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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06166688531264491 5.7235e-08  
a 2.752018652025421 2.9245e-08 au
q 2.582310233432709 1.6613e-07 au
i 3.728929864436139 7.9212e-06 deg
node 216.9361666330711 0.00010051 deg
peri 255.6997378397256 0.00012957 deg
M 11.47110861153999 8.1578e-05 deg
tp 2457347.365282311400
(2015-Nov-20.86528231)
0.0003776 JED
period 1667.537028518117
4.57
2.6581e-05
7.277e-08
d
yr
n .2158872599788202 3.4413e-09 deg/d
Q 2.921727070618132 3.1048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1994-05-04  
   last obs. used      2015-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .65272  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:21:40  

Additional Information
 Earth MOID = 1.60191 au 
 Jupiter MOID = 2.15336 au 
 T_jup = 3.339 
[ 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 15.6 mag n/a MPO358936  

33145 (1998 DK8)          Discovered 1998-Feb-21 by BAO Schmidt CCD Asteroid Program at Xinglong
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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