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JPL Small-Body Database Browser
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442503 (2011 WK16)
Classification: Main-belt Asteroid          SPK-ID: 2442503
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2644161127515278 9.4697e-08  
a 2.756255957887679 6.4856e-08 au
q 2.02745747175478 2.9961e-07 au
i 13.25085087481053 7.4024e-06 deg
node 82.73802143278351 2.3926e-05 deg
peri 258.9744149750214 2.8013e-05 deg
M 282.780675189529 1.7463e-05 deg
tp 2458959.009975522958
(2020-Apr-19.50997552)
9.1039e-05 TDB
period 1671.389791416095
4.58
5.8992e-05
1.615e-07
d
yr
n .2153896127934274 7.6023e-09 deg/d
Q 3.485054444020578 8.2004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4685 days (12.83 yr)  
   first obs. used      2006-09-27  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:19  

Additional Information
 Earth MOID = 1.06718 au 
 Jupiter MOID = 2.09293 au 
 T_jup = 3.254 
[ 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 17.0   n/a MPO349190  

442503 (2011 WK16)          Discovered 2011-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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