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JPL Small-Body Database Browser
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312933 (2011 WD80)
Classification: Main-belt Asteroid          SPK-ID: 2312933
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07970104788657767 8.3735e-08  
a 2.772924836628182 4.1794e-08 au
q 2.551919821438199 2.5273e-07 au
i 1.79320635133586 7.4932e-06 deg
node 99.17390856933386 0.00025419 deg
peri 289.4700078030822 0.00025849 deg
M 246.8432721651171 4.5897e-05 deg
tp 2459130.631307882296
(2020-Oct-08.13130788)
0.0002172 TDB
period 1686.57466939225
4.62
3.8131e-05
1.044e-07
d
yr
n .2134503775808067 4.8258e-09 deg/d
Q 2.993929851818165 4.5125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1994-01-04  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72827  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:30:26  

Additional Information
 Earth MOID = 1.55659 au 
 Jupiter MOID = 2.36779 au 
 T_jup = 3.331 
[ 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 16.9   n/a MPO440463  

312933 (2011 WD80)          Discovered 1999-Feb-07 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 WD80 = 1999 CK140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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