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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401254903912768 4.6548e-08  
a 2.386375066870934 2.3675e-08 au
q 2.051983090368128 1.1537e-07 au
i 3.850871048252655 5.0016e-06 deg
node 74.01192738012115 0.00011461 deg
peri 4.092756289084334 0.00011889 deg
M 10.87369571724811 3.1613e-05 deg
tp 2458959.829345995143
(2020-Apr-20.32934600)
0.00011812 TDB
period 1346.500382434277
3.69
2.0038e-05
5.486e-08
d
yr
n .2673597458243363 3.9787e-09 deg/d
Q 2.720767043373739 2.6993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      4054 days (11.10 yr)  
   first obs. used      2008-09-26  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:11:53  

Additional Information
 Earth MOID = 1.06746 au 
 Jupiter MOID = 2.50701 au 
 T_jup = 3.518 
[ 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 17.6   n/a MPO503572  

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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