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JPL Small-Body Database Browser
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442755 (2012 WR29)
Classification: Main-belt Asteroid          SPK-ID: 2442755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399319134443592 4.7347e-08  
a 2.385871297226184 2.4109e-08 au
q 2.052011761373348 1.1656e-07 au
i 3.851016617547995 5.109e-06 deg
node 74.01086924664119 0.00011748 deg
peri 4.150766011267435 0.00012173 deg
M 263.8496070026784 3.1819e-05 deg
tp 2458960.015408466773
(2020-Apr-20.51540847)
0.00012007 TDB
period 1346.074030624539
3.69
2.0403e-05
5.586e-08
d
yr
n .267444428619554 4.0537e-09 deg/d
Q 2.719730833079018 2.7482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4050 days (11.09 yr)  
   first obs. used      2008-09-26  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52144  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:01:47  

Additional Information
 Earth MOID = 1.06736 au 
 Jupiter MOID = 2.50852 au 
 T_jup = 3.519 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO456097  

442755 (2012 WR29)          Discovered 2008-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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