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53030 (1998 WC7)
Classification: Main-belt Asteroid          SPK-ID: 2053030
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212829674348201 7.778e-08  
a 2.34155056446209 1.5351e-08 AU
q 2.057560363605449 1.8398e-07 AU
i 3.940328324943208 5.3135e-06 deg
node 261.9790273643217 0.00011563 deg
peri 113.0953348715155 0.00011817 deg
M 150.6035449604622 2.7311e-05 deg
tp 2456252.997090376063
(2012-Nov-21.49709038)
9.7225e-05 JED
period 1308.741089171322
3.58
1.287e-05
3.524e-08
d
yr
n .2750735061187293 2.7051e-09 deg/d
Q 2.62554076531873 1.7213e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      5622 days (15.39 yr)  
   first obs. used      1998-11-10  
   last obs. used      2014-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5678  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 08:29:37  

Additional Information
 Earth MOID = 1.06112 AU 
 T_jup = 3.551 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO253699  

53030 (1998 WC7)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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