bibcode:2009AJ....137.4766R. doi:10.1088/0004-6256/137/6/4766. 
  12. P. Lacerda; D. Jewitt & N. Peixinho (2008). "High-Precision Photometry of Extreme KBO 2003 EL61". Astronomical Journal. 135 (5): 1749–1756. arXiv:0801.4124Freely accessible. Bibcode:2008AJ....135.1749L. doi:10.1088/0004-6256/135/5/1749. 
  13. Chadwick A. Trujillo, Michael E. Brown, Kristina Barkume, Emily Shaller, David L. Rabinowitz (2007). "The Surface of 2003 EL61 in the Near Infrared". Astrophysical Journal. 655 (2): 1172–1178. arXiv:astro-ph/0601618Freely accessible. Bibcode:2007ApJ...655.1172T. doi:10.1086/509861. 
  14. Snodgrass, C.; Carry, B.; Dumas, C.; Hainaut, O. (Februar 2010). "Characterisation of candidate members of (136108) Haumea's family". Astronomy and Astrophysics. 511: A72. arXiv:0912.3171Freely accessible. Bibcode:2010A&A...511A..72S. doi:10.1051/0004-6361/200913031. 
  15. Rabinowitz, D. L.; Schaefer, Bradley E.; Schaefer, Martha; Tourtellotte, Suzanne W. (2008). "The Youthful Appearance of the 2003 EL61 Collisional Family". The Astronomical Journal. 136 (4): 1502–1509. arXiv:0804.2864Freely accessible. Bibcode:2008AJ....136.1502R. doi:10.1088/0004-6256/136/4/1502. 
  16. "AstDys (136108) Haumea Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2009-03-19. 
  17. "HORIZONS Web-Interface". NASA Jet Propulsion Laboratory Solar System Dynamics. Retrieved 2008-07-02. 
  18. "IAU names fifth dwarf planet Haumea". IAU Press Release. 2008-09-17. Retrieved 2008-09-17.