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JPL Small-Body Database Browser
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305202 (2007 WC4)
Classification: Main-belt Asteroid          SPK-ID: 2305202
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 .1921238913553956 4.2391e-08  
a 2.595089837679226 2.8771e-08 au
q 2.096511079647451 1.1786e-07 au
i 3.443863794802515 5.4676e-06 deg
node 68.75673781622885 0.00015411 deg
peri 16.09383093353676 0.00015855 deg
M 245.1530566869005 4.0249e-05 deg
tp 2459087.628974680506
(2020-Aug-26.12897468)
0.00017727 TDB
period 1526.957756349619
4.18
2.5394e-05
6.952e-08
d
yr
n .2357629073253633 3.9208e-09 deg/d
Q 3.093668595711002 3.4299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2001-05-23  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:39:02  

Additional Information
 Earth MOID = 1.11286 au 
 Jupiter MOID = 2.13802 au 
 T_jup = 3.389 
[ 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 17.2   n/a MPO460267  

305202 (2007 WC4)          Discovered 2007-Nov-17 by OAM at Costitx
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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