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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2723175939325308 1.1799e-07  
a 2.53322906601014 2.0198e-08 AU
q 1.843386221874306 3.0319e-07 AU
i 10.17488041241243 8.9262e-06 deg
node 100.390588895749 4.0339e-05 deg
peri 341.2502808945193 4.4431e-05 deg
M 106.8532185720113 2.0291e-05 deg
tp 2456563.385485063481
(2013-Sep-27.88548506)
8.315e-05 JED
period 1472.68587207878
4.03
1.7613e-05
4.822e-08
d
yr
n .2444513163501999 2.9236e-09 deg/d
Q 3.223071910145974 2.5699e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      7291 days (19.96 yr)  
   first obs. used      1995-06-05  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57155  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:08:57  

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
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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