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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07944244505195337 8.3797e-08  
a 2.76990464649655 4.1222e-08 au
q 2.549856648818097 2.528e-07 au
i 1.793303730719011 7.4937e-06 deg
node 99.17377458501416 0.00025423 deg
peri 290.2574944391981 0.00025857 deg
M 331.499198873886 4.6524e-05 deg
tp 2459133.806161123413
(2020-Oct-11.30616112)
0.00021822 TDB
period 1683.819966746736
4.61
3.7588e-05
1.029e-07
d
yr
n .213799578998666 4.7727e-09 deg/d
Q 2.989952644175002 4.4497e-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 = 1.55546 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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