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50000 Quaoar (2002 LM60)
Classification: TransNeptunian Object          SPK-ID: 2050000
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04105412829491119 5.3015e-06  
a 43.69424520873365 0.0018847 au
q 41.90041606018499 0.0019264 au
i 7.989522720047034 3.9784e-05 deg
node 188.9272587225102 0.00071263 deg
peri 147.4726805915501 0.048587 deg
M 301.1112231974247 0.046429 deg
tp 2476257.481042545322
(2067-Aug-29.98104255)
12.49 TDB
period 105495.7075461726
288.83
6.8258
0.01869
d
yr
n .00341246111688893 2.2079e-07 deg/d
Q 45.48807435728232 0.0019621 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      24073 days (65.91 yr)  
   first obs. used      1954-05-25  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .37934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:58:39  

Additional Information
 Earth MOID = 40.8941 au 
 Jupiter MOID = 36.9213 au 
 T_jup = 5.854 
[ 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 2.4   n/a MPO235046  
rotation period rot_per 8.840 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Rabinowitz, D.L.; Schaefer, B.E.; Tourtellotte, S.W. (2007) Astron. J. 133, 26-43.]

50000 Quaoar           Discovered 2002 June 4 by C. A. Trujillo and M. E. Brown at Palomar.
Quaoar is the great force of creation in the diverse myths of the Tongva, the indigenous people of the Los Angeles basin. Quaoar has no form or gender and dances and sings Weywot, Sky Father, into existence. Together, they create Chehooit, Earth Mother, and the trio bring Tamit, Grandfather Sun, to life.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2010-02-08
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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