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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2959108406253196 8.4019e-08  
a 2.782396347884289 1.9923e-08 au
q 1.95905510562903 2.3412e-07 au
i 8.944027803187558 8.7598e-06 deg
node 133.9198124495724 5.8456e-05 deg
peri 308.2221650500408 6.0232e-05 deg
M 191.5884333587596 1.4607e-05 deg
tp 2459793.542265633350
(2022-Aug-02.04226563)
7.4281e-05 TDB
period 1695.223322969162
4.64
1.8208e-05
4.985e-08
d
yr
n .2123614010745585 2.2809e-09 deg/d
Q 3.605737590139549 2.5819e-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 = .989358 au 
 Jupiter MOID = 1.7093 au 
 T_jup = 3.250 
[ 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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