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136108 Haumea (2003 EL61)
Classification: TransNeptunian Object          SPK-ID: 2136108
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912555869492462 1.7381e-05  
a 43.2175943443513 0.00088389 AU
q 34.95198797148797 0.0014616 AU
i 28.19161236124962 2.4709e-05 deg
node 121.7916420778682 0.00019418 deg
peri 240.2005754590794 0.0023126 deg
M 209.0733662250554 0.0034075 deg
tp 2500506.854572330680
1.7797 JED
period 103774.1799064702
n .003469071018672097 1.0642e-07 deg/d
Q 51.48320071721463 0.0010529 AU
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      21976 days (60.17 yr)  
   first obs. used      1955-03-22  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .42178  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 20:54:27  

Additional Information
 Earth MOID = 34.0381 AU 
 T_jup = 5.107 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 0.1 mag n/a MPO268074  
rotation period rot_per 3.9154 h n/a LCDB (Rev. 2015-May); Warner et al., 2009 Published Reference List:
[Rabinowitz, D.L.; Barkume, K.; Brown, M.E.; Roe, H.; et al. (2006) Astrophys. J. 639, 1238-1251.]
[Rabinowitz, D.L.; Schaefer, B.E.; Tourtellotte, S.W. (2007) Astron. J. 133, 26-43.]
[Lellouch, E.; Kiss, C.; Santos-Sanz, P.; Muller, T.G.; et al. (2010) Astron. Astrophys. 518, L147.]
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]
[Behrend, R. (2011) Observatoire de Geneve web site,]
[Lockwood, A.C.; Brown, M.E.; Stansberry, J. (2014) Earth, Moon, and Planets 111, 127-37.]
[Behrend, R. (2014) Observatoire de Geneve web site,]

136108 Haumea           Discovered 2003 Mar. 7 at the Sierra Nevada Observatory.
Haumea is the goddess of childbirth and fertility in Hawaiian mythology. Her many children sprang from different parts of her body. She takes many different forms and has experienced many different rebirths. As the goddess of the earth, she represents the element of stone. The satellites (136108) Haumea I and II were discovered by M. E. Brown, A. H. Bouchez and the Keck Observatory Adaptive Optics teams. Haumea I, discovered 2005 Jan. 26, is named Hi'iaka, who was born from the mouth of Haumea and carried by her sister Pele in egg form from their distant home to Hawaii. Hi'iaka danced the first Hula on the shores of Puna and is the patron goddess of the island of Hawaii and of hula dancers. Haumea II, discovered 2005 Nov. 7, is named Namaka, for a water spirit in Hawaiian mythology. Namaka was born from the body of Haumea and is the sister of Pele. When Pele sends her burning lava into the sea, Namaka cools the lava to become new land.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080917/MPCPages.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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