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JPL Small-Body Database Browser
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312921 (2011 WF16)
Classification: Main-belt Asteroid          SPK-ID: 2312921
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581236108803852 6.0579e-08  
a 2.181302271259927 1.4758e-08 au
q 1.836386879706722 1.3535e-07 au
i 3.34171144577715 6.4468e-06 deg
node 161.7040223974797 9.6077e-05 deg
peri 96.34287957331209 9.937e-05 deg
M 276.3336670843988 2.962e-05 deg
tp 2458873.976767435825
(2020-Jan-25.47676744)
9.839e-05 TDB
period 1176.717478178593
3.22
1.1942e-05
3.27e-08
d
yr
n .3059357973990779 3.1049e-09 deg/d
Q 2.526217662813131 1.7092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1997-05-31  
   last obs. used      2019-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:29:40  

Additional Information
 Earth MOID = .824682 au 
 Jupiter MOID = 2.52708 au 
 T_jup = 3.662 
[ 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 17.5   n/a MPO427651  

312921 (2011 WF16)          Discovered 2000-Mar-26 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 WF16 = 2006 AQ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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