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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526632553383752 4.1263e-08  
a 2.424146758413161 8.4679e-09 au
q 2.054068622855838 1.0087e-07 au
i 2.560720616489746 3.5822e-06 deg
node 26.07682279774989 9.1975e-05 deg
peri 86.53216216243989 9.2931e-05 deg
M 317.9630030671109 1.2458e-05 deg
tp 2458761.477794142795
(2019-Oct-04.97779414)
4.7839e-05 TDB
period 1378.595287953727
3.77
7.2235e-06
1.978e-08
d
yr
n .2611353768184964 1.3683e-09 deg/d
Q 2.794224893970483 9.7607e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1560  
   data-arc span      23833 days (65.25 yr)  
   first obs. used      1954-09-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:41:14  

Additional Information
 Earth MOID = 1.07277 au 
 Jupiter MOID = 2.30816 au 
 T_jup = 3.494 
[ 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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