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29143 (1988 DK)
Classification: Main-belt Asteroid          SPK-ID: 2029143
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764941156078174 6.2315e-08  
a 3.07751597675551 3.4903e-08 AU
q 2.534352516169118 2.0045e-07 AU
i 9.313391408718603 8.3334e-06 deg
node 217.9799841638524 4.0646e-05 deg
peri 276.5243225808814 4.7218e-05 deg
M .3169094814520864 2.4202e-05 deg
tp 2456998.764072299763
(2014-Dec-07.26407230)
0.00013256 JED
period 1971.963632081794
5.40
3.3547e-05
9.185e-08
d
yr
n .1825591477161014 3.1057e-09 deg/d
Q 3.620679437341903 4.1063e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1988-02-22  
   last obs. used      2014-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52694  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:16:51  

Additional Information
 Earth MOID = 1.56946 AU 
 T_jup = 3.185 
[ 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 13.9 mag n/a MPO247600  

29143 (1988 DK)          Discovered 1988-Feb-22 by McNaught, R. H. at Siding Spring (413)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 DK = 1997 WR37 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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