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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092397487033295 6.2547e-08  
a 2.341753259539442 1.5967e-08 au
q 1.851765395988207 1.4988e-07 au
i 7.308020637279943 8.1962e-06 deg
node 59.06373969961004 5.4043e-05 deg
peri 91.70936728525315 5.7408e-05 deg
M 2.79133239919966 2.1715e-05 deg
tp 2457390.351095106405
(2016-Jan-02.85109511)
7.8901e-05 JED
period 1308.911028561764
3.58
1.3387e-05
3.665e-08
d
yr
n .2750377925958568 2.813e-09 deg/d
Q 2.831741123090678 1.9308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      13112 days (35.90 yr)  
   first obs. used      1980-01-23  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56662  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:46:05  

Additional Information
 Earth MOID = .879811 au 
 Jupiter MOID = 2.20879 au 
 T_jup = 3.523 
[ 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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