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20039 (1992 WJ)
Classification: Main-belt Asteroid          SPK-ID: 2020039
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152499840872647 3.5115e-08  
a 2.423687092945565 7.379e-09 au
q 2.054075196946278 8.3816e-08 au
i 2.560752977522113 3.4374e-06 deg
node 26.06835607454287 8.5228e-05 deg
peri 86.47214124047039 8.6271e-05 deg
M 62.48637970891642 1.2529e-05 deg
tp 2458761.280755332591
(2019-Oct-04.78075533)
4.7769e-05 TDB
period 1378.203193743014
3.77
6.294e-06
1.723e-08
d
yr
n .2612096689620117 1.1929e-09 deg/d
Q 2.793298988944852 8.5043e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1900  
   data-arc span      24015 days (65.75 yr)  
   first obs. used      1954-09-06  
   last obs. used      2020-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:05:07  

Additional Information
 Earth MOID = 1.07252 au 
 Jupiter MOID = 2.30786 au 
 T_jup = 3.495 
[ 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 14.6   n/a MPO309311  

20039 (1992 WJ)          Discovered 1992-Nov-16 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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