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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04142225449690484 4.1309e-06  
a 43.66202403555349 0.00085714 au
q 41.85344456410282 0.00086532 au
i 7.990141796543769 2.0277e-05 deg
node 188.9769020105989 0.00048192 deg
peri 148.9020706711675 0.021615 deg
M 300.4089814430468 0.020688 deg
tp 2476643.955888550219
(2068-Sep-19.45588855)
5.5433 TDB
period 105379.0365049124
288.51
3.1031
0.008496
d
yr
n .003416239243971624 1.006e-07 deg/d
Q 45.47060350700416 0.00089265 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      24401 days (66.81 yr)  
   first obs. used      1954-05-25  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .40567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:23:19  

Additional Information
 Earth MOID = 40.8454 au 
 Jupiter MOID = 36.8776 au 
 T_jup = 5.851 
[ 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 2.51   n/a E2021B10  
rotation period rot_per 8.840 h n/a LCDB (Rev. 2020-October); 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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