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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948913893954612 1.5901e-05  
a 43.18194930213532 0.00082319 au
q 34.7661592058378 0.0013426 au
i 28.21353590229374 1.3425e-05 deg
node 122.1627238657392 0.00014522 deg
peri 238.7798845266474 0.0021173 deg
M 217.7719203138217 0.0029558 deg
tp 2499948.683166007810
(2132-Jul-11.18316601)
1.4457 TDB
period 103645.8199554484
283.77
2.9638
0.008114
d
yr
n .003473367282488999 9.9321e-08 deg/d
Q 51.59773939843283 0.00098363 au
  Orbit Determination Parameters
   # obs. used (total)      2279  
   data-arc span      23693 days (64.87 yr)  
   first obs. used      1955-03-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .28766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:39:00  

Additional Information
 Earth MOID = 33.8492 au 
 Jupiter MOID = 30.2038 au 
 T_jup = 5.100 
[ 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 0.2   n/a MPO385591  
rotation period rot_per 3.9154 h n/a LCDB (Rev. 2019-August); 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, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Lockwood, A.C.; Brown, M.E.; Stansberry, J. (2014) Earth, Moon, and Planets 111, 127-37.]
[Clark, M. (2016) Minor Planet Bull. 43, 2-5.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ortiz, J.L.; Santos-Sanz, P.; Sicardy, B.; Benedetti-Rossi, G.; et al. (2017) Nature 550, 219-223.]

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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