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174567 Varda (2003 MW12)
Classification: TransNeptunian Object          SPK-ID: 2174567
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439687755580469 1.3136e-05  
a 46.07027487379949 0.00094914 au
q 39.43759381059593 0.0010533 au
i 21.51483201723395 2.8312e-05 deg
node 184.1996077381141 0.00023213 deg
peri 180.4008289217607 0.0062772 deg
M 275.5484777740121 0.0066887 deg
tp 2485994.318633943076
(2094-Apr-26.81863394)
1.3821 TDB
period 114216.7062709411
312.71
3.5296
0.009664
d
yr
n .003151903182587143 9.7403e-08 deg/d
Q 52.70295593700305 0.0010858 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      14767 days (40.43 yr)  
   first obs. used      1980-03-19  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .37373  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:08:46  

Additional Information
 Earth MOID = 38.4344 au 
 Jupiter MOID = 34.4826 au 
 T_jup = 5.592 
[ 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 3.4   n/a MPO454199  
rotation period rot_per 5.91 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:
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]
[Thirouin, A.; Noll, K.S.; Ortiz, J.L.; Morales, N. (2014) Astron. Astrophys. 563, A3.]

174567 Varda           Discovered 2003 June 21 by J. A. Larsen at Kitt Peak.
In J.R.R. Tolkien's mythology, Varda is the queen of the stars, the star-kindler. She is the deity who, prior to the birth of the first humans, created the stars and constellations. She also set the vessels of the Sun and Moon upon their appointed courses above the girdle of the Earth. Ilmarë is Varda's handmaid. Ilmarë: Secondary discovered in 2009 by K. S. Noll et al. using the Hubble Space Telescope.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-01-16Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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