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JPL Small-Body Database Browser
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441852 (2009 WC42)
Classification: Main-belt Asteroid          SPK-ID: 2441852
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319011811285023 4.2757e-07  
a 2.241870704143607 2.4181e-07 au
q 1.946165310329678 1.1644e-06 au
i 5.703710299445469 9.9802e-06 deg
node 71.82324492706309 0.00010594 deg
peri 276.1435646795753 0.00011929 deg
M 1.434007669525577 0.00012049 deg
tp 2458595.616139585072
(2019-Apr-22.11613959)
0.00040964 TDB
period 1226.067186904148
3.36
0.00019837
5.431e-07
d
yr
n .2936217556796455 4.7506e-08 deg/d
Q 2.537576097957535 2.7371e-07 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      2075 days (5.68 yr)  
   first obs. used      2009-11-17  
   last obs. used      2015-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59673  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:34:21  

Additional Information
 Earth MOID = .948769 au 
 Jupiter MOID = 2.85608 au 
 T_jup = 3.616 
[ 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 18.3   n/a MPO342903  

441852 (2009 WC42)          Discovered 2009-Nov-17 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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