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JPL Small-Body Database Browser
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382820 (2003 WB9)
Classification: Mars-crossing Asteroid          SPK-ID: 2382820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2944423919742036 4.4507e-08  
a 2.192811073013186 7.0276e-09 au
q 1.547154535527663 9.8876e-08 au
i 7.018450390927985 5.1619e-06 deg
node 271.2643045725781 3.5088e-05 deg
peri 73.29548532000024 3.8406e-05 deg
M 312.4493857371897 9.6632e-06 deg
tp 2458757.158470124121
(2019-Sep-30.65847012)
3.1766e-05 TDB
period 1186.04249638037
3.25
5.7016e-06
1.561e-08
d
yr
n .3035304393381079 1.4592e-09 deg/d
Q 2.838467610498709 9.0969e-09 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5850 days (16.02 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:38:52  

Additional Information
 Earth MOID = .557515 au 
 Jupiter MOID = 2.6232 au 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO397381  

382820 (2003 WB9)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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