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174567 Varda (2003 MW12)
Classification: TransNeptunian Object          SPK-ID: 2174567
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431523167420291 1.315e-05  
a 46.11034897772082 0.00095103 au
q 39.50954569577663 0.0010531 au
i 21.51139626659331 2.8234e-05 deg
node 184.1506966033376 0.00023207 deg
peri 180.0716388138322 0.0063155 deg
M 275.2077549989861 0.0067359 deg
tp 2485937.527755997173
(2094-Mar-01.02775600)
1.392 TDB
period 114365.7653131254
313.12
3.5382
0.009687
d
yr
n .003147795137944869 9.7385e-08 deg/d
Q 52.71115225966501 0.0010872 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 = 38.5078 au 
 Jupiter MOID = 34.5535 au 
 T_jup = 5.595 
[ 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. 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:
[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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