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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07944248167431728 7.5887e-08  
a 2.769904653287626 2.402e-08 au
q 2.549856553629217 2.1724e-07 au
i 1.793304231497085 5.6705e-06 deg
node 99.17380699312753 0.0002514 deg
peri 290.2574875374091 0.00025553 deg
M 331.4991770186527 4.0407e-05 deg
tp 2459133.806263836656
(2020-Oct-11.30626384)
0.0001883 TDB
period 1683.81997293916
4.61
2.1902e-05
5.996e-08
d
yr
n .2137995782123957 2.781e-09 deg/d
Q 2.989952752946034 2.5928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      9790 days (26.80 yr)  
   first obs. used      1994-01-04  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:31  

Additional Information
 Earth MOID = 1.55545 au 
 Jupiter MOID = 2.36632 au 
 T_jup = 3.332 
[ 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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