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42606 (1998 DD)
Classification: Main-belt Asteroid          SPK-ID: 2042606
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091596132044461 5.7776e-08  
a 2.341272047293489 1.0759e-08 au
q 1.851572491475201 1.3491e-07 au
i 7.308920494921179 6.3944e-06 deg
node 59.05512312082198 5.1774e-05 deg
peri 91.65785049013411 5.4715e-05 deg
M 57.85537412104524 1.5313e-05 deg
tp 2457390.210565805720
(2016-Jan-02.71056581)
5.5735e-05 JED
period 1308.507592597226
3.58
9.0194e-06
2.469e-08
d
yr
n .2751225915972291 1.8964e-09 deg/d
Q 2.830971603111777 1.3009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      13232 days (36.23 yr)  
   first obs. used      1980-01-23  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53228  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:20:30  

Additional Information
 Earth MOID = .878478 au 
 Jupiter MOID = 2.20929 au 
 T_jup = 3.524 
[ 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 15.0 mag n/a MPO319595  

42606 (1998 DD)          Discovered 1998-Feb-16 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DD = 1980 BN2 = 1986 YK1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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