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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306903813077878 2.1178e-07  
a 2.759535030610001 1.0793e-07 au
q 2.398890345227382 5.9552e-07 au
i 16.74289519978958 1.2999e-05 deg
node 274.8083895233772 4.9016e-05 deg
peri 13.59926556591629 7.6989e-05 deg
M 331.8988994632151 6.5768e-05 deg
tp 2458731.199258030371
(2019-Sep-04.69925803)
0.00030702 TDB
period 1674.373316067888
4.58
9.8235e-05
2.69e-07
d
yr
n .2150058153371836 1.2614e-08 deg/d
Q 3.12017971599262 1.2204e-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 = 1.38451 au 
 Jupiter MOID = 2.04337 au 
 T_jup = 3.268 
[ 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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