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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .27231757706188 1.2386e-07  
a 2.53322907117259 2.1663e-08 AU
q 1.843386268368154 3.1958e-07 AU
i 10.17487903255051 9.8928e-06 deg
node 100.3905773741168 4.4437e-05 deg
peri 341.2502856079671 5.0403e-05 deg
M 106.853222683 2.2908e-05 deg
tp 2456563.385466910083
(2013-Sep-27.88546691)
9.4753e-05 JED
period 1472.685876580545
4.03
1.889e-05
5.172e-08
d
yr
n .2444513156029514 3.1356e-09 deg/d
Q 3.223071873977027 2.7562e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      6927 days (18.97 yr)  
   first obs. used      1995-06-05  
   last obs. used      2014-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5757  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:52:54  

Additional Information
 Earth MOID = .862157 AU 
 T_jup = 3.376 
[ 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 (327)
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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