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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06137792410509856 5.7453e-08  
a 2.751500594183455 3.1726e-08 AU
q 2.582619199538529 1.6751e-07 AU
i 3.728958969885007 8.208e-06 deg
node 216.9449258332082 0.00010195 deg
peri 255.5347600006805 0.00013362 deg
M 285.2290775809444 8.6664e-05 deg
tp 2457346.744657396088
(2015-Nov-20.24465740)
0.00040373 JED
period 1667.066188698305
4.56
2.8833e-05
7.894e-08
d
yr
n .2159482343536094 3.7349e-09 deg/d
Q 2.920381988828381 3.3673e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1994-05-04  
   last obs. used      2014-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64563  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:29:42  

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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