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33145 (1998 DK8)
Classification: Main-belt Asteroid          SPK-ID: 2033145
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06137791928304228 5.9127e-08  
a 2.751500591246999 3.2836e-08 AU
q 2.582619210050197 1.7027e-07 AU
i 3.728959284381738 8.2134e-06 deg
node 216.9448889246358 0.00010772 deg
peri 255.5347947915186 0.00013805 deg
M 285.2290807076009 8.6928e-05 deg
tp 2457346.744642363077
(2015-Nov-20.24464236)
0.00040507 JED
period 1667.066186029615
4.56
2.9842e-05
8.17e-08
d
yr
n .2159482346993059 3.8657e-09 deg/d
Q 2.9203819724438 3.4852e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7485 days (20.49 yr)  
   first obs. used      1994-05-04  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .65459  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:02:06  

Additional Information
 Earth MOID = 1.60231 AU 
 T_jup = 3.340 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO266116  

33145 (1998 DK8)          Discovered 1998-Feb-21 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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