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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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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03474233293930239 1.0459e-05  
a 43.25864948316779 0.0015761 AU
q 41.75574308031899 0.0019362 AU
i 7.988842301629369 4.332e-05 deg
node 188.8345579389557 0.00072164 deg
peri 159.6564935261298 0.046105 deg
M 281.7572934271946 0.044551 deg
tp 2479587.015007222170
11.628 JED
period 103922.0875498969
n .003464133645575108 1.8932e-07 deg/d
Q 44.76155588601658 0.0016308 AU
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      21087 days (57.73 yr)  
   first obs. used      1954-05-25  
   last obs. used      2012-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .43072  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:35:22  

Additional Information
 Earth MOID = 40.7511 AU 
 T_jup = 5.828 
[ 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 mag n/a MPO235046  
rotation period rot_per 17.6788 h n/a LCDB (Rev. 2015-Feb); 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:
[Ortiz, J.L.; Gutierrez, P.J.; Sota, A.; Casanova, V.; Teixeira, V.R. (2003) Astron. Astrophys. 409, L13-L16.]
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]

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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