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33139 (1998 DU2)
Classification: Main-belt Asteroid          SPK-ID: 2033139
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2718817941856106 1.1414e-07  
a 2.534119760591012 1.9187e-08 au
q 1.845138733400317 2.9252e-07 au
i 10.17287447113806 8.0358e-06 deg
node 100.39174970 3.5913e-05 deg
peri 341.2371342170669 3.886e-05 deg
M 253.5058801298302 1.8687e-05 deg
tp 2458036.375298629768
(2017-Oct-09.87529863)
7.7767e-05 JED
period 1473.462644679503
4.03
1.6734e-05
4.582e-08
d
yr
n .2443224477389481 2.7748e-09 deg/d
Q 3.223100787781706 2.4403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1995-06-05  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56787  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 21:32:58  

Additional Information
 Earth MOID = .862581 au 
 Jupiter MOID = 2.04236 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO244477  

33139 (1998 DU2)          Discovered 1998-Feb-16 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DU2 = 1995 LH1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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