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JPL Small-Body Database Browser
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469571 (2003 WU44)
Classification: Main-belt Asteroid          SPK-ID: 2469571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2979657881182199 8.421e-08  
a 2.777399914101976 1.9794e-08 au
q 1.949829759777104 2.3422e-07 au
i 8.936411562969274 8.7528e-06 deg
node 134.0273438196617 5.8642e-05 deg
peri 307.9422397107369 6.0314e-05 deg
M 106.7227329453742 1.386e-05 deg
tp 2458099.300659578739
(2017-Dec-11.80065958)
6.256e-05 TDB
period 1690.659127367057
4.63
1.8074e-05
4.948e-08
d
yr
n .2129347034967628 2.2764e-09 deg/d
Q 3.604970068426848 2.5692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5636 days (15.43 yr)  
   first obs. used      2003-11-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:02:36  

Additional Information
 Earth MOID = .980233 au 
 Jupiter MOID = 1.71193 au 
 T_jup = 3.251 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO392228  

469571 (2003 WU44)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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