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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2943856483872273 4.3928e-08  
a 2.192627307816097 6.9875e-09 au
q 1.547149296133115 9.7512e-08 au
i 7.018642648543658 4.9462e-06 deg
node 271.2640681941099 3.4774e-05 deg
peri 73.33524980112507 3.8073e-05 deg
M 73.84639748472672 9.4391e-06 deg
tp 2458757.239011208642
(2019-Sep-30.73901121)
3.1197e-05 TDB
period 1185.893407772549
3.25
5.6689e-06
1.552e-08
d
yr
n .303568598695716 1.4511e-09 deg/d
Q 2.838105319499079 9.0446e-09 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5883 days (16.11 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:17:27  

Additional Information
 Earth MOID = .558411 au 
 Jupiter MOID = 2.62718 au 
 T_jup = 3.605 
[ 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 18.0   n/a MPO494954  

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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