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JPL Small-Body Database Browser
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442538 (2011 WJ151)
Classification: Main-belt Asteroid          SPK-ID: 2442538
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300089198691028 2.1214e-07  
a 2.757484581707041 1.0775e-07 au
q 2.398986989683603 5.9471e-07 au
i 16.74548139198861 1.3005e-05 deg
node 274.8065151545525 4.9016e-05 deg
peri 13.41772694171076 7.7297e-05 deg
M 58.10843303704258 6.7062e-05 deg
tp 2458730.536699160500
(2019-Sep-04.03669916)
0.00030854 TDB
period 1672.507469617463
4.58
9.8032e-05
2.684e-07
d
yr
n .2152456754541966 1.2616e-08 deg/d
Q 3.115982173730478 1.2176e-07 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6514 days (17.83 yr)  
   first obs. used      2001-08-26  
   last obs. used      2019-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:22  

Additional Information
 Earth MOID = 1.38513 au 
 Jupiter MOID = 2.04832 au 
 T_jup = 3.269 
[ 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 16.0   n/a MPO437721  
diameter diameter 2.573 km 0.628 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442538 (2011 WJ151)          Discovered 2010-Apr-09 by WISE at WISE
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 WJ151 = 2010 GQ52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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