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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2720271038004567 1.1444e-07  
a 2.533775977648754 1.9296e-08 au
q 1.844520236769793 2.933e-07 au
i 10.17399631999822 8.152e-06 deg
node 100.3929989139262 3.642e-05 deg
peri 341.2539452147039 3.9462e-05 deg
M 204.6209536822462 1.8781e-05 deg
tp 2458036.329537376730
(2017-Oct-09.82953738)
7.8614e-05 JED
period 1473.162816223751
4.03
1.6828e-05
4.607e-08
d
yr
n .244372173961606 2.7915e-09 deg/d
Q 3.223031718527716 2.4545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   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      .56736  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:51:18  

Additional Information
 Earth MOID = .863074 au 
 Jupiter MOID = 2.04392 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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