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JPL Small-Body Database Browser
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312931 (2011 WY66)
Classification: Main-belt Asteroid          SPK-ID: 2312931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .3310220008898785 5.2671e-08  
a 2.747960690649845 4.5154e-08 au
q 1.838325244464201 1.5698e-07 au
i 5.558825484977957 7.7386e-06 deg
node 58.20558818880559 8.55e-05 deg
peri 323.3213530087336 8.7355e-05 deg
M 251.6047225225494 2.3232e-05 deg
tp 2459101.481929843954
(2020-Sep-08.98192984)
0.00011802 TDB
period 1663.850113593206
4.56
4.101e-05
1.123e-07
d
yr
n .2163656431903915 5.3329e-09 deg/d
Q 3.657596136835489 6.0101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6017 days (16.47 yr)  
   first obs. used      2002-12-07  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:33  

Additional Information
 Earth MOID = .844558 au 
 Jupiter MOID = 1.8044 au 
 T_jup = 3.259 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO352918  

312931 (2011 WY66)          Discovered 2008-Jan-16 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 WY66 = 2008 BE8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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