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441662 (2008 WJ124)
Classification: Main-belt Asteroid          SPK-ID: 2441662
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452155304913203 5.388e-08  
a 2.559303897954281 3.8924e-08 au
q 2.187653224724347 1.5485e-07 au
i 14.43379998441474 1.2131e-05 deg
node 270.4406297701904 2.3327e-05 deg
peri 68.14002786777291 5.333e-05 deg
M 12.63834558452333 4.8297e-05 deg
tp 2458947.998835073700
(2020-Apr-08.49883507)
0.00020022 TDB
period 1495.482082450193
4.09
3.4116e-05
9.34e-08
d
yr
n .2407250506205847 5.4917e-09 deg/d
Q 2.930954571184216 4.4576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5365 days (14.69 yr)  
   first obs. used      2004-12-11  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61281  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:16  

Additional Information
 Earth MOID = 1.22196 au 
 Jupiter MOID = 2.46857 au 
 T_jup = 3.377 
[ 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 16.3   n/a MPO434638  
diameter diameter 3.560 km 0.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441662 (2008 WJ124)          Discovered 2008-Nov-21 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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