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JPL Small-Body Database Browser
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423602 (2005 WJ31)
Classification: Main-belt Asteroid          SPK-ID: 2423602
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08236918739935455 7.4362e-08  
a 2.704335454900813 3.0471e-08 au
q 2.481581541025369 2.0305e-07 au
i 3.706696827773915 8.161e-06 deg
node 283.7038463457941 0.00014918 deg
peri 151.0993564463518 0.00016148 deg
M 92.38104212839707 6.2076e-05 deg
tp 2458583.659770667316
(2019-Apr-10.15977067)
0.00027799 TDB
period 1624.386119732226
4.45
2.7454e-05
7.516e-08
d
yr
n .2216221842989797 3.7457e-09 deg/d
Q 2.927089368776257 3.2981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      9870 days (27.02 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:06:04  

Additional Information
 Earth MOID = 1.49749 au 
 Jupiter MOID = 2.26623 au 
 T_jup = 3.358 
[ 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 17.3   n/a MPO413486  

423602 (2005 WJ31)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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