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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07968983303323507 7.552e-08  
a 2.770726105497433 2.3058e-08 au
q 2.549927404769517 2.1569e-07 au
i 1.793277902766145 5.4654e-06 deg
node 99.17422490544469 0.00024796 deg
peri 290.4246119302342 0.0002521 deg
M 55.99474824910834 3.9527e-05 deg
tp 2459134.480497671868
(2020-Oct-11.98049767)
0.0001864 TDB
period 1684.56906741481
4.61
2.1029e-05
5.757e-08
d
yr
n .213704505777532 2.6677e-09 deg/d
Q 2.991524806225349 2.4896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      9834 days (26.92 yr)  
   first obs. used      1994-01-04  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:31:54  

Additional Information
 Earth MOID = 1.55486 au 
 Jupiter MOID = 2.36481 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 17.05   n/a MPCxxxxx  

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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