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447286 (2005 WA2)
Classification: Main-belt Asteroid          SPK-ID: 2447286
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096663538704828 1.2224e-07  
a 3.018136641311345 4.5608e-08 au
q 2.687148600375824 3.7614e-07 au
i 14.68283592302162 1.2551e-05 deg
node 67.58097377887722 3.9348e-05 deg
peri 339.7271990655609 6.8938e-05 deg
M 219.1285268479115 5.3772e-05 deg
tp 2459349.923537626012
(2021-May-15.42353763)
0.0002918 TDB
period 1915.167546051635
5.24
4.3411e-05
1.189e-07
d
yr
n .1879731101031794 4.2608e-09 deg/d
Q 3.349124682246865 5.061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2005-11-05  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58148  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:04:58  

Additional Information
 Earth MOID = 1.70241 au 
 Jupiter MOID = 2.01844 au 
 T_jup = 3.189 
[ 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 16.5   n/a MPO446774  
diameter diameter 3.003 km 0.361 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.049   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

447286 (2005 WA2)          Discovered 2005-Nov-22 by Young, J. W. at Wrightwood
Reference: Last Updated: 2015-10-28

Alternate Designations
 2005 WA2 = 2010 PA53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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